Best RSI Kit with Y Electrode Probe



The BEST-RSI™ device offers stronger, output microcurrent, electro-stimulation for deeper penetrating, faster, longer lasting pain relief for more serious acute or chronic conditions.

All Natural, Drug Free, Non-Invasive Microcurrent

Prescription Required. Prescription required if you are not a health practitioner.  Device will not ship in the US until prescription is received.


Kit includes:

1 AP-RSI – BEST-RSI Device

1 AA-CL – BEST zipper carry case

1 AA-LW4pin-250 – lead wires

1 AA-V175-8 – Y electrode with 8 inch handle

1 AA-LW4pin-RB – lead wires

1 AA-CP2x2 – 2×2 self-adhesive conductive electrode pads


The Avazzia BEST-RSI device has 4 modes, uses 2 AA 1.5V batteries, and has an accessory port for attaching lead wires and pads or electrode accessories.

The four modes are:


Deep Stimulate

RSI mode (strongest output)

Acute mode


B.E.S.T.™ devices BEST-RSI™ and BEST-Pro 1™ are USA FDA cleared as Biofeedback micro-current TENS devices indicated for symptomatic relief and management of chronic, intractable pain, and adjunctive treatment in the management of post-surgical and post-traumatic pain. US Federal law restricts these devices to sale by or on the order of a physician.

B.E.S.T.™ devices Avazzia Blue™ are USA FDA cleared for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, back of the neck, upper extremities (arm), and lower extremities (leg) due to strain from exercise or normal household work activities. No prescription is required.

WARNING: Not intended for individuals with pacemaker or other implanted electronic device or who may be pregnant.