ISOtunes
ISOtunes Sport DEFY BT Electronic Shooting Earmuff
$169.99Cheaper
Best Electronic Shooting Earmuffs · head-to-head
ISOtunes Sport DEFY BT Electronic Shooting Earmuff vs MSA Sordin Supreme Pro-X Electronic Earmuff
A sourced, side-by-side comparison. ISOtunes Sport DEFY BT Electronic Shooting Earmuff is cheaper at $169.99. Every spec and price links to its source.
MSA Sordin
MSA Sordin Supreme Pro-X Electronic Earmuff
$299
Which is better: the ISOtunes Sport DEFY BT Electronic Shooting Earmuff or MSA Sordin Supreme Pro-X Electronic Earmuff?
On the specs we track, they're closely matched. The ISOtunes Sport DEFY BT Electronic Shooting Earmuff is the cheaper at $169.99.
See ISOtunes Sport DEFY BT Electronic Shooting Earmuff on Amazon See MSA Sordin Supreme Pro-X Electronic Earmuff 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 | MSA Sordin Supreme Pro-X Electronic Earmuff |
|---|---|---|
| US price | $169.99 | $299 |
| Brand | ISOtunes | MSA Sordin |
| Released | — | — |
| Noise reduction rating (d b) | 25 | 18 |
| 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; 600+ hrs |
| Cushion type | memory foam ear cushions | gel |
| Foldable design | — | — |
| Weight (oz) | 15.5 | 14.1 |
Sources — ISOtunes Sport DEFY BT Electronic Shooting Earmuff: isotunes.com (verified 2026-08-11). MSA Sordin Supreme Pro-X Electronic Earmuff: sordin.com (verified 2026-08-11).
What's the difference between the ISOtunes Sport DEFY BT Electronic Shooting Earmuff and MSA Sordin Supreme Pro-X Electronic Earmuff?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Noise reduction rating (d b): ISOtunes Sport DEFY BT Electronic Shooting Earmuff 25 vs MSA Sordin Supreme Pro-X Electronic Earmuff 18
- Bluetooth (yes/no): ISOtunes Sport DEFY BT Electronic Shooting Earmuff true vs MSA Sordin Supreme Pro-X Electronic Earmuff 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 MSA Sordin Supreme Pro-X Electronic Earmuff 2x AAA; 600+ hrs
- Cushion type: ISOtunes Sport DEFY BT Electronic Shooting Earmuff memory foam ear cushions vs MSA Sordin Supreme Pro-X Electronic Earmuff gel
- Weight (oz): ISOtunes Sport DEFY BT Electronic Shooting Earmuff 15.5 vs MSA Sordin Supreme Pro-X Electronic Earmuff 14.1