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Hypervolt 2 vs Ekrin Athletics B37
Quick verdict
Winner on Gym Score: Hypervolt 2 (72)
Ekrin B37 is the better value — same 12mm amplitude as Hypervolt, more than 2x the stall force (56 lb vs ~25 lb), 8-hour battery vs 3-hour, and a lifetime warranty for typically half the price. Hypervolt 2 wins on quietness (55 dB is noticeably quieter than Ekrin's typical 60+ dB) and brand polish (Bluetooth app, sleek design). The deciding factor: quiet operation (Hypervolt) or raw performance and warranty (Ekrin)?
Choose the Hypervolt 2 if quiet operation matters (shared living, pre-bed use, working alongside others), you want the polished app integration, or brand familiarity is worth the premium.
Read the full review →Choose the Ekrin B37 if you want significantly more stall force and battery life at half the price, the lifetime warranty appeals, and a bit more motor noise is acceptable.
Read the full review →
- · Apartment dwellers and parents who need a quiet recovery tool
- · Late-night users who train after the household is asleep
- · Travelers who want a streamlined pistol-grip design

- · Buyers who value a lifetime warranty over flashy specs
- · Daily users who want long battery life (8 hours per charge)
- · First-time massage gun owners not sure they will stick with it
Spec-by-spec
| Spec | Hypervolt 2 | Ekrin Athletics B37 |
|---|---|---|
| Amplitude | 12mm | 12mm |
| Stall Force | ~25 lb | 56 lb |
| Noise | 55 dB | — |
| Battery Life | 180 min | 480 min |
| Speeds | — | 5 |
Hypervolt 2
- +Very quiet (55 dB)
- +Bluetooth app
- +Sleek design
- +12mm amplitude
- −Lower stall force than Theragun Prime
- −Amplitude 12mm (vs 16mm)
- −Handle less ergonomic for self-massage
Ekrin Athletics B37
- +Lifetime warranty
- +8-hour battery
- +56 lb stall force
- +Under $230
- −12mm amplitude (not 16mm)
- −Heavier than premium options
- −App limited
The real tradeoff
Noise vs power is the real divergence. Hypervolt's 55 dB peak is genuinely quiet — usable in a shared bedroom or office without disturbing others. Ekrin's higher stall force and longer battery come with more mechanical noise. Warranty also strongly favors Ekrin (lifetime vs typical 1-year). For pure value, Ekrin. For premium experience and quiet operation, Hypervolt.
Skip both if you want deep tissue work — both are 12mm amplitude. The Theragun Prime at /product/theragun-prime has 16mm amplitude that reaches deeper into dense muscle.
Buyer questions
Is the 55 dB Hypervolt really that much quieter?
Yes — 55 dB is normal conversation level. 65+ dB (typical massage gun) is closer to a vacuum cleaner. The 10 dB gap is logarithmic, so it's perceived as roughly half the volume. For shared space use, it's a real difference.
Does Ekrin's lifetime warranty cover motor failures?
Yes, on the original owner. They've been good about honoring it in practice — owners report quick replacements when motors fail (rare but it happens around year 3-5).
Which has better attachments?
Comparable — both come with 4-5 standard attachments (ball, flat, bullet, fork). Hypervolt's are slightly more refined; Ekrin's are functionally equivalent at a lower cost.