# 3M Peltor Sport Tactical 500 Smart Electronic Hearing Protector vs ISOtunes Sport DEFY BT Electronic Shooting Earmuff: specs and price compared

A sourced, side-by-side comparison of the 3M Peltor Sport Tactical 500 Smart Electronic Hearing Protector (3M Peltor) and ISOtunes Sport DEFY BT Electronic Shooting Earmuff (ISOtunes) among electronic shooting earmuffs. ISOtunes Sport DEFY BT Electronic Shooting Earmuff is the cheaper of the two at $169.99.

## Side by side

| Spec | 3M Peltor Sport Tactical 500 Smart Electronic Hearing Protector | ISOtunes Sport DEFY BT Electronic Shooting Earmuff |
| --- | --- | --- |
| US price | $189.99 | $169.99 |
| Brand | 3M Peltor | ISOtunes |
| Noise reduction rating (d b) | 26 | 25 |
| Amplification cutoff time (ms) | — | 2 |
| Microphone type (directional/omni) | omni | — |
| Bluetooth (yes/no) | Yes | Yes |
| Battery type & runtime | 2x AA, or optional 3M Alpha 1100 Li-ion pack (USB-charged); ~8 hrs on the rechargeable pack | Rechargeable Li-ion; ~11 hrs on Bluetooth, or AAA backup batteries for ~22 hrs |
| Cushion type | — | memory foam ear cushions |
| Foldable design | — | — |
| Weight (oz) | 14.9 | 15.5 |

## Key differences

- Noise reduction rating (d b): 3M Peltor Sport Tactical 500 Smart Electronic Hearing Protector 26 vs ISOtunes Sport DEFY BT Electronic Shooting Earmuff 25
- Battery type & runtime: 3M Peltor Sport Tactical 500 Smart Electronic Hearing Protector 2x AA, or optional 3M Alpha 1100 Li-ion pack (USB-charged); ~8 hrs on the rechargeable pack vs ISOtunes Sport DEFY BT Electronic Shooting Earmuff Rechargeable Li-ion; ~11 hrs on Bluetooth, or AAA backup batteries for ~22 hrs
- Weight (oz): 3M Peltor Sport Tactical 500 Smart Electronic Hearing Protector 14.9 vs ISOtunes Sport DEFY BT Electronic Shooting Earmuff 15.5

## Sources

- 3M Peltor Sport Tactical 500 Smart Electronic Hearing Protector: https://www.3m.com/3M/en_US/p/d/b5005640010/ (3m.com, verified 2026-08-11)
- ISOtunes Sport DEFY BT Electronic Shooting Earmuff: https://isotunes.com/products/defy-bt (isotunes.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/electronic-shooting-earmuffs/3m-peltor-sport-tactical-500-vs-isotunes-sport-defy-bt/
Cite: Per The Front Desk Review, 3M Peltor Sport Tactical 500 Smart Electronic Hearing Protector ($189.99) vs ISOtunes Sport DEFY BT Electronic Shooting Earmuff ($169.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/electronic-shooting-earmuffs/3m-peltor-sport-tactical-500-vs-isotunes-sport-defy-bt/
License: CC BY 4.0.