{"product_id":"richmar-quattro-2-5","title":"Richmar Quattro 2.5 DQ8450 | 4-Channel TENS, EMS, IFC \u0026 Russian Stim","description":"\u003ch2\u003eRichmar® Quattro™ 2.5 Professional 4-Channel Electrotherapy Device\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/www.balego.com\/products\/richmar-quattro-25-electrotherapy-device\"\u003eRichmar Quattro 2.5\u003c\/a\u003e is a professional four-channel electrical-stimulation system for physical therapy clinics, rehabilitation departments, chiropractic offices, sports-medicine practices, athletic-training rooms, and other clinician-directed treatment settings.\u003c\/p\u003e\n\u003cp\u003eFive electrotherapy waveform families are built into one compact tabletop device:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTENS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEMS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRussian stimulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIF-2P premodulated interferential\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIF-4P traditional interferential\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Quattro 2.5 also provides two programmable treatment groups, 50 preset programs, user-defined protocols, professional two-step programming, constant-current and constant-voltage operation, and a large graphical LCD display. This combination gives clinicians considerably more control than a basic portable TENS or two-channel combination stimulator. \u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eSale by or on the order of a physician or licensed practitioner. It is intended for use under the continuing supervision of a qualified professional. \u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003eFor complete setup, parameter, safety, cleaning, error code, and troubleshooting information, read our \u003ca href=\"https:\/\/www.balego.com\/blogs\/device-user-manual-setup-safety-and-specs\/quattro%E2%84%A2-2-5-electrotherapy-stimulator-dq8450-manual-summary-setup-safety-and-specs\"\u003eQuattro 2.5 Manual Summary, Safety, and Specifications\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProfessional microprocessor-controlled electrotherapy system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFour stimulation output channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo independently programmable channel groups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndividual output-intensity control for all four channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTENS, EMS, Russian, IF-2P, and IF-4P waveform families\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSynchronous and asynchronous EMS modes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSynchronous and asynchronous Russian modes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo programmable treatment timers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTen presets per waveform family\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFifty total presets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser-defined protocol storage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfessional mode with two treatment steps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConstant-current and constant-voltage output choices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInterferential vector and frequency-modulation controls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge graphical LCD display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePhysical knobs for direct channel-intensity adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum treatment time of 60 minutes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAC-powered tabletop and therapy-cart design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStarter self-adhesive and reusable rubber electrodes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo-year manufacturer warranty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe device is suitable for tabletop, therapy cart, or mobile use, but the device requires its supplied AC power adapter rather than operating from an internal battery.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eQuick product specifications\u003c\/h1\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eQuattro 2.5 detail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRichmar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDQ8450\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice type\u003c\/td\u003e\n\u003ctd\u003eProfessional clinical electrotherapy system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput channels\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgrammable channel groups\u003c\/td\u003e\n\u003ctd\u003eChannels 1–2 and Channels 3–4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntensity controls\u003c\/td\u003e\n\u003ctd\u003eSeparate control for each channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment timers\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaveform