ISOtunes
ISOtunes Sport DEFY BT Electronic Shooting Earmuff
$169.99
Best Electronic Shooting Earmuffs · head-to-head
ISOtunes Sport DEFY BT Electronic Shooting Earmuff vs Caldwell E-Max Low Profile Electronic Hearing Protection
A sourced, side-by-side comparison. Caldwell E-Max Low Profile Electronic Hearing Protection is cheaper at $39.97. Every spec and price links to its source.
Caldwell
Caldwell E-Max Low Profile Electronic Hearing Protection
$39.97Cheaper
Which is better: the ISOtunes Sport DEFY BT Electronic Shooting Earmuff or Caldwell E-Max Low Profile Electronic Hearing Protection?
On the specs we track, they're closely matched. The Caldwell E-Max Low Profile Electronic Hearing Protection is the cheaper at $39.97.
See ISOtunes Sport DEFY BT Electronic Shooting Earmuff on Amazon See Caldwell E-Max Low Profile Electronic Hearing Protection on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | ISOtunes Sport DEFY BT Electronic Shooting Earmuff | Caldwell E-Max Low Profile Electronic Hearing Protection |
|---|---|---|
| US price | $169.99 | $39.97 |
| Brand | ISOtunes | Caldwell |
| Released | — | — |
| Noise reduction rating (d b) | 25 | 23 |
| Amplification cutoff time (ms) | 2 | — |
| Microphone type (directional/omni) | — | — |
| Bluetooth (yes/no) | Yes | No |
| Battery type & runtime | Rechargeable Li-ion; ~11 hrs on Bluetooth, or AAA backup batteries for ~22 hrs | 2x AAA (not included) |
| Cushion type | memory foam ear cushions | — |
| Foldable design | — | — |
| Weight (oz) | 15.5 | 16 |
Sources — ISOtunes Sport DEFY BT Electronic Shooting Earmuff: isotunes.com (verified 2026-08-11). Caldwell E-Max Low Profile Electronic Hearing Protection: caldwellshooting.com (verified 2026-08-11).
What's the difference between the ISOtunes Sport DEFY BT Electronic Shooting Earmuff and Caldwell E-Max Low Profile Electronic Hearing Protection?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Noise reduction rating (d b): ISOtunes Sport DEFY BT Electronic Shooting Earmuff 25 vs Caldwell E-Max Low Profile Electronic Hearing Protection 23
- Bluetooth (yes/no): ISOtunes Sport DEFY BT Electronic Shooting Earmuff true vs Caldwell E-Max Low Profile Electronic Hearing Protection false
- Battery type & runtime: ISOtunes Sport DEFY BT Electronic Shooting Earmuff Rechargeable Li-ion; ~11 hrs on Bluetooth, or AAA backup batteries for ~22 hrs vs Caldwell E-Max Low Profile Electronic Hearing Protection 2x AAA (not included)
- Weight (oz): ISOtunes Sport DEFY BT Electronic Shooting Earmuff 15.5 vs Caldwell E-Max Low Profile Electronic Hearing Protection 16