iSTIM EV-805: A 4-Channel TENS + EMS Combo Unit

PORTABLE TENS UNITS

iSTIM EV-805 TENS EMS unit with electrode pads

Actual product may vary slightly from image shown.

Best for:

Adults with sore, aching muscles, treating multiple areas at once, TENS + EMS in one unit

Skip if:

You want a wireless or app-controlled unit, or have a pacemaker or implanted device

About the Brand

iSTIM is made by Everyway Medical Instruments, a Taiwan-based medical device company with over two decades of FDA clearances in electrotherapy. Its TENS units offer temporary, drug-free pain relief, using the same technology physical therapists use in professional settings, now available for home use.

Why We Picked It

  • TENS + EMS combo for pain relief and muscle stimulation in one unit
  • 4 channels to treat multiple pain areas at once (up to 8 pads)
  • Japanese gel electrode pads, gentle on sensitive skin
  • Made in Taiwan by a company with over two decades of FDA clearances
  • Popular pick on Amazon, with thousands of customer ratings

Features

  • 5 TENS modes, 3 EMS modes, and 24 preset programs
  • Backlit display, easy to read in any light
  • 24 pads in 3 types included (2″x2″, 2″x4″, 2″x2″ black)
  • Rechargeable via USB

Honest Trade-Offs

  • Wired, so there are cords to manage
  • More settings to learn than simpler 2-channel units
  • No app connectivity

Why You Can Trust It

  • FDA 510(k) cleared, K202317
  • FSA/HSA eligible (check your plan)
  • Free returns on Amazon, 30-day return/replacement window

The Bottom Line

The iSTIM EV-805 combines TENS and EMS in one FDA-cleared unit, with four channels to treat multiple pain areas at once. It’s a strong pick for adults who want temporary, drug-free relief for sore and aching muscles at home. If you’re new to TENS, start on a lower setting and increase slowly.