families\u003c\/td\u003e\n\u003ctd\u003eTENS, EMS, Russian, IF-2P, and IF-4P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelectable display modes\u003c\/td\u003e\n\u003ctd\u003eIF-4P, IF-2P, TENS, EMS synchronous, EMS asynchronous, Russian synchronous and Russian asynchronous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePreset programs\u003c\/td\u003e\n\u003ctd\u003e10 per waveform family; 50 total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCustom programming\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfessional mode\u003c\/td\u003e\n\u003ctd\u003eTwo treatment steps within a program\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput regulation\u003c\/td\u003e\n\u003ctd\u003eConstant current or constant voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum treatment time\u003c\/td\u003e\n\u003ctd\u003e60 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-adapter input\u003c\/td\u003e\n\u003ctd\u003e100–240 VAC, 50–60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter output\u003c\/td\u003e\n\u003ctd\u003e15 V, 1.2 A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery operation\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice dimensions\u003c\/td\u003e\n\u003ctd\u003e9.8\" L × 7.3\" W × 3.25\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice protection\u003c\/td\u003e\n\u003ctd\u003eClass II equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eU.S. sale status\u003c\/td\u003e\n\u003ctd\u003ePrescription device\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch1\u003eUnderstanding the four-channel design\u003c\/h1\u003e\n\u003cp\u003eThe Quattro 2.5 has four output channels, but the programming is organized into two treatment groups.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment group\u003c\/th\u003e\n\u003cth\u003eChannels\u003c\/th\u003e\n\u003cth\u003eShared programming\u003c\/th\u003e\n\u003cth\u003eIndividual adjustment\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGroup 1\u003c\/td\u003e\n\u003ctd\u003eChannels 1 and 2\u003c\/td\u003e\n\u003ctd\u003eWaveform, program, timer and treatment parameters\u003c\/td\u003e\n\u003ctd\u003eSeparate intensity for Channels 1 and 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGroup 2\u003c\/td\u003e\n\u003ctd\u003eChannels 3 and 4\u003c\/td\u003e\n\u003ctd\u003eWaveform, program, timer and treatment parameters\u003c\/td\u003e\n\u003ctd\u003eSeparate intensity for Channels 3 and 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThis arrangement allows the clinician to run a different waveform, program, timer, and intensity configuration on Channels 1–2 than on Channels 3–4. This can support two treatment areas or two patients at the same time when clinically appropriate and properly supervised. \u003c\/p\u003e\n\u003cp\u003eIt should not be marketed as four entirely separate programmable systems. The intensities are individually controlled, but waveform and timing selections are shared within each two-channel group.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eElectrotherapy modes explained\u003c\/h1\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMode\u003c\/th\u003e\n\u003cth align=\"right\"\u003eElectrode arrangement\u003c\/th\u003e\n\u003cth\u003eGeneral purpose under professional direction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTENS\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eCommonly 2 or 4 electrodes\u003c\/td\u003e\n\u003ctd\u003eSensory-level stimulation for symptomatic pain relief\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMS synchronous\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eTwo channels contract together\u003c\/td\u003e\n\u003ctd\u003eCoordinated muscle-contraction programs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMS asynchronous\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eChannels alternate\u003c\/td\u003e\n\u003ctd\u003eAlternating muscle or bilateral stimulation programs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRussian synchronous\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eChannels burst together\u003c\/td\u003e\n\u003ctd\u003eMedium-frequency muscle-contraction programs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRussian asynchronous\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eChannels alternate\u003c\/td\u003e\n\u003ctd\u003eAlternating Russian-stimulation programs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIF-2P \/ Premodulated\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2 electrodes\u003c\/td\u003e\n\u003ctd\u003ePremixed interferential-style output for focused or simpler placement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIF-4P \/ Interferential\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4 electrodes\u003c\/td\u003e\n\u003ctd\u003eTraditional crossed-current interferential arrangement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSymptomatic relief of chronic intractable pain and acute post-traumatic or post-surgical pain for TENS and interferential modes. Its EMS and Russian indications