SKU: 88794660448

InTENSity Twin Stim III – Professional TENS & EMS Combination System

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Description

InTENSity Twin Stim III – Professional TENS & EMS Combination SystemInTENSity Twin Stim III TENS & EMS Combination Unit The InTENSity Twin Stim III is a highly versatile, professional grade electrotherapy device that offers the best of both worlds: TENS for drug free pain management and EMS for muscle conditioning and recovery. This dual channel system allows you to block pain signals while simultaneously stimulating muscle fibers to prevent atrophy or improve local blood circulation, making it an essential tool for

InTENSity Twin Stim III TENS & EMS Combination Unit

The InTENSity™ Twin Stim III is a highly versatile, professional-grade electrotherapy device that offers the best of both worlds: TENS for drug-free pain management and EMS for muscle conditioning and recovery. This dual-channel system allows you to block pain signals while simultaneously stimulating muscle fibers to prevent atrophy or improve local blood circulation, making it an essential tool for post-surgical recovery and chronic pain management.

Deciding between standard TENS and a TENS/EMS combo for your specific rehabilitation needs? Call 866-218-0902 to speak with a clinical equipment specialist.


Quick Summary

  • Two Therapies in One: Switch easily between TENS (Pain Relief) and EMS (Muscle Stimulation) modes.
  • Medical-Grade Power: Delivers a strong 105mA output to ensure therapeutic effectiveness for deep-tissue relief.
  • Fully Adjustable: Customize pulse rate, pulse width, and ramp time to match clinical protocols.
  • Dual Power Options: Use the included AC adapter for unlimited clinic sessions or a 9V battery for mobile therapy.
  • Digital Precision: Large backlit screen and tactile buttons provide clear feedback and easy program selection.

Why Choose the InTENSity Twin Stim III?

The InTENSity™ Twin Stim III is engineered for patients and clinicians who require more than just simple pain suppression. By integrating Electronic Muscle Stimulation (EMS), this unit can be used to "re-train" muscles after an injury or surgery, helping to increase range of motion and reduce muscle spasms. The TENS component utilizes four distinct modes (Burst, Normal, Modulation, and SD1/SD2) to ensure the body does not build a tolerance to the stimulation.

Unlike lower-powered consumer units, the Twin Stim III provides a 105mA output, which is the same intensity level found in many tabletop clinical machines. This ensures that even patients with high resistance or deep-seated chronic pain can achieve the relief they need. The dual-channel design means you can treat two separate muscle groups—such as both quads or the lower back and shoulder—with independent intensity settings for each.

The unit is built for durability and long-term clinical use. It features a protective "flip-down" cover to prevent accidental changes to your settings during treatment and a high-quality digital timer that can be set for up to 60 minutes or continuous use. Whether you are using it at home or in a professional therapy environment, the Twin Stim III delivers consistent, reliable results.


Frequently Asked Questions (FAQ)

What is the difference between TENS and EMS on this unit?

TENS (Transcutaneous Electrical Nerve Stimulation) is used to block pain signals from reaching the brain. EMS (Electronic Muscle Stimulation) is designed to cause muscle contractions to help strengthen muscles, reduce swelling, and improve circulation.

Is it better to use the AC adapter or the battery?

For high-intensity treatments or long-term clinical use, the AC adapter is recommended as it provides a consistent, steady power flow. The 9V battery is ideal for when you need to be mobile or don't have access to an outlet.

Do I need special electrodes for the EMS mode?

The standard high-quality electrodes included with the kit work perfectly for both TENS and EMS. For larger muscle groups (like the hamstrings), using larger 2x3.5" or 3x5" pads can improve the comfort and effectiveness of the EMS contraction.


Key Features

  • 7 Total Modes: 4 TENS modes and 3 EMS modes for comprehensive therapy.
  • Adjustable Ramp Time: Customize how quickly the EMS pulse reaches peak intensity for a more comfortable contraction.
  • Safety Lock: Prevents the user from accidentally bumping the buttons and changing the intensity during use.
  • Comprehensive Kit: Includes hard-shell carrying case, lead wires, electrodes, battery, and AC adapter.

Key Specifications

  • Channels: Dual, isolated
  • Output Current: 0 - 105mA (adjustable)
  • Pulse Rate: 2Hz - 150Hz (Adjustable)
  • Pulse Width: 50µs - 300µs (Adjustable)
  • Waveform: Mono-phasic square or Bi-phasic square pulse

Who is the Twin Stim III Best For?

  • Post-surgical patients needing to prevent muscle atrophy while managing pain.
  • Athletes requiring muscle recovery and localized pain relief after training.
  • Chronic pain sufferers who need more power than a standard OTC TENS unit can provide.
  • Physical therapy clinics looking for a rugged, dual-purpose portable device for patient loaner programs.

Florida Showrooms & Nationwide Delivery

The Medical Department Store is an authorized dealer for InTENSity and Compass Health products. Visit our Florida locations to see the Twin Stim III in action or order online for fast, reliable nationwide shipping.

