# Sennheiser Momentum 4 Wireless vs Bowers & Wilkins Px7 S3: specs and price compared

A sourced, side-by-side comparison of the Sennheiser Momentum 4 Wireless (Sennheiser) and Bowers & Wilkins Px7 S3 (Bowers & Wilkins) among over ear headphones.

## Side by side

| Spec | Sennheiser Momentum 4 Wireless | Bowers & Wilkins Px7 S3 |
| --- | --- | --- |
| US price | not published | $449 |
| Brand | Sennheiser | Bowers & Wilkins |
| Released | 2022-09 | 2025-04 |
| ANC | Yes | Yes |
| Driver (mm) | — | — |
| Battery hr | 60 | 30 |
| Bluetooth | 5.2 | 5.3 |
| Codecs | SBC, AAC, aptX, aptX Adaptive | SBC, AAC, aptX Adaptive, aptX Lossless |
| Wired option | Yes | Yes |
| Weight (g) | 300 | 300 |

## Key differences

- Battery hr: Sennheiser Momentum 4 Wireless 60 vs Bowers & Wilkins Px7 S3 30
- Bluetooth: Sennheiser Momentum 4 Wireless 5.2 vs Bowers & Wilkins Px7 S3 5.3
- Codecs: Sennheiser Momentum 4 Wireless SBC, AAC, aptX, aptX Adaptive vs Bowers & Wilkins Px7 S3 SBC, AAC, aptX Adaptive, aptX Lossless

## What reviewers say

**Sennheiser Momentum 4 Wireless** — Four whitelisted testers (SoundGuys, Engadget, Tom's Guide, What Hi-Fi) rate the Momentum 4 Wireless a top-value ANC over-ear: class-leading battery life and refined, neutral sound draw praise, though ANC trails Bose/Sony flagships and the restyle looks generic. SoundGuys lab-measured 56h21m of playback with ANC on; Engadget clocked 57h at ~75% volume. All four quotes and both measured battery figures were confirmed verbatim in the fetched pages. (4 sourced reviews.)

**Bowers & Wilkins Px7 S3** — All four whitelisted reviews of the exact Px7 S3 (SoundGuys, What Hi-Fi, TechRadar, Engadget) survived verification; every quote and the single measured figure were confirmed as literal text, none dropped. All four praise the premium build and comfortable, lighter 300g fit, and all agree the reworked ANC is improved but still trails Bose. Only SoundGuys published lab data (an average 83-84% reduction in perceived loudness); the other three are qualitative listening reviews. (4 sourced reviews.)

## Sources

- Sennheiser Momentum 4 Wireless: https://www.headphonecheck.com/test/sennheiser-momentum-4-wireless (headphonecheck.com, verified 2026-06-15)
- Bowers & Wilkins Px7 S3: https://www.headphonecheck.com/test/bowers-wilkins-px7-s3 (headphonecheck.com, verified 2026-06-15)

Canonical: https://frontdeskreview.com/gear/over-ear-headphones/sennheiser-momentum-4-wireless-vs-bowers-wilkins-px7-s3/
Cite: Per The Front Desk Review, Sennheiser Momentum 4 Wireless (not published) vs Bowers & Wilkins Px7 S3 ($449) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/over-ear-headphones/sennheiser-momentum-4-wireless-vs-bowers-wilkins-px7-s3/
License: CC BY 4.0.