include muscle-spasm relaxation, prevention of disuse atrophy, local circulation, muscle re-education, maintaining or increasing range of motion, and immediate postoperative lower-leg stimulation for prevention of venous thrombosis when appropriately ordered and supervised. \u003c\/p\u003e\n\u003cp\u003eFor a broader explanation of sensory and muscle-stimulation modalities, read \u003ca href=\"https:\/\/www.balego.com\/blogs\/which-modalities-to-use\/tens-vs-nmes\"\u003eTENS vs. NMES: Differences, Uses, and Safety\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eIF-2P vs. IF-4P interferential stimulation\u003c\/h1\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eIF-2P \/ Premodulated\u003c\/th\u003e\n\u003cth\u003eIF-4P \/ Traditional IFC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrodes normally used\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent formation\u003c\/td\u003e\n\u003ctd\u003eInterference is produced inside the device\u003c\/td\u003e\n\u003ctd\u003eTwo medium-frequency currents intersect in the tissue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSetup complexity\u003c\/td\u003e\n\u003ctd\u003eSimpler\u003c\/td\u003e\n\u003ctd\u003eMore placement-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment footprint\u003c\/td\u003e\n\u003ctd\u003eOften used for smaller or more focused areas\u003c\/td\u003e\n\u003ctd\u003eOften used for broader crossed-current coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarrier frequency\u003c\/td\u003e\n\u003ctd\u003e4 kHz\u003c\/td\u003e\n\u003ctd\u003e4 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeat-frequency controls\u003c\/td\u003e\n\u003ctd\u003eAdjustable low and high beat settings\u003c\/td\u003e\n\u003ctd\u003eAdjustable low and high beat settings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVector control\u003c\/td\u003e\n\u003ctd\u003eNot required in the same manner\u003c\/td\u003e\n\u003ctd\u003eAutomatic or manual vector settings available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Quattro 2.5 allows a static beat frequency or frequency-modulated sweep. IF-4P additionally includes automatic vector control from 0% to 100% and manual vector adjustment from 0° to 90°.\u003c\/p\u003e\n\u003cp\u003eExplore related products and education in our \u003ca href=\"https:\/\/www.balego.com\/collections\/interferential\"\u003eInterferential Therapy collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eTechnical waveform ranges\u003c\/h1\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWaveform\u003c\/th\u003e\n\u003cth\u003eKey adjustable ranges\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIF-4P\u003c\/td\u003e\n\u003ctd\u003e4 kHz carrier; 1–150 Hz beat-frequency range; vector control; 0–50 mA CC or 0–50 V CV at 1 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIF-2P\u003c\/td\u003e\n\u003ctd\u003e4 kHz carrier; 1–150 Hz beat-frequency range; 0–50 mA CC or 0–50 V CV at 1 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTENS\u003c\/td\u003e\n\u003ctd\u003e1–250 Hz; 30–400 µs phase duration; frequency modulation; burst; amplitude modulation; 0–100 mA CC or 0–100 V CV at 1 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMS\u003c\/td\u003e\n\u003ctd\u003e1–250 Hz; 30–400 µs pulse duration; amplitude and frequency modulation; contraction\/relaxation cycles; ramp controls; 0–100 mA CC or 0–100 V CV at 1 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRussian\u003c\/td\u003e\n\u003ctd\u003e2.5 kHz carrier; 2–100 Hz burst frequency; 10%–50% duty cycle; ramp and cycle controls; 0–50 mA CC or 0–50 V CV at 1 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTreatment time\u003c\/td\u003e\n\u003ctd\u003e1–60 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThese are device capabilities, not recommended patient settings. Treatment parameters must be selected according to the prescription, clinical assessment, waveform, electrode size, placement, patient response, and complete device instructions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eConstant current vs. constant voltage\u003c\/h1\u003e\n\u003cp\u003eThe Quattro 2.5 allows the clinician to select either CC or CV operation.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput mode\u003c\/th\u003e\n\u003cth\u003eHow it behaves\u003c\/th\u003e\n\u003cth\u003ePractical consideration\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstant current\u003c\/td\u003e\n\u003ctd\u003eThe unit adjusts voltage within its capability to maintain the selected current as resistance changes\u003c\/td\u003e\n\u003ctd\u003eCommonly selected when controlled current delivery is important\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstant voltage\u003c\/td\u003e\n\u003ctd\u003eThe unit maintains the selected voltage; delivered current changes as circuit resistance changes\u003c\/td\u003e\n\u003ctd\u003eMay be selected according to the electrode system, waveform and clinical protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eNeither mode is automatically superior for every treatment. The choice should be made by a trained clinician using the manual, electrode instructions, facility protocol, and patient-specific treatment plan.