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  • Twin Stim Plus TENS Machine and EMS Muscle Stimulator - 4 Channel TENS Unit for Pain Relief with 48 Pack Of Electrodes
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Twin Stim Plus TENS Machine and EMS Muscle Stimulator - 4 Channel TENS Unit for Pain Relief with 48 Pack Of Electrodes

4.6 out of 5 stars 29 ratings

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Purchase options and add-ons

  • Quad-Channel Pain Relief: The Roscoe Medical 4 Channel EMS and TENS Unit Muscle Stimulator offers four channels for precise pain relief. Whether you're targeting back pain, muscle tension, or knee discomfort, this device provides comprehensive coverage
  • Complete Pain Management Kit: With the included 48-pack of electrodes, you'll have an extensive supply for multiple therapy sessions. Say goodbye to the inconvenience of running out of electrodes
  • Trusted by Professionals: This TENS unit muscle stimulator is a preferred choice among healthcare professionals for its effectiveness in addressing a variety of issues, from carpal tunnel relief to muscle pain relief
  • Dual Therapy, Double Benefits: Experience the combined benefits of EMS muscle stimulation and TENS therapy in one device. Achieve muscle relaxation and targeted pain relief with ease
  • On-the-Go Pain Relief: This portable tens unit allows you to take your pain relief wherever you go. Whether you're an athlete seeking muscle massager therapy or someone in need of neck pain relief, this device is your go-to solution

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This item: Twin Stim Plus TENS Machine and EMS Muscle Stimulator - 4 Channel TENS Unit for Pain Relief with 48 Pack Of Electrodes
$134.99($134.99/count)
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Product Description

tens unit, tens unit muscle stimulator, medical grade tens unit, tens machine for pain relief
tens unit, tens unit muscle stimulator, medical grade tens unit, tens machine for pain relief
tens unit, tens unit muscle stimulator, medical grade tens unit, tens machine for pain relief
tens unit, tens unit muscle stimulator, medical grade tens unit, tens machine for pain relief

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4.4 out of 5 stars 268
4.5 out of 5 stars 103,193
4.7 out of 5 stars 7,468
4.6 out of 5 stars 3,985
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Compatible with most TENS
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Product information

Technical Details

Manufacturer ‎Compass Health Brands
Item model number ‎AMZK004CA
Parcel Dimensions ‎26.3 x 26.2 x 17.1 cm; 1.31 kg
ASIN ‎B0DZY4JSJ6

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Twin Stim Plus TENS Machine and EMS Muscle Stimulator - 4 Channel TENS Unit for Pain Relief with 48 Pack Of Electrodes


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Product details

  • Parcel Dimensions ‏ : ‎ 26.3 x 26.2 x 17.1 cm; 1.31 kg
  • Date First Available ‏ : ‎ April 3 2025
  • Manufacturer ‏ : ‎ Compass Health Brands
  • ASIN ‏ : ‎ B0DZY4JSJ6
  • Item model number ‏ : ‎ AMZK004CA
  • 鶹 Rank: #17,343 in Health & Personal Care (See Top 100 in Health & Personal Care)
  • Customer Reviews:
    4.6 out of 5 stars 29 ratings

