What is the difference between TENS and EMS modes?

TENS mode is for pain relief, with four modes. EMS mode is for muscle stimulation, with three modes. The device switches between the two.

Can I use both channels at the same time?

Yes. CH1 and CH2 are controlled independently, so you can run two lead wire sets and electrode placements at once.

It runs on the included 9-volt battery or the included AC adaptor.

What comes in the box?

A carrying case, two sets of lead wires, a 9-volt battery, an AC adaptor, an instruction manual and a pack of four self-adhesive reusable electrodes.

Does it need assembly?

Yes, basic assembly is required before first use.

Is it a replacement for medical treatment?

No. It is a home electrotherapy device for pain relief and muscle stimulation; check with a clinician if you have a medical condition or implanted device.

Where is the InTENSity Twin Stim III TENS and EMS cheapest?

At Pro Healthcare Products, for $47.90, 26% under what the other stores charge, as of our latest check.

Where can I buy the InTENSity Twin Stim III TENS and EMS?

7 stores we checked sell it, including 4MD Medical, Pro Healthcare Products, the medcom group, MFI Medical, SourceOrtho.com.

InTENSity Twin Stim III TENS and EMS Price History: $47.90

Q: What do buyers say about the InTENSity Twin Stim III TENS and EMS?

Rated 4.5 out of 5 from 301 ratings.

What reviewers say

4.5 / 5301 ratings

Rated 4.5 out of 5 from 301 ratings, owners generally find the Twin Stim III effective and easy to use for both pain relief and muscle stimulation. The dual TENS/EMS function and two channels are the most cited strengths.

What people mention

Dual functionPraisedOwners like having TENS and EMS in one device instead of two separate units.
ChannelsPraisedTwo independently controlled channels let users treat two areas at once.
Ease of usePraisedThe digital display and controls are described as clear and simple to operate.
SetupMixedSome owners say basic assembly and learning the modes takes a little effort.
ElectrodesCriticisedThe included reusable pads wear out and need replacing over time.

From MFI Medical

Combines TENS therapy for pain relief and EMS therapy for muscle stimulation in one digital device
TENS mode offers four modes; EMS mode offers three modes
Clear digital display shows mode, remaining treatment time and intensity in mA
Independent control over two channels (CH1 and CH2)
Powered by included 9-volt battery or AC adaptor
Basic assembly required

Guarantee: 1 year warranty provided directly by the manufacturer; MFI Medical assists with warranty claims.
Returns: Free 30-day returns.
Shipping: Free standard shipping to the contiguous U.S. on eligible orders; other destinations and upgraded services cost extra.
In the box: Carrying case, Two sets of lead wires, 9-volt battery, AC adaptor, Instruction manual, Pack of four self-adhesive reusable electrodes

About the InTENSity Twin Stim III TENS and EMS

The InTENSity Twin Stim III combines TENS therapy for pain relief and EMS therapy for muscle stimulation in one digital device. In TENS mode it offers four modes. In EMS mode it offers three modes.

A digital display shows the mode, the remaining treatment time and the intensity in mA. The two channels, CH1 and CH2, are controlled independently. The unit runs on the included 9-volt battery or an AC adaptor. Basic assembly is required.

Therapy types: TENS and EMS
TENS modes: 4
EMS modes: 3
Channels: 2, independently controlled (CH1 and CH2)
Display: Digital; shows mode, remaining time and intensity in mA
Power: 9-volt battery or AC adaptor
Assembly: Basic assembly required
In the box: Carrying case, two sets of lead wires, 9-volt battery, AC adaptor, instruction manual, pack of four self-adhesive reusable electrodes