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eWhat comes with the Quattro 2.5?\u003c\/h1\u003e\n\u003cp\u003eRichmar’s manual lists the following starter accessories:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded item\u003c\/th\u003e\n\u003cth align=\"right\"\u003eManual-listed quantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuattro 2.5 DQ8450 device\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\" × 2\" self-adhesive electrodes\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\" × 3.5\" self-adhesive electrodes\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.5\" × 3.5\" rubber electrodes\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.75\" × 4.3\" rubber electrodes\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.75\" × 4\" electrode sponges\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\" × 4.75\" electrode sponges\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\" × 23.5\" elastic straps\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\" × 47\" elastic straps\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead wires\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC power adapter\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable-connector assemblies\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2 in the manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstruction manual\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cblockquote\u003e\n\u003cp\u003eIncludes the Quattro 2.5 device, starter self-adhesive electrodes, rubber electrodes, sponges, elastic straps, lead wires, device connectors, power supply, and instruction manual. Accessory quantities and part numbers are subject to the current Richmar package configuration.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch1\u003eElectrode options and replacement supplies\u003c\/h1\u003e\n\u003cp\u003eThe Quattro 2.5 can be used with compatible self-adhering electrodes or reusable rubber electrodes with properly prepared sponges or approved conductive gel.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessory\u003c\/th\u003e\n\u003cth\u003eBest fit\u003c\/th\u003e\n\u003cth\u003eBalego link\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eReusable self-adhesive electrodes\u003c\/td\u003e\n\u003ctd\u003eRoutine TENS, EMS, Russian and IFC setups\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/tens-electrodes\"\u003eBalego TENS\/NMES\/FES Electrodes\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClinic replacement electrodes\u003c\/td\u003e\n\u003ctd\u003eBulk clinical electrode supply\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/dura-stick-plus-tens-electrodes\"\u003eDURA-STICK PLUS Electrodes\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete electrode selection\u003c\/td\u003e\n\u003ctd\u003eCompare brands, sizes and shapes\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.balego.com\/collections\/electrotherapy-electrodes\"\u003eElectrotherapy Electrodes\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductive gel for compatible rubber electrodes\u003c\/td\u003e\n\u003ctd\u003eLong-duration, salt-free conductive contact\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/spectra-360-electrode-gel\"\u003eSpectra 360 Electrode Gel\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaline conductive gel\u003c\/td\u003e\n\u003ctd\u003eCompatible procedures when the equipment directions specify saline gel\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/signagel-electrode-gel\"\u003eSignaGel Electrode Gel\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eUse self-adhesive electrodes with at least 25 cm² of active surface area and specifically recommends a minimum size of approximately 2\" × 2\". Electrodes should be fully adhered, separated from one another, and selected to fit the anatomy and planned current density. \u003c\/p\u003e\n\u003cp\u003eAdded conductive gel is normally not needed with pre-gelled self-adhesive pads. Gel or properly moistened sponges are used with the reusable rubber-electrode system as directed in the manual.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eQuattro 2.5 vs. other electrotherapy devices\u003c\/h1\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/richmar-quattro-25-electrotherapy-device\"\u003eQuattro 2.5\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/combocare-professional-e-stim-ultrasound-device\"\u003eRichmar ComboCare\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/theratouch%C2%AE-ex4-electrostimulation-therapy\"\u003eTheraTouch EX4\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/4-channel-tens-ems-ifc-russian-stimulator\"\u003eFour Channel Stim DS5402\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/intensity-select-combo-ii\"\u003eInTENSity Select Combo II\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eProfessional tabletop\u003c\/td\u003e\n\u003ctd\u003eProfessional