Professional
Muscle Stimulation at Home
Five proven therapies. Whether you're building strength, managing chronic pain, or bouncing back from a tough training week, the TDR 68-4 Pro adapts to what your body needs, when it needs it. By combining EMS, TENS, Interferential Current (IFC), Microcurrent, and Russian Stimulation in a single portable unit, it delivers the kind of targeted electrotherapy that used to require a physio appointment — now available whenever you need it, wherever you are.
5 Technologies. One Device.
EMS (Electrical Muscle Stimulation)
Triggers deep muscle contractions — the same technique used by professional athletes and physiotherapists to build strength, improve endurance, and condition muscle without added joint stress.
TENS Pain Relief
Drug-free pain relief that actually works. TENS intercepts pain signals before they reach your brain and triggers your body's own endorphin release — so you feel better without reaching for medication.
Russian Stimulation
The same high-frequency protocol trusted in elite sports training. Set at 2,500 Hz, Russian Stimulation produces powerful muscle contractions that penetrate deeper into muscle tissue than standard EMS — pushing beyond what voluntary effort alone can achieve and accelerating strength development at the neuromuscular level.
Interferential Therapy (IFC)
Reaches where surface therapies can't. Two medium-frequency currents cross deep within tissue to deliver targeted relief in joints and large muscle groups — ideal for chronic back, knee, and shoulder pain.
Microcurrent Therapy
Your body's overnight repair crew. Microcurrent works at the cellular level — gently supporting tissue recovery, improving circulation, and stimulating your body's natural healing response. Quiet, effective, and completely comfortable.
Feel Better. Move Better. Perform Better.
Muscle Strength
Build real muscle — without extra sets. EMS recruits more muscle fibers than voluntary contraction alone, making every session more efficient whether you're training hard or rehabbing an injury.
Pain Relief
Ache-free, naturally. TENS blocks pain at the nerve before it ever reaches your brain — no pills, no side effects, just fast, drug-free relief you can use anywhere.
Circulation
Better circulation means faster everything. Stimulated contractions move nutrients into tired muscles and flush waste products out — so you recover sooner and feel better doing it.
Active Recovery
Wake up ready. Active recovery programs reduce soreness and stiffness after hard training or injury, so you can show up stronger the next day.
Twelve Ways to Feel Better.
Most devices hand you a few presets and leave you guessing. The TDR 68-4 Pro gives you 8 professionally optimized programs for guided, one-touch treatment — plus 4 adjustable D.I.Y. programs for experienced users who want complete control. It's the only type of device that works equally well on day one and year three.
8 Pre-Set Programs
Each preset uses clinically optimized stimulation parameters — just select your program and let the device do the work.
P1 – Strength: Restore muscle tone and core strength. Ideal for post-injury rebuilding or getting back in the gym after a break.
P2 – Endurance: Improve muscular stamina for longer, harder training sessions.
P3 – Resistance: Build foundational power and increase your capacity for progressive overload.
P4 – Massage: Pure relaxation after a hard day. Promotes circulation and releases tension in fatigued muscles.
P5 – Conditioning: Prime your muscles before activity for better performance and reduced injury risk.
P6 – Muscle Building: Strong contractions designed for hypertrophy and strength development.
P7 – Active Recovery: Reduce soreness, flush out lactic acid, and bounce back faster after intense training.
P8 – Interferential (IFC): Deep, penetrating relief for joint pain and large muscle groups where surface stimulation isn't enough.
4 Adjustable Manual Programs (D.I.Y.)
Most devices stop at presets. The TDR 68-4 Pro goes further. These four adjustable programs put you in control — dial in the exact frequency, contraction time, and intensity your body requires. Designed for experienced users, rehabilitation professionals, and anyone whose needs go beyond one-size-fits-all.
A9 – Microcurrent: Gentle cellular-level therapy. Adjustable rate (1–5 Hz) for customized tissue recovery and healing support.
A10 – TENS: Custom pain relief on your terms. Adjust frequency from 5–200 Hz (in increments of 10) to find exactly the right level of relief for your condition.
A11 – EMS (STIM): Custom strength training. Fully adjustable rate (80–250 Hz), contraction time (0–150 sec), and relaxation time (0–155 sec) — build your own protocol from the ground up.
A12 – Russian Stimulation: Maximum muscle building power with full control. Adjust contraction and relaxation time to match your training intensity and recovery needs.
Ready to use right out of the box.
Everything you need to start your first session today. No extra purchases, no guesswork.
What's Included
- 1 x TAMTEC TDR 68-4 Pro unit
- 4 x Dual-Pin Connector Lead Wires
- 20 x Self-Adhesive Electrode Pads
- 1 x Rechargeable Battery
- 1 x Wall Charger
- 1 x USB Charger
- 1 x Carrying Case
- 1 x User Manual
electrode placement
Made Simple.
Not sure where to place the pads? We've made it easy. The TDR 68-4 Pro can be used on dozens of muscle groups across your entire body — from your shoulders and back to your abdominals and calves. Use the guide below to find the right placement for your goal, whether that's pain relief, strength training, or recovery. When in doubt, the preset programs are designed to work with standard placements right out of the box.
FAQs
The TDR 68-4 Pro is designed to be easy for beginners to use.Most users start with the 8 preset programs, which automatically apply optimized stimulation settings for common goals like strength, recovery, or pain relief. As you get more comfortable, the 4 adjustable manual programs let you customize frequency, contraction time, and relaxation time for your specific needs.
Basic muscle stimulators typically offer one or two therapy types. The TDR 68-4 Pro combines five — EMS, TENS, Russian Stimulation, Interferential Current (IFC), and Microcurrent — in a single device. This means it can address a much wider range of goals: building strength, managing pain, improving circulation, and accelerating recovery.
Yes. The device is FDA Over-the-Counter cleared and designed for safe home use when used according to the instructions. The programs use controlled electrical stimulation similar to what is used in many rehabilitation and therapy settings.
Yes — the four independent channels let you connect up to 8 electrode pads simultaneously and treat different muscle groups at once. For example, you can work your lower back and legs in the same session.
For muscle building and toning, most users see results with 3–5 sessions per week, 20–30 minutes per session. For pain management and recovery, shorter daily sessions are common. Always follow the program guidelines and allow adequate rest between muscle-building sessions.
The TDR 68-4 Pro is used for muscle strengthening and conditioning, post-workout recovery, chronic and acute pain relief (back pain, knee pain, shoulder pain), circulation improvement, and muscle re-education after injury or inactivity. It is not intended to diagnose or treat medical conditions — consult a healthcare provider if you have a specific medical concern.
EMS (Electrical Muscle Stimulation) targets motor nerves to cause muscle contractions — it's used for strengthening, toning, and training. TENS (Transcutaneous Electrical Nerve Stimulation) targets sensory nerves to interrupt pain signals and promote the release of natural endorphins. The TDR 68-4 Pro does both, plus three additional modalities.
The included self-adhesive electrodes typically last 20–30 uses depending on skin prep and storage. For best adhesion, clean the skin before each session and store pads on their backing after use. Our Pad Prolonger Gel and Replacement pads are available on our website.
Yes. The kit includes the TDR 68-4 Pro unit, 4 lead wires, 12 self-adhesive electrodes, a rechargeable battery, wall charger, USB charger, carrying case, and user manual. Everything is ready to use out of the box.
The TDR 68-4 Pro is covered by a 2-year warranty against manufacturing defects. We offer a 30-day return window (20% restocking fee applied) for unused devices in original packaging. For support or warranty claims, contact us at customerservice@toneamatic.com or call 1.800.565.8663.