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Customer reviews

4.6 out of 5 stars
29 global ratings

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Experiments with pad placements and settings can relax muscles and sooth compressed nerves
5 out of 5 stars
Experiments with pad placements and settings can relax muscles and sooth compressed nerves
The TENS controller in this kit looks like a Walkman when worn on my belt. The integrated metal clip can also hang directly on the waist of pants. With up to four wires coming out, the gadget appears ready for a headphone party. In fact, each wire runs to two electrodes and self-adhesive pads. All together, the controller can drive up to eight pads: two is the minimum. The pads are reusable at least a few times since they should be applied to dry skin free of creams and oils. The controller can run on four AA batteries (included). Use the provided wall adapter instead if you do not need to move around. A compact hard storage case holds all the hardware and has room for self-adhesive pads as well. The device can operate in a few TENS modes to relax muscles as the manual describes it. EMS modes can recondition or exercise muscles, after injury or for strength improvement respectively. The Burst pattern offers the strongest stimulation by far as a TENS mode. My forearm and hand were basically jumping off my lap until I dialed down the effective power on the two pads I was using. Other TENS patterns (Normal, Modulation, SD1, SD2) were more gentle at the same power, with either steady or gradually changing wave patterns. I have yet to try a session in EMS, which provides wave patterns called Synchronous and Alternate. See my attached photo for the waveforms. The four channels on the controller are independent of each other in terms of effective power, which is measured from 1 to 100; 0 is off. I believe the technical adjustment is current amplitude (while voltage is more or less constant). Adjusting from low to high provides a gradual ramp in muscle stimulation. The Set button on the controller allows you to customize pulse width and pulse frequency. A high value for width makes muscles stay contracted for a longer time, which feels uncomfortable if effective power is high. A high frequency decreases the amount of time between pulses, which makes the therapy feel faster. Low values for width and frequency make the whole experience gentle or imperceptible. Thus slowly increasing power or evaluating different modes is advisable. My wife found leaning forward during a session increased the strength of stimulation from pads on her upper back. I believe her change in posture caused nerves and muscles to align differently under the skin (under the pads). When I had pads on the left and right of my lower back, I noticed the TENS sensations were not the same on both sides. I gathered that very small changes in pad placement (or muscle movements under the skin) yield significant shifts in electrical transmission to nerves. From what I have read, a doctor, especially an acupuncturist familiar with nerves, is best able to place electrodes for optimal therapy. For the rest of us, careful trial and error plus small incremental power adjustments suffice. Unlike a massage, a TENS treatment does not feel luxurious or relaxing while in progress. At the same time, it should not be painful or excessively jolting, which is why the effective power can be controlled. The lightest treatment that I can sense gives the impression of water dripping on my skin. Stronger treatment feels like tapping. The highest settings in Burst mode cause involuntary large movements, which is undesirable but not painful. In general, the TENS experience is a bit weird, but my wife and I just watch TV during evening sessions. I was surprised my somewhat sore lower back felt improved in localized spots in the morning after 30 minutes of TENS with four pads. I think using all eight possible pads on the back for 60 minutes would be most advantageous for me. My hand with a carpal tunnel issue (worsened by a surgical scar in the palm on top of the nerve) was another test case for this TENS machine. Hard massages by hand, manual tools, or vibrating machines help the aggravated nerve work better for just minutes afterwards. However, 30 minutes of TENS on my palm and forearm produced mild soothing for my hand that lasted at least 8 hours. Of course, the improvement was small, but I noticed and welcomed it. I hope experiments with treatment duration and pad placement can achieve a better effect. This kit works. Not everyone will feel an immediate benefit, but trying different placements, durations, and settings has helped me. I will definitely keep using this product to get more out of it.
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Top reviews from Canada

  • Reviewed in Canada on May 12, 2025
    Verified Purchase
    Works well so far
  • Reviewed in Canada on April 24, 2025
    鶹 Vine Customer Review of Free Product( What's this? )
    The TENS controller in this kit looks like a Walkman when worn on my belt. The integrated metal clip can also hang directly on the waist of pants. With up to four wires coming out, the gadget appears ready for a headphone party. In fact, each wire runs to two electrodes and self-adhesive pads. All together, the controller can drive up to eight pads: two is the minimum.

    The pads are reusable at least a few times since they should be applied to dry skin free of creams and oils. The controller can run on four AA batteries (included). Use the provided wall adapter instead if you do not need to move around. A compact hard storage case holds all the hardware and has room for self-adhesive pads as well.

    The device can operate in a few TENS modes to relax muscles as the manual describes it. EMS modes can recondition or exercise muscles, after injury or for strength improvement respectively. The Burst pattern offers the strongest stimulation by far as a TENS mode. My forearm and hand were basically jumping off my lap until I dialed down the effective power on the two pads I was using. Other TENS patterns (Normal, Modulation, SD1, SD2) were more gentle at the same power, with either steady or gradually changing wave patterns. I have yet to try a session in EMS, which provides wave patterns called Synchronous and Alternate. See my attached photo for the waveforms.

    The four channels on the controller are independent of each other in terms of effective power, which is measured from 1 to 100; 0 is off. I believe the technical adjustment is current amplitude (while voltage is more or less constant). Adjusting from low to high provides a gradual ramp in muscle stimulation.

    The Set button on the controller allows you to customize pulse width and pulse frequency. A high value for width makes muscles stay contracted for a longer time, which feels uncomfortable if effective power is high. A high frequency decreases the amount of time between pulses, which makes the therapy feel faster. Low values for width and frequency make the whole experience gentle or imperceptible. Thus slowly increasing power or evaluating different modes is advisable.

    My wife found leaning forward during a session increased the strength of stimulation from pads on her upper back. I believe her change in posture caused nerves and muscles to align differently under the skin (under the pads). When I had pads on the left and right of my lower back, I noticed the TENS sensations were not the same on both sides. I gathered that very small changes in pad placement (or muscle movements under the skin) yield significant shifts in electrical transmission to nerves. From what I have read, a doctor, especially an acupuncturist familiar with nerves, is best able to place electrodes for optimal therapy. For the rest of us, careful trial and error plus small incremental power adjustments suffice.