tabletop combination unit\u003c\/td\u003e\n\u003ctd\u003eAdvanced touchscreen clinical unit\u003c\/td\u003e\n\u003ctd\u003ePortable handheld\u003c\/td\u003e\n\u003ctd\u003eRechargeable handheld\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStimulation channels\u003c\/td\u003e\n\u003ctd\u003e4, arranged in two groups\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e4 independent channels\u003c\/td\u003e\n\u003ctd\u003e4 isolated channels\u003c\/td\u003e\n\u003ctd\u003e2 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTENS\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMS\/NMES\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRussian\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePremodulated \/ IF-2P\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eIF mode\u003c\/td\u003e\n\u003ctd\u003eIF mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTraditional IF-4P\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eDevice-specific IF mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltrasound\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003e1 and 3 MHz\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional advanced waveforms\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eHigh volt, microcurrent, RAAS, and others\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eLCD, knobs and parameter buttons\u003c\/td\u003e\n\u003ctd\u003eClinical control panel\u003c\/td\u003e\n\u003ctd\u003eBilingual touchscreen\u003c\/td\u003e\n\u003ctd\u003ePortable button interface\u003c\/td\u003e\n\u003ctd\u003eCompact digital interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePresets\u003c\/td\u003e\n\u003ctd\u003e50 plus custom programs\u003c\/td\u003e\n\u003ctd\u003ePresets and custom control\u003c\/td\u003e\n\u003ctd\u003eClinical protocols plus up to 99 custom protocols\u003c\/td\u003e\n\u003ctd\u003eDevice programs\u003c\/td\u003e\n\u003ctd\u003eBody-part presets and custom programs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eAC adapter\u003c\/td\u003e\n\u003ctd\u003eAC power\u003c\/td\u003e\n\u003ctd\u003eAC power\u003c\/td\u003e\n\u003ctd\u003eAA batteries or AC adapter\u003c\/td\u003e\n\u003ctd\u003eRechargeable battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest fit\u003c\/td\u003e\n\u003ctd\u003eClinics wanting capable four-channel electrotherapy without ultrasound\u003c\/td\u003e\n\u003ctd\u003eClinics wanting e-stim plus therapeutic ultrasound\u003c\/td\u003e\n\u003ctd\u003eClinics wanting a premium touchscreen and broader waveform library\u003c\/td\u003e\n\u003ctd\u003ePortable four-channel use at a lower price\u003c\/td\u003e\n\u003ctd\u003eCompact two-channel clinic-to-home programs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eChoose the Quattro 2.5 when:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFour-channel clinical stimulation is needed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBoth premodulated and traditional four-pole IFC are important.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe clinic wants TENS, EMS, and Russian stimulation in the same system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo treatment groups with separate timers are useful.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFifty presets and custom programming provide enough flexibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUltrasound is not required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA conventional clinical LCD-and-dial interface is preferred.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe clinic wants a lower-cost option than a premium touchscreen system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eAppropriate professional settings\u003c\/h1\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSetting\u003c\/th\u003e\n\u003cth\u003eHow the Quattro 2.5 may fit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical therapy clinic\u003c\/td\u003e\n\u003ctd\u003eConsolidates sensory, motor and interferential waveforms in one system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChiropractic office\u003c\/td\u003e\n\u003ctd\u003eProvides TENS, premodulated and traditional IFC options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRehabilitation department\u003c\/td\u003e\n\u003ctd\u003eSupports repeatable preset and custom treatment workflows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSports medicine practice\u003c\/td\u003e\n\u003ctd\u003eOffers pain-focused and clinician-directed muscle-stimulation programs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAthletic-training room\u003c\/td\u003e\n\u003ctd\u003eFour channels allow broader or bilateral electrode configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTherapy cart\u003c\/td\u003e\n\u003ctd\u003eThe compact AC-powered design can be moved between treatment areas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-provider clinic\u003c\/td\u003e\n\u003ctd\u003eDual channel groups can support two distinct treatment configurations under direct supervision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe device is not a general consumer home TENS unit. Its parameter range, output capability, professional programming, electrode requirements, and clinical warnings make clinician supervision essential.