Just want to say I received the RX-8000 and I am happy with the unit I am glad you advised me to the upgraded RX-8000.

The Rx-8000 Made a Huge Difference “I love the products and I can definitely tell they are making a big difference in my healing.

I usually don’t do reviews but I have to give all credits to this unit save me a ton of money and time and makes me feel better than ever.. My wife uses it for muscle toning and I use it for my low back pain.

This is probably the best TENS units I've used. It's great for muscle recovery and even toning. I visit a chiropractor occasionally and he always hooks me to a TENS unit for 15 minutes after an adjustment.