Sennheiser HD Series HD 350BT
Supporting aptX Low Latency and a 30-hour battery, these wireless over-ears deliver lag-free audio and all-day use with a closed-back design for isolation. A lightweight 238g build, foldable design, and Smart Control App with EQ and podcast mode add portability and sound personalization. They are best for casual gamers and podcast listeners who need low-latency streaming and a comfortable, travel-friendly headset for extended sessions.
form factor over-ear
driver type dynamic
Wireless Yes
open closed back closed
bluetooth version 5.0
battery life hours 30
44 Overall Score
Price MX$0
No listings available
Snapshot
Pros & Cons
Pros
- Strong connectivity (85th percentile) 85th
- Strong mic (79th percentile) 79th
- Strong battery (76th percentile) 76th
- Strong sound (75th percentile) 75th
Cons
- Below average user sentiment (21st percentile)
- Below average anc (32nd percentile)
- Below average social proof (35th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has cooled since launch
72/100Our AI sentiment read
Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | closed |
| Foldable | Yes |
| Weight | 0.2 kg / 0.5 lbs |
Audio
| Driver Type | dynamic |
| Freq Min | 80 |
| Freq Max | 6000 |
| Sensitivity | 108 |
| Hi-Res Audio | No |
| Codecs | AAC, SBC, aptX, aptX LL |
Noise Control
| ANC | No |
| Transparency | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5 |
| Profiles | A2DP, AVRCP, HFP, HSP |
| Wired Connector | USB-C |
Battery
| Battery Life | 30 |
| Charge Time | 2 |
| Fast Charging | fast USB-C charging |
| Charging | USB-C |
Microphone
| Microphone | Yes |
| Mic Count | 2 |
| NC Mic | Yes |
| Boom Mic | No |
Features
| Voice Assistant | Siri, Google Assistant |
| Touch Controls | Yes |
| App | Sennheiser Smart Control App |
| Gaming Mode | No |
vs Competition
| Spec | Sennheiser HD Series HD 350BT | Bowers & Wilkins Px8 S2 | Sony ULT WEAR WHULT900N/B | Apple AirPods Max Midnight | Technics EAH-A800 | Bose QuietComfort Ultra |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | - | 40 | 40 | 40 | 40 | - |
| Impedance Ohms | - | - | 314 | 16 | 34 | 32 |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | 5.0 | 5.3 | 5.2 | 5.0 | 5.2 | 5.3 |
| Battery Life Hours | 30 | 30 | 30 | 20 | 50 | 24 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sennheiser HD Series HD 350BT | 32.1 | 79.2 | 35 | 75 | 76.1 | 53.6 | 20.7 | 84.6 | 34.8 |
| Bowers & Wilkins Px8 S2 Compare | 98 | 99.3 | 95.7 | 99.4 | 76.1 | 53.6 | 87.1 | 97.7 | 98.4 |
| Sony ULT WEAR WHULT900N/B Compare | 98 | 85.3 | 77.7 | 95.6 | 76.1 | 53.6 | 70.6 | 98.9 | 87.5 |
| Apple AirPods Max Midnight Compare | 98 | 83.2 | 92.4 | 93.2 | 69.8 | 32.3 | 87.1 | 94.4 | 98.4 |
| Technics EAH-A800 Compare | 93.4 | 98.3 | 77.7 | 97.2 | 85.9 | 53.6 | 52.9 | 97.4 | 60 |
| Bose QuietComfort Ultra Compare | 93.4 | 79.2 | 95.7 | 52.9 | 72.7 | 81 | 70.6 | 99.2 | 73 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