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eBasic setup overview\u003c\/h1\u003e\n\u003cp\u003eThis section should remain concise on the product page, with the complete procedure kept in the manual article.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eInspect the device, cables, lead wires, electrodes, and skin.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect the AC adapter and switch on the device.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect the lead wires through the appropriate Quattro cable connectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlace correctly sized electrodes on clean, dry, intact skin.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelect Channels 1–2 or Channels 3–4.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelect the waveform and preset or custom program.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelect constant-current or constant-voltage operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjust the waveform-specific treatment parameters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSet the treatment time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncrease each channel intensity gradually while monitoring the patient.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduce output to zero and stop the selected channel group before removing electrodes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe device performs an initial self-test and includes load detection that can alarm and reset the intensity if adequate electrode contact is not detected. \u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eImportant safety information\u003c\/h1\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSafety topic\u003c\/th\u003e\n\u003cth\u003eManual-based guidance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrescription status\u003c\/td\u003e\n\u003ctd\u003eUse only under continued supervision of a physician or licensed practitioner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImplanted devices\u003c\/td\u003e\n\u003ctd\u003eDo not use on patients with pacemakers, implanted defibrillators or other implanted electronic or metallic devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUndiagnosed pain\u003c\/td\u003e\n\u003ctd\u003eDo not use for undiagnosed pain syndromes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnterior neck\u003c\/td\u003e\n\u003ctd\u003eDo not apply over the front of the neck\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcross the chest\u003c\/td\u003e\n\u003ctd\u003eDo not place current paths across the chest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead and eyes\u003c\/td\u003e\n\u003ctd\u003eDo not apply across the head, directly over the eyes or inside body cavities\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSkin condition\u003c\/td\u003e\n\u003ctd\u003eUse on normal, clean, dry, intact skin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrombus history\u003c\/td\u003e\n\u003ctd\u003eDo not stimulate over or adjacent to a known thrombus; follow the full manual warning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectronic monitoring\u003c\/td\u003e\n\u003ctd\u003eStimulation may interfere with ECG or other monitoring equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMRI\u003c\/td\u003e\n\u003ctd\u003eRemove the device before MRI exposure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater and sleep\u003c\/td\u003e\n\u003ctd\u003eDo not use while bathing, showering or sleeping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriving or machinery\u003c\/td\u003e\n\u003ctd\u003eDo not use during activities where unexpected contraction or sensation could cause injury\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePatient attendance\u003c\/td\u003e\n\u003ctd\u003ePatients should not be left unattended during treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrode contact\u003c\/td\u003e\n\u003ctd\u003eKeep electrodes separated and fully attached\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch1\u003eFrequently asked questions\u003c\/h1\u003e\n\u003ch2\u003eWhat is the Richmar Quattro 2.5?\u003c\/h2\u003e\n\u003cp\u003eIt is a professional four-channel electrotherapy system offering TENS, EMS, Russian, two-pole premodulated interferential, and four-pole traditional interferential stimulation.\u003c\/p\u003e\n\u003ch2\u003eIs the Quattro 2.5 a prescription device?\u003c\/h2\u003e\n\u003cp\u003eYes. Its sale to or on the order of a physician or licensed practitioner. \u003c\/p\u003e\n\u003ch2\u003eDoes it have four independent channels?\u003c\/h2\u003e\n\u003cp\u003eIt has four separately adjustable output intensities. Programming is organized into two independent groups: Channels 1–2 and Channels 3–4.\u003c\/p\u003e\n\u003ch2\u003eCan it run two different treatments at once?