Desktop Medium Frequency Physiotherapy Device (Clinical Touch Edition)Product Overview
The SM9121 is a 4-channel desktop medium-frequency electrotherapy device with 3-level heating, designed for professional pain relief, warm therapy and body relaxation. It features 36 treatment modes, 50 intensity levels, a 10.1-inch IPS capacitive touchscreen and adjustable 20–60 minute treatment time, making it suitable for neck, shoulder, waist and general body therapy applications. OEM/ODM customization is available for B2B and professional rehabilitation projects.
| Attribute |
Specification |
| Product Name |
4-Channel Desktop Medium-Frequency Electrotherapy Device with Heating |
| Model No. |
SM9121 |
| Application |
Neck, shoulders, waist and general body therapy |
| Main Function |
Pain relief, medium-frequency stimulation, 3-level heating and body relaxation |
| Channels |
4 Channels |
| Channel Control |
Independent channel control for time, mode, heating and intensity |
| Modes |
36 Modes |
| Intensity Levels |
50 Intensity Levels |
| Timer |
20–60 Minutes Adjustable Timer |
| Control Method |
Capacitive Touchscreen Control |
| Display |
10.1-Inch IPS Touchscreen Display |
| Battery Capacity |
Not applicable, external power adapter powered |
| Charging Port |
Not applicable |
| Charging Time |
Not applicable |
| Pulse Frequency |
Medium Frequency: 2–10kHz ±15%; Envelope Frequency: 0.33–150Hz ±10% |
| Pulse Width |
50–250μs ±15% |
| Load Detection |
Supported, output stops and returns to standby status when no load is detected |
| Customization |
OEM/ODM customization available |
Elevate your pain management and rehabilitation standards with the Desktop Medium Frequency Physiotherapy Device. Designed for both clinical environments and high-end home care, this robust station transcends traditional low-frequency TENS units by utilizing deep-penetrating medium-frequency waves (2KHz - 10KHz). This advanced carrier frequency easily bypasses skin resistance to deliver therapeutic currents directly into deep muscle tissues and joints. Housed in a premium, fireproof matte PC+ABS chassis, this Desktop Medium Frequency Physiotherapy Device serves as a comprehensive, all-in-one rehabilitation center.
At the heart of this state-of-the-art Desktop Medium Frequency Physiotherapy Device is a stunning 10.1-inch True Color IPS capacitive touch screen, completely revolutionizing the user experience. Practitioners and users can effortlessly monitor and manage 4 independent output channels, allowing for the simultaneous treatment of multiple body parts or multiple patients. Combined with an integrated 3-level thermal heating system, 36 specialized therapy modes, and 50 levels of precise intensity, this Desktop Medium Frequency Physiotherapy Device delivers unmatched versatility. Powered by a continuous 90W external adapter, it guarantees sustained, fade-free performance for intensive daily physical therapy.
The Desktop Medium Frequency Physiotherapy Device is designed to meet the increasing demand for professional rehabilitation equipment that combines advanced electrical stimulation technology with intelligent digital control. Compared with traditional portable therapy products, this desktop system provides stronger output capability, wider treatment flexibility, and a more professional operating experience suitable for rehabilitation centers, physiotherapy clinics, hospitals, and premium home healthcare environments.
By utilizing medium-frequency stimulation technology, the device helps overcome the limitations of conventional low-frequency electrical therapy. The higher carrier frequency improves current transmission efficiency and enhances user comfort during treatment sessions. Through advanced waveform modulation and adjustable therapy parameters, healthcare professionals can create more customized rehabilitation programs based on different treatment requirements.
The large touch interface provides a modern and efficient operation experience, allowing practitioners to quickly configure multiple treatment parameters while monitoring several channels simultaneously. The combination of visual control, multi-channel output, thermal assistance, and intelligent safety management makes this system an ideal choice for professional therapy applications where accuracy and reliability are essential.
The integrated heating function further enhances the overall therapy experience by providing additional thermal support during electrical stimulation. Controlled heat output helps prepare target areas before stimulation and improves user comfort throughout the treatment process, making the device suitable for extended rehabilitation sessions.
For medical equipment distributors, rehabilitation solution providers, physiotherapy clinics, and healthcare brands, the Desktop Medium Frequency Physiotherapy Device offers strong commercial value through its professional configuration and scalable customization possibilities. OEM and ODM services are available, including appearance customization, interface optimization, logo branding, packaging solutions, software adjustments, and market-specific configurations.
