Chattanooga Theta 4 Channel TENS & NMES Unit

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Control Your Sessions of Electrotherapy

THETA is a 4 channel stimulator developed to treat both standard (Pain, NMES) and specific protocols in rehabilitation, especially when triggered or co-contractions are requested. Neurology (Spasticity, Hemiplegic foot, Agonist-Antagonist) or specific pathologies like Post ACL Ligamentoplasty are protocols provided by the unit.


Four standard + 4 Full program categories: Rehabilitation I&II, Pain Relief I&II, Vascular, Neurologic Rehabiliation and Conditioning I&II. Full program configuration.

Muscle Intelligence Technology

4 functions on all 4 channels: Mi- Scan, Mi-Tens, Mi-Range, Mi-Action (Active session with a voluntary contraction detected by the device to start the stimulation). 2 Mi-Cables included.


Choose one program for channel 1 and 2, and then select another program from the 2+2 program list for channel 3 and 4. This allows treatment of two different body parts, or two patients simultaneously, or combines NMES and TENS as one treatment.

Trigger Function

Start the stimulation on demand by pressing a trigger button when needed.

Motor Point Pen

This very useful tool in combination with the dedicated program helps to ensure the optimal electrode placement.


Creates and personalizes programs in order to customize the patient-specific parameters.

Detailed Practical Guide

Guidelines, treatment recommendations and technical parameters for all the stimulator programs is provided. The fold out cover includes illustrations of the suggested electrode placements.

Autonomy and Speed Recharge

Daily use autonomy with the charger included in the kit, a full cycle of recharging
will take a maximum of 2.5 hours.


The warranty is for 3 years from the date of purchase.

Package Includes:

  • Fast Charger
  • Battery Pack
  • Set of 4 pin cables
  • Mi-cables x 2
  • Snap adaptor kit
  • Protecting cover
  • User manual and practical guide on CD/USB
  • Quick start guide
  • Electrode placement leaflet
  • Bottle of Gel
  • Motor Point Pen
  • Transport Pouch
  • Belt Clip