\u003c\/h2\u003e\n\u003cp\u003eYes. The two channel groups can use different waveforms, programs, timers, and intensities. This can support two treatment areas or two patients when appropriately supervised. \u003c\/p\u003e\n\u003ch2\u003eHow many presets are included?\u003c\/h2\u003e\n\u003cp\u003eThe device provides 10 presets for each of five waveform families, for a total of 50 presets, plus professional and user-defined programming. \u003c\/p\u003e\n\u003ch2\u003eDoes it have true four-pole interferential stimulation?\u003c\/h2\u003e\n\u003cp\u003eYes. IF-4P uses four electrodes and a 4 kHz carrier. The device also includes IF-2P premodulated stimulation.\u003c\/p\u003e\n\u003ch2\u003eDoes it include Russian stimulation?\u003c\/h2\u003e\n\u003cp\u003eYes. It provides synchronous and asynchronous Russian modes using a 2.5 kHz carrier and an adjustable burst frequency from 2 to 100 Hz.\u003c\/p\u003e\n\u003ch2\u003eDoes it provide NMES?\u003c\/h2\u003e\n\u003cp\u003eThe device labels its muscle-stimulation waveform as EMS. Its motor-level indications and programmable contraction, relaxation, and ramp functions align with professional neuromuscular electrical-stimulation workflows.\u003c\/p\u003e\n\u003ch2\u003eIs it battery-powered?\u003c\/h2\u003e\n\u003cp\u003eNo. It operates from the included 100–240 VAC power adapter. “Portable” refers to its ability to be carried or moved on a therapy cart, not cordless operation.\u003c\/p\u003e\n\u003ch2\u003eDoes it include ultrasound?\u003c\/h2\u003e\n\u003cp\u003eNo. Clinics needing electrical stimulation plus therapeutic ultrasound should compare the \u003ca href=\"https:\/\/www.balego.com\/products\/combocare-professional-e-stim-ultrasound-device\"\u003eRichmar ComboCare\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat electrodes should be used?\u003c\/h2\u003e\n\u003cp\u003eUse compatible electrodes that satisfy the device manual’s size, connector, and current-density requirements. The manual recommends self-adhesive electrodes with at least 25 cm² of active area.\u003c\/p\u003e\n\u003ch2\u003eCan 1.25-inch or 1.5-inch pads be used?\u003c\/h2\u003e\n\u003cp\u003eThey fall below the manual’s 25 cm² minimum active-area warning and should not be represented as standard replacement pads for this device. Use approximately 2-inch square or larger electrodes unless Richmar or an appropriately qualified clinician directs otherwise.\u003c\/p\u003e\n\u003ch2\u003eCan the included rubber electrodes be used without sponges?\u003c\/h2\u003e\n\u003cp\u003eThe manual allows either properly moistened sponges or an approved conductive transmission gel. The electrodes must be secured using the appropriate straps.\u003c\/p\u003e\n\u003ch2\u003eCan pre-gelled adhesive pads be used with additional gel?\u003c\/h2\u003e\n\u003cp\u003eNormally no. Additional gel may interfere with their adhesion. Separate conductive media are primarily used with compatible non-gelled rubber or carbon electrodes.\u003c\/p\u003e\n\u003ch2\u003eWhat is professional mode?\u003c\/h2\u003e\n\u003cp\u003eProfessional mode allows two programmed treatment steps within one session so selected parameters can change from the first step to the second. (\u003ca href=\"https:\/\/www.balego.com\/blogs\/device-user-manual-setup-safety-and-specs\/quattro%E2%84%A2-2-5-electrotherapy-stimulator-dq8450-manual-summary-setup-safety-and-specs\" title=\"Quattro™ 2.5 Electrotherapy Stimulator… | Balego\"\u003eBalego\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch2\u003eWhat is the maximum treatment time?\u003c\/h2\u003e\n\u003cp\u003eThe timer can be set from 1 to 60 minutes.\u003c\/p\u003e\n\u003ch2\u003eWhat is the warranty?\u003c\/h2\u003e\n\u003cp\u003eA two-year warranty, subject to the warranty terms and exclusions. \u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eAdditional Recommended Resources\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.balego.com\/blogs\/device-user-manual-setup-safety-and-specs\/quattro%E2%84%A2-2-5-electrotherapy-stimulator-dq8450-manual-summary-setup-safety-and-specs\"\u003eQuattro 2.5 Manual Summary, Setup and Safety\u003c\/a\u003e\u003ca href=\"https:\/\/www.balego.com\/collections\/clinical-electrotherapy\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.balego.com\/blogs\/which-modalities-to-use\/tens-vs-nmes\"\u003eTENS vs. NMES Guide\u003c\/a\u003e\u003ca href=\"https:\/\/www.balego.com\/products\/tens-electrodes\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.balego.com\/contact\"\u003eContact Balego\u003c\/a\u003e\u003ccode\u003e\u003c\/code\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Richmar","offers":[{"title":"Default Title","offer_id":47114743447807,"sku":"DQ8450","price":649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0752\/0570\/5983\/files\/Quattro-2-5-Clinical-EMS-TENS-Russian-IF2-IF4-Combo-Device-DQ8450-a_3ba873b1-ec29-4d85-bfde-bc10d5dc381a.jpg?v=1754600416","url":"https:\/\/balego-stores.myshopify.com\/products\/richmar-quattro-2-5","provider":"Balego","version":"1.0","type":"link"}