Amrex MS322 Low Volt AC Muscle Stimulator | Single Channel Skip to content

Amrex MS322 Low Volt AC Muscle Stimulator

4.9 · 128 reviews
$1,450.00
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A recovery specialist can help you compare TENS and EMS units, channels, waveforms and electrodes. Mon–Fri, 9–5 EST.

Amrex MS322

One channel. Built for the treatment room.

The Amrex MS322 is a compact, AC-powered low volt muscle stimulator with a single channel and two pads.

Three knobs cover output mode, pulse or surge rate and intensity, with a 30-minute timer. Use it on its own or run it through an Amrex SynchroSonic U/50 ultrasound transducer for combination therapy.

Simple and dependable.

  • Three output modesPulsation, tetanize and surge.
  • Ramped surgeSmooth on and off transitions in surge mode.
  • Intensity resetIntensity must return to zero before treatment restarts.
  • Combination therapyWorks with the Amrex SynchroSonic U/50.
Amrex MS322 low volt AC muscle stimulator with electrodes, straps, leads and conductive spray

Ready to treat

Everything you need to start.

Ships with Flextrode pads and covers, retention straps, a dual retractable patient lead, conductive spray and a hospital-grade power cord.

Tech specs.

In the box

  • 2 x 4" Flextrode pads
  • 10 x 4" Flextrode cloth covers
  • Dual retractable patient lead (banana to banana)
  • Flextrode conductive spray
  • 22" and 42" retention straps
  • Hospital-grade power cord
Channels
One (two pads)
Waveform
Asymmetrical alternating current
Output modes
Pulsation, tetanize, surge
Output voltage
110 V peak into 1 kOhm; 28 V peak into 100 Ohm
Output intensity
56 µC max per pulse into 100 Ohm
Pulse width
200 µs at 50% V max
Frequency
1-80 pps
Surge duration
0.375 to 3.75 s on/off
Timer
30 minutes
Power
120 VAC, 60 Hz
Dimensions
7.19" W x 7.3" D x 4.69" H
Weight
3 lb
Listing
UL listed
Prescription
Rx only

Questions? Answers.

What is the MS322 used for?

It is a single-channel low volt AC muscle stimulator for clinical use, often paired with Amrex ultrasound for combination therapy. It is not a TENS unit.

Do I need a prescription?

Yes. This is a prescription device. US federal law limits its sale to licensed practitioners or to buyers acting on a practitioner's order.

What warranty does it have?

Amrex covers the generator for 2 years, parts and labor.

Amrex warranty: 2 years on the generator, parts and labor.

Reviews.