Compex
Compex Edge 3.0
$149.99
Best Tens Units · head-to-head
A sourced, side-by-side comparison. Belifu Dual Channel TENS/EMS Unit (AS8015) is cheaper at $69.99. Every spec and price links to its source.
Compex
$149.99
Belifu
$69.99Cheaper
On the specs we track, they're closely matched. The Belifu Dual Channel TENS/EMS Unit (AS8015) is the cheaper at $69.99.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $149.99 | $69.99 |
| Brand | Compex | Belifu |
| Released | — | — |
| Output channels | 4 | 2 |
| Intensity levels | 999 | 20 |
| Preset modes | 4 (Resistance, Strength, Recovery, TENS) | 24 |
| Power source | rechargeable Li-ion battery (USB), up to 8 hrs of stimulation | rechargeable lithium-polymer battery (USB) |
| Electrode pads included | 6 | — |
| Timer range min | — | — |
| Wireless | No | No |
| Fda cleared | Yes | Yes |
Sources — Compex Edge 3.0: medgrade.org (verified 2026-08-01). Belifu Dual Channel TENS/EMS Unit (AS8015): medgrade.org (verified 2026-08-01).
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.