# Omron Pocket Pain Pro (PM400) vs Compex Edge 3.0: specs and price compared

A sourced, side-by-side comparison of the Omron Pocket Pain Pro (PM400) (Omron) and Compex Edge 3.0 (Compex) among tens units. Omron Pocket Pain Pro (PM400) is the cheaper of the two at $51.99.

## Side by side

| Spec | Omron Pocket Pain Pro (PM400) | Compex Edge 3.0 |
| --- | --- | --- |
| US price | $51.99 | $149.99 |
| Brand | Omron | Compex |
| Output channels | 1 | 4 |
| Intensity levels | 10 | 999 |
| Preset modes | 5 (3 pain-relief programs: Arm/Shoulder, Lower Back, Leg/Foot + 2 massage modes: Knead, Steady) | 4 (Resistance, Strength, Recovery, TENS) |
| Power source | 2x AAA batteries (included) | rechargeable Li-ion battery (USB), up to 8 hrs of stimulation |
| Electrode pads included | 2 | 6 |
| Timer range min | 0-15 | — |
| Wireless | No | No |
| Fda cleared | Yes | Yes |

## Key differences

- Output channels: Omron Pocket Pain Pro (PM400) 1 vs Compex Edge 3.0 4
- Intensity levels: Omron Pocket Pain Pro (PM400) 10 vs Compex Edge 3.0 999
- Preset modes: Omron Pocket Pain Pro (PM400) 5 (3 pain-relief programs: Arm/Shoulder, Lower Back, Leg/Foot + 2 massage modes: Knead, Steady) vs Compex Edge 3.0 4 (Resistance, Strength, Recovery, TENS)
- Power source: Omron Pocket Pain Pro (PM400) 2x AAA batteries (included) vs Compex Edge 3.0 rechargeable Li-ion battery (USB), up to 8 hrs of stimulation
- Electrode pads included: Omron Pocket Pain Pro (PM400) 2 vs Compex Edge 3.0 6

## Sources

- Omron Pocket Pain Pro (PM400): https://omronhealthcare.com/products/pocket-pain-pro-tens-unit-pm400 (omronhealthcare.com, verified 2026-08-01)
- Compex Edge 3.0: https://medgrade.org/devices/compex-edge-3-0/ (medgrade.org, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/tens-units/omron-pocket-pain-pro-pm400-vs-compex-edge-3-0/
Cite: Per The Front Desk Review, Omron Pocket Pain Pro (PM400) ($51.99) vs Compex Edge 3.0 ($149.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/tens-units/omron-pocket-pain-pro-pm400-vs-compex-edge-3-0/
License: CC BY 4.0.