Combining advanced medium-frequency technology, intelligent touchscreen operation, multi-channel treatment capability, and reliable industrial design, this Desktop Medium Frequency Physiotherapy Device provides a comprehensive rehabilitation solution for modern clinical and professional healthcare applications.
Key Advantages & Features
1. 10.1-Inch True Color IPS Touch Interface
Abandon complex button layouts for intuitive visual control. This premier Desktop Medium Frequency Physiotherapy Device features a massive 10.1-inch G+G capacitive touch screen boasting a 1024x600 resolution and 16.7 million colors. The custom-designed UI provides a highly visual map of all active treatments, allowing users to effortlessly adjust timers, intensities, heating levels, and modes with a simple tap. The high-contrast IPS panel ensures perfect visibility from any angle in a brightly lit clinical setting.
2. 4 Independent Channels with 3-Level Heating
Maximize treatment efficiency. Designed with 4 top-mounted, reversible 4-pin ports, this Desktop Medium Frequency Physiotherapy Device allows users to target up to four distinct muscle groups simultaneously. Furthermore, each channel supports an integrated thermal heating function. Users can toggle between three specific heating levels (Low, Medium, High) to warm the musculature, expand local blood vessels, and significantly boost the efficacy of the medium-frequency electrical stimulation.
3. Deep-Penetrating Medium Frequency & 36 Modes
Experience clinical-grade relief. Unlike standard TENS units, this Desktop Medium Frequency Physiotherapy Device operates on a 2KHz to 10KHz modulated frequency range. This allows the current to penetrate deep tissues with minimal skin stinging. The system is pre-programmed with 36 specialized treatment modes encompassing 9 distinct waveform envelopes (including Sine, Exponential, Trapezoid, and Fan waves). Combined with 50 granular intensity steps, the device provides an infinite array of highly personalized recovery protocols.
4. Smart Load-Detection & 5-Second Soft Start
Patient safety is meticulously engineered into the software. This smart Desktop Medium Frequency Physiotherapy Device features an active load-detection matrix. If an electrode pad loses skin contact, the system immediately pauses the output and flashes a warning. Crucially, when the pad is reconnected, the device initiates a "Soft Start" protocol, taking 5 full seconds to gradually ramp the intensity back to the target level, completely eliminating the risk of sudden, painful electrical shocks. If left unconnected for 5 minutes, the system safely powers down.
5. Fireproof Chassis & Continuous 90W Power
Built for the rigors of continuous use. The chassis of this Desktop Medium Frequency Physiotherapy Device is constructed from heavy-duty, fire-retardant PC+ABS materials finished with a sophisticated matte texture. To support 4 channels of simultaneous medium-frequency output and heat without voltage drops, the unit is powered by a robust 15V / 6.0A (90W) direct-current external adapter, ensuring that the therapeutic waveforms remain stable, crisp, and highly effective throughout the entire session.
Technical Specifications
Parameter Items Official Product Specifications
Product Name Clinical Desktop Medium Frequency Physiotherapy Device
Model Number RL-121B-4B2 (Touch Screen V1.0)
Chassis Dimensions 280mm x 203mm x 75mm
Housing Material Fireproof PC + ABS (Matte Fine Texture)
Display Interface 10.1-inch IPS LCD, G+G Capacitive Touch, 1024x600, 16.7M Colors
Output Configuration 4 Independent Channels (Top-mounted, reversible 4-pin sockets)
Massage Modes 36 Programmed Clinical Modes
Intensity Range 50 Adjustable Levels (Maximum 45V output under 500Ω load)
Heating Performance 3 Adjustable Levels (Low / Medium / High)
Power Supply External Adapter: Input 100~240VAC 50/60Hz; Output 15VDC / 6.0A (90W)
Modulated Frequency 2KHz — 10KHz ± 15% (Deep tissue penetration)
Pulse Width Range 50us — 250us ± 15%
Envelope Frequency 0.33Hz — 150Hz ± 10%
Waveform Envelopes Square, Triangle, Sawtooth, Trapezoid, Exponential, Fan, Sine, Sharp, Pulse
Voltage Steps ≤ 2V variance between adjacent intensity settings (Ultra-smooth adjustment)
Safety Mechanisms 3s No-Load Pause, 5s Smooth Ramp-up upon reconnect, 5-Min Auto-Shutdown
Timer Range 20 — 60 Minutes (Adjustable in 5-minute increments; Defaults to 20 mins)
Special Functions Long-press active state to lock/loop current waveform for 2 minutes
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