
Bang & Olufsen Beoplay HX Black
Score: 87/100
Bowers & Wilkins Px7 S3 Blue
Score: 87/100Rankings

The Bang & Olufsen Beoplay HX are premium over-ear wireless headphones featuring adaptive ANC, luxurious materials and up to 35 hours of battery life with ANC on. Their non-replaceable battery, subdued bass and higher weight are trade-offs for the high-end design. Suited for professionals and audiophiles who value comfort, ANC and premium aesthetics.

The Px7 S3 offers high-resolution audio with 40 mm bio-cellulose drivers, eight-mic ANC and 30 hours of battery backed by 15-minute quick charge, plus Bluetooth 5.3 with aptX Lossless support. Its 300 g weight, tight clamping and non-foldable design can be uncomfortable for extended wear. Best suited for travelers and audiophiles who value sound fidelity and robust features.
| Attribute | ![]() | ![]() |
|---|---|---|
35 hoursbest | 30 hours | |
40 mmbest | 40 mmbest | |
| ↓ lower better | 295 gbest | 300 g |
24 Ω | 33 Ωbest | |
95 dB SPLbest | — | |
1,110 mAhbest | — | |
| ↓ lower better | 180 minutes | 15 minutesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(2) | ||
Bluetooth Version | 5.1 | 5.3 |
Supported Audio Codecs | aptX Adaptive, AAC, SBC | aptX Lossless, aptX Adaptive, aptX HD, AAC, SBC |
Battery & Power(2) | ||
Battery Life (hours) | 35 hours | 30 hours |
Charging Time (minutes) | 180 minutes | 15 minutes |
Audio(2) | ||
Frequency Response | 20-22kHz | 10-30000 Hz |
Impedance (Ω) | 24 Ω | 33 Ω |
Build & Design(3) | ||
Weight (g) | 295 g | 300 g |
Dimensions (H×W×D) (mm) | 195x200x52 mm mm | 206x156x48 mm mm |
Ear Cushion Material | Lambskin leather, memory foam | Memory Foam |

Products in the top-left offer the best value (high score, low price).

Professional reviewers applaud the Beoplay HX for its marathon battery life, premium Scandinavian design, and effective adaptive ANC, while also noting that the sound signature has a slightly subdued bass and that the non-replaceable battery could affect longevity.
Everyday users consistently highlight the comfort of the memory-foam cushions, the impressive battery endurance, and the stylish, durable construction as top reasons for purchase. Recurring complaints focus on fit tightness for larger heads and heat buildup in the earcups during extended listening sessions.



Professional reviewers commend the Px7 S3 for its refined, high-resolution audio, powerful 40 mm bio-cellulose drivers, and robust ANC implementation. They also praise the extensive codec support, long battery life with rapid charging, and the high-grade 24-bit DAC/amplifier. Criticisms focus on the relatively tight clamping force, a slightly pressurized ANC feel, and the headphone's heavier weight compared with leading competitors.
Everyday users echo the professional praise for sound quality and battery longevity, noting the headphones feel secure and comfortable for commuting. Recurring complaints center on the clamping pressure during extended wear, a sense of pressurization from ANC, and the product's heft relative to lighter alternatives.