    Unlike a massage, a TENS treatment does not feel luxurious or relaxing while in progress. At the same time, it should not be painful or excessively jolting, which is why the effective power can be controlled. The lightest treatment that I can sense gives the impression of water dripping on my skin. Stronger treatment feels like tapping. The highest settings in Burst mode cause involuntary large movements, which is undesirable but not painful. In general, the TENS experience is a bit weird, but my wife and I just watch TV during evening sessions.

    I was surprised my somewhat sore lower back felt improved in localized spots in the morning after 30 minutes of TENS with four pads. I think using all eight possible pads on the back for 60 minutes would be most advantageous for me.

    My hand with a carpal tunnel issue (worsened by a surgical scar in the palm on top of the nerve) was another test case for this TENS machine. Hard massages by hand, manual tools, or vibrating machines help the aggravated nerve work better for just minutes afterwards. However, 30 minutes of TENS on my palm and forearm produced mild soothing for my hand that lasted at least 8 hours. Of course, the improvement was small, but I noticed and welcomed it. I hope experiments with treatment duration and pad placement can achieve a better effect.

    This kit works. Not everyone will feel an immediate benefit, but trying different placements, durations, and settings has helped me. I will definitely keep using this product to get more out of it.
    Customer image
    5.0 out of 5 stars
    Experiments with pad placements and settings can relax muscles and sooth compressed nerves

    Reviewed in Canada on April 24, 2025
    The TENS controller in this kit looks like a Walkman when worn on my belt. The integrated metal clip can also hang directly on the waist of pants. With up to four wires coming out, the gadget appears ready for a headphone party. In fact, each wire runs to two electrodes and self-adhesive pads. All together, the controller can drive up to eight pads: two is the minimum.

    The pads are reusable at least a few times since they should be applied to dry skin free of creams and oils. The controller can run on four AA batteries (included). Use the provided wall adapter instead if you do not need to move around. A compact hard storage case holds all the hardware and has room for self-adhesive pads as well.

    The device can operate in a few TENS modes to relax muscles as the manual describes it. EMS modes can recondition or exercise muscles, after injury or for strength improvement respectively. The Burst pattern offers the strongest stimulation by far as a TENS mode. My forearm and hand were basically jumping off my lap until I dialed down the effective power on the two pads I was using. Other TENS patterns (Normal, Modulation, SD1, SD2) were more gentle at the same power, with either steady or gradually changing wave patterns. I have yet to try a session in EMS, which provides wave patterns called Synchronous and Alternate. See my attached photo for the waveforms.

    The four channels on the controller are independent of each other in terms of effective power, which is measured from 1 to 100; 0 is off. I believe the technical adjustment is current amplitude (while voltage is more or less constant). Adjusting from low to high provides a gradual ramp in muscle stimulation.

    The Set button on the controller allows you to customize pulse width and pulse frequency. A high value for width makes muscles stay contracted for a longer time, which feels uncomfortable if effective power is high. A high frequency decreases the amount of time between pulses, which makes the therapy feel faster. Low values for width and frequency make the whole experience gentle or imperceptible. Thus slowly increasing power or evaluating different modes is advisable.

    My wife found leaning forward during a session increased the strength of stimulation from pads on her upper back. I believe her change in posture caused nerves and muscles to align differently under the skin (under the pads). When I had pads on the left and right of my lower back, I noticed the TENS sensations were not the same on both sides. I gathered that very small changes in pad placement (or muscle movements under the skin) yield significant shifts in electrical transmission to nerves. From what I have read, a doctor, especially an acupuncturist familiar with nerves, is best able to place electrodes for optimal therapy. For the rest of us, careful trial and error plus small incremental power adjustments suffice.

    Unlike a massage, a TENS treatment does not feel luxurious or relaxing while in progress. At the same time, it should not be painful or excessively jolting, which is why the effective power can be controlled. The lightest treatment that I can sense gives the impression of water dripping on my skin. Stronger treatment feels like tapping. The highest settings in Burst mode cause involuntary large movements, which is undesirable but not painful. In general, the TENS experience is a bit weird, but my wife and I just watch TV during evening sessions.

    I was surprised my somewhat sore lower back felt improved in localized spots in the morning after 30 minutes of TENS with four pads. I think using all eight possible pads on the back for 60 minutes would be most advantageous for me.

