# Caldwell E-Max Low Profile Electronic Hearing Protection vs MSA Sordin Supreme Pro-X Electronic Earmuff: specs and price compared

A sourced, side-by-side comparison of the Caldwell E-Max Low Profile Electronic Hearing Protection (Caldwell) and MSA Sordin Supreme Pro-X Electronic Earmuff (MSA Sordin) among electronic shooting earmuffs. Caldwell E-Max Low Profile Electronic Hearing Protection is the cheaper of the two at $39.97.

## Side by side

| Spec | Caldwell E-Max Low Profile Electronic Hearing Protection | MSA Sordin Supreme Pro-X Electronic Earmuff |
| --- | --- | --- |
| US price | $39.97 | $299 |
| Brand | Caldwell | MSA Sordin |
| Noise reduction rating (d b) | 23 | 18 |
| Amplification cutoff time (ms) | — | — |
| Microphone type (directional/omni) | — | — |
| Bluetooth (yes/no) | No | No |
| Battery type & runtime | 2x AAA (not included) | 2x AAA; 600+ hrs |
| Cushion type | — | gel |
| Foldable design | — | — |
| Weight (oz) | 16 | 14.1 |

## Key differences

- Noise reduction rating (d b): Caldwell E-Max Low Profile Electronic Hearing Protection 23 vs MSA Sordin Supreme Pro-X Electronic Earmuff 18
- Battery type & runtime: Caldwell E-Max Low Profile Electronic Hearing Protection 2x AAA (not included) vs MSA Sordin Supreme Pro-X Electronic Earmuff 2x AAA; 600+ hrs
- Weight (oz): Caldwell E-Max Low Profile Electronic Hearing Protection 16 vs MSA Sordin Supreme Pro-X Electronic Earmuff 14.1

## Sources

- Caldwell E-Max Low Profile Electronic Hearing Protection: https://www.caldwellshooting.com/safety-gear/hearing-protection/e-max/e-max-low-profile-electronic-hearing-protection/487557.html (caldwellshooting.com, verified 2026-08-11)
- MSA Sordin Supreme Pro-X Electronic Earmuff: https://sordin.com/products/sordin-supreme-pro-x (sordin.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/electronic-shooting-earmuffs/caldwell-e-max-low-profile-vs-msa-sordin-supreme-pro-x/
Cite: Per The Front Desk Review, Caldwell E-Max Low Profile Electronic Hearing Protection ($39.97) vs MSA Sordin Supreme Pro-X Electronic Earmuff ($299) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/electronic-shooting-earmuffs/caldwell-e-max-low-profile-vs-msa-sordin-supreme-pro-x/
License: CC BY 4.0.