Quadstar II (Digital EMS, INF and TENS Unit)



The QuadStar II is a portable four channel digital EMS, INF and TENS units. The unique unit can be programmed to deliver EMS, INF AND TENS therapy.

Only unit which you can use up to 8 electrodes at the same time!

Package Includes
-QuadStar II Unit
-4 Premium Quality Self-Stick Pre-Gelled Reusable Electrodes
-Pair of Lead Wires (Pin Style)
-Standard Battery and AC Wall Adaptor
-Carrying Case and Instruction Manual

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The QuadStar II is a portable four channel digital EMS, INF and TENS units. The unique unit can be programmed to deliver EMS, INF or TENS therapy. The BioMedical Life Systems QuadStar II units are 9 preprogrammed fixed sequences which enable the user to program 20 minutes of INF followed by 20 minutes of EMS therapy and ending with 20 minutes of TENS therapy.  A Programmable Sequence allows the user to customize the therapy and times. A graphic representation of the timing parameters is shown on the screen to assist the user to program the on/off ramps and on/off times. In addition there is a patient lock system when activated prevents the patient from changing any parameters. When the lock is turned off, a patient compliance meter is displayed.


  • Can be Programmed to Deliver EMS, INF or TENS Therapy
  • Dual Channel for Use with 2 or 4 Electrodes
  • 9 Pre-programmed Fixed Sequences, Enabling the User to Program 20 Minutes of INF Followed by 20 Minutes of EMS Therapy and Ending with 20 Minutes of TENS Therapy
  • Programmable Sequence Allows the User to Customize Therapy and Times
  • Locking System when Activated Prevents Changing Any Settings

Technical Specifications

  • Size: 6.30″ x 2.75″ x 1.25″ (Approximately Size of Smartphone)
  • Weight: 11.47 oz (Approximately Weight of Smartphone)
  • Waveform: Symmetric Biphasic, Pulsed Sine and Asymmetrical Biphasic
  • Pulse Rate: TENS: 1-120 Hz, Adjustable; IF: 1-150 Hz, Adjustable; and EMS: 4kHz – 120 Hz, Adjustable
  • Pulse Width: TENS:10-250 250 µs, Adjustable and EMS: 50-400 uS, Adjustable
  • Intensity: TENS: 0-100 mA peak to peak; IF: 0-98 mA peak to peak; and EMS: 0-120 mA Peak to Peak, Continuously Adjustable
  • Timer: Constant, 15, 30 or 60 minutes

Additional Specification Information

Package Includes

  • QuadStar II Four Channel (Digital EMS, INF and TENS) Unit
  • 4 Self-Stick Pre-Gelled Reusable Electrodes
  • Pair of Lead Wires (Pin Style)
  • Standard 4 AA Batteries
  • AC Wall Adaptor
  • Carrying Case
  • Sturdy Belt Clip
  • Built-in Timer to Ensure Compliance
  • Instruction Booklet
  • Limited 3 Year Manufacturer’s Warranty


  • Muscle Atrophy
  • Immediate Relief of Acute or Chronic Pain
  • Pain Relief for Back, Foot, Shoulder, Neck
  • Relaxation of Muscle Spasms
  • Increasing Local Blood Circulation
  • Maintaining or Increasing Range of Motion


  • Review ALL Information Included in the Instruction Booklet
  • Turn Off the Unit Before Applying or Removing Any Electrodes
  • Place 2, 4, 6 or 8 Electrodes Around the Area Where You are Experiencing Pain
  • Adjust the Controls to the Prescribed or Recommended Settings
  • Set the Prescribed or Desired Duration and Intensity of Stimulation

Manufacturer: Biomedical Life Systems Corp.
Warranty: Limited 5-Year Manufacturer

  • This Unit Should Only be Used Under the Recommendation and Continued Supervision of a Physician or Medical Clinician
  • Should NOT be used on Patients with Electrode Implants (Pacemaker or Defibrillator)
  • Caution Should be Used for Patients with Suspected or Diagnosed Heart Problems and Conditions
  • Caution Should be Used for Patients with Suspected or Diagnosed Epilepsy
  • Should NOT be used on Patients with Cancer
  • Should NOT be used on Pregnant or Breastfeeding Women
  • Should NOT be applied over Swollen, Infected, Inflamed Areas or Skin Eruptions
  • Should NOT be Applied over the Carotid Sinus Nerves (Head and Neck Region)
  • Should NOT be used on Patients with a Known Sensitivity to the Carotid Sinus Reflex
  • Should NOT be Applied on the Head, Eyes, Neck, Mouth or Internally
  • Long Term Effects of Chronic Electrical Stimulation are Unknown
  • Keep Out of the Reach of Children or Impaired Adults


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