    My hand with a carpal tunnel issue (worsened by a surgical scar in the palm on top of the nerve) was another test case for this TENS machine. Hard massages by hand, manual tools, or vibrating machines help the aggravated nerve work better for just minutes afterwards. However, 30 minutes of TENS on my palm and forearm produced mild soothing for my hand that lasted at least 8 hours. Of course, the improvement was small, but I noticed and welcomed it. I hope experiments with treatment duration and pad placement can achieve a better effect.

    This kit works. Not everyone will feel an immediate benefit, but trying different placements, durations, and settings has helped me. I will definitely keep using this product to get more out of it.
    Images in this review
    Customer image
  • Reviewed in Canada on July 18, 2025
    鶹 Vine Customer Review of Free Product( What's this? )
    "Twin Stim Plus TENS Machine and EMS Muscle Stimulator - 4 Channel TENS Unit for Pain Relief with 48 Pack Of Electrodes."

    - Tens machine and Muscle Stimulator. (Battery operated or Power adapter.) (Display does not light up.)
    - Comes with four AA Batteries and a power supply. (Batteries are NOT rechargeable and power supply is an optional power source only.)
    - Comes in a hard plastic case with sponge padding. (Separate compartments for Unit, Electrodes and Power supply.)
    - Comes with four dual electrodes cables.
    - Comes with two packages of four electrode patches in each. (These are found inside the case.)
    - Comes with additional twelve packages of four electrode patches in each. (These are bundled separately from the case.)
    - Comes with a manual for instructions. (Information pertains mostly to the device and how to operate it. There is little to no information regarding the application of use and where to apply electrode patches. There are two separate mode states; TENS and EMS. Each has different settings.)

    While this may seem like a handy device to have around, I feel that it requires a certain amount of background knowledge to know the settings to use, or any cautions that may be needed to take. The manual does advise you to consult a physician for this information. It also warns not to use this device on the head as there isn't any knowledge regarding affects. I was unable to demonstrate this device successfully, as I have not had any pain to treat and the information of application was not available to me. While I did feel some sensations when using it there was no noticeable affects for me. There really needs to be more information such as training videos accompany this product. I do still give this product a 4/5 as it does have considerable content value and potential for usefulness.
    Customer image
    4.0 out of 5 stars
    Non illuminated display. Runs on 4 AA batteries. Total 56 Electrode patches inc. 4 Chanel.

    Reviewed in Canada on July 18, 2025
    "Twin Stim Plus TENS Machine and EMS Muscle Stimulator - 4 Channel TENS Unit for Pain Relief with 48 Pack Of Electrodes."

    - Tens machine and Muscle Stimulator. (Battery operated or Power adapter.) (Display does not light up.)
    - Comes with four AA Batteries and a power supply. (Batteries are NOT rechargeable and power supply is an optional power source only.)
    - Comes in a hard plastic case with sponge padding. (Separate compartments for Unit, Electrodes and Power supply.)
    - Comes with four dual electrodes cables.
    - Comes with two packages of four electrode patches in each. (These are found inside the case.)
    - Comes with additional twelve packages of four electrode patches in each. (These are bundled separately from the case.)
    - Comes with a manual for instructions. (Information pertains mostly to the device and how to operate it. There is little to no information regarding the application of use and where to apply electrode patches. There are two separate mode states; TENS and EMS. Each has different settings.)

    While this may seem like a handy device to have around, I feel that it requires a certain amount of background knowledge to know the settings to use, or any cautions that may be needed to take. The manual does advise you to consult a physician for this information. It also warns not to use this device on the head as there isn't any knowledge regarding affects. I was unable to demonstrate this device successfully, as I have not had any pain to treat and the information of application was not available to me. While I did feel some sensations when using it there was no noticeable affects for me. There really needs to be more information such as training videos accompany this product. I do still give this product a 4/5 as it does have considerable content value and potential for usefulness.
    Images in this review
    Customer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer imageCustomer image
  • Reviewed in Canada on July 13, 2025
    鶹 Vine Customer Review of Free Product( What's this? )
    This TENS machine is like a professional model but with the convivence of easy home use.
    Everything works that is included; a manual is provided for full operation information.
    Included:
    - Machine with batteries
    - User manual
    - 4 lead wires
    - Rugged carry case
    - Pack of 48 reusable pads with different sizes

    The user manual is fairly friendly, provides instructions on placement and different modes.
    The reusable pads are reusable, however only 3 or 4 times they they no longer stick well.
    All items pack away nicely into the carry case.
    Everything is small and lightweight.

    Overall, if you want the features of a TENS machine at home, this is it!

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