Call 866-218-0902 for expert assistance today.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88794660448

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Kingfam
Lexington, US
★★★★★ 5
Shockingly, good ball!
Color: Purple, Color: Purple
I have a Doberman. She is a ball and toy destroyer. She is the most obsessive retriever I’ve ever had. Her retrieving urge, and indefatigability, puts my golden retriever to shame. Because of this, we throw the ball all the time. She is primarily an indoor dog and we have to exhaust her energy and so throwing the ball is how this is done. I got these balls in an effort to try to find something that would last longer than a few days. I have now had these 2 balls for six weeks. They are both still alive! It literally blows my mind. When I bought them, we took bets on how long they would last. I gave it a week. I lost my bet. I got the extra large size. It’s perfect for the giant jaw span of a full grown Doberman. It squeaks, which is irritating to us, but what she loves. She can lay there and chew on it and still not destroy it. They’re very heavy ball and bounce, so you have to be careful throwing it in the house cause you could hurt breakables. Whoever said that these feel like they came from the dollar tree must have been talking about something else. They are thick and sturdy balls. UPDATE: it has now been THREE MONTHS and our Doberman STILL has not destroyed these 2 balls. We play with them many times each day. WORTH EVERY PENNY ADDITIONAL UPDATE: it’s now been nine months. Took this photo this morning. We still have the balls and have since ordered two more. She chews on it multiple times every day. There’s a little hole in it now and it doesn’t squeak anymore but it’s 98% intact and still essentially indestructible. These balls are worth gold.
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Reviewed in the United States on March 27, 2023
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Bill_in_Louisiana
Los Angeles, US
★★★★★ 3
The dog loves 'em
Color: Blue
The dog loves the balls, and they're the right size for my German Shepherd. Lost a couple of starts because they're not very durable, the "teeth" are easily broken off, so I am frequently finding "lost teeth" across the house; the squeakers also cannot hold up to my dog's aggressive chewing. I would still buy them again, as like I said, my dog love 'em!
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Reviewed in the United States on February 15, 2026
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Sara
Port Orchard, US
★★★★★ 5
Squeaky Spiky Ball (Submitted by OG, The Conqueror)
Size: 4.5 Set of 4
FIVE OUT OF FIVE PAWS. THIS IS THE GREATEST BALL EVER MADE. My name is OG, and I am a machine built for destruction. For years, I have systematically dismantled every supposed "heavy-duty" toy that dared cross my path. They all fail. They all surrender. But this Spiky Ball? This is my worthy adversary. This is The One. If you have mighty jaws like mine, this isn’t just a toy—it’s a commitment. The Aesthetics & Grip (5/5 Jaws) This ball is bright orange. This is important because it means my Dog-Parent cannot pretend they don't see it when I drop it, covered in drool, directly on their laptop. The spikes are the best part. They are not soft and pointless like some other toys. These spikes dig right into my gums. It's the perfect texture for a serious, focused chew session. Whether I'm running full-speed or we are locked in a heavy-duty Tug-of-War, those spikes give me the grip I need to apply maximum rotational torque. This ball never slips. It demands I bring my A-game. The Squeak: My Personal Battle Horn (5/5 Ears) The volume on this thing is set to LEGENDARY. They say a quiet dog is a happy dog. WRONG. A loud dog is an active, conquering dog. The squeak is sharp, loud, and glorious. It's not a gentle little peep—it's a declaration. When I hear it, I know the hunt is on. More importantly, when I make it squeak, the humans instantly know I require attention, praise, or the immediate launch of the ball across the yard. It is the best attention-getter I own. Durability: Unstoppable Force Meets Immovable Object (5/5 Eternal Glory) This ball is a mystery. It has no discernible weaknesses. I have performed the full Pitbull Destruction Protocol on this Spiky Ball every day for weeks: The Gnaw: Prolonged, focused effort to crack the surface—(Failure. It laughs.) The Shake: Head-whipping force designed to dislocate any internal components—(Failure. The squeak remains.) The Backyard Abandonment: Left in the rain and dirt for maximum entropy—(Failure. Still orange.) Most toys are a snack. This toy is a lifetime project. It truly is built for aggressive chewers, and I respect that. It is the only toy that challenges me. Recommendation If your dog is serious about their job (chewing, fetching, and being loud), you must buy this. It is the only thing that stands up to my power. It’s loud, it’s spiky, and it’s the best. Go buy it now, and tell them OG sent you. OG, currently performing a full-body gnaw and shake, signing off.
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Reviewed in the United States on November 11, 2025
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nolly
Phoenix, US
★★★★★ 5
Excellent product
Size: 4.5 Set of 4
Our service dog Max (named after Max Muncy 3rd baseman for the Dodgers) lives these balls. They are a sturdy product. Just what we needed for our Max.
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Reviewed in the United States on May 26, 2026
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J. Campbell
Lake Worth, US
★★★★★ 5
Best squeaky ball for the buck!!
Size: 4.5 Set of 4
my 90lb Pit, LOVES these balls.. and they have been lasting for months!! The squeaker is ok, those are lasting a week or two.. but that's better than average for my guy. At $4 a ball in the 4 pack, it's a great deal for a dog that loves a new toy every month .. I give him one at a time, the 4 pack lasts for many months of fun.
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Reviewed in the United States on March 4, 2026

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