Sennheiser HD 450BT
Supporting aptX Low Latency and AAC codecs over Bluetooth 5.0, the HD 450BT delivers deep dynamic bass and active noise cancellation with a substantial 30-hour battery life. Its lightweight 236g build and foldable design, coupled with comfortable padding, make extended listening sessions effortless on the move. These are best for daily commuters who prioritize wireless ANC endurance over pristine studio accuracy, reflected in a low 25.3/100 studio score.
form factor over-ear
driver type dynamic
Wireless Yes
active noise cancellation Yes
open closed back closed
bluetooth version 5.0
battery life hours 30
64 Overall Score
Price CA$230
Snapshot
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 improved over time
82/100Our AI sentiment read
Based on 8 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 | 18 |
| Freq Max | 22000 |
| Hi-Res Audio | No |
| Codecs | AAC, AptX Low Latency |
Noise Control
| ANC | Yes |
| ANC Type | Active Noise Cancelling |
| Transparency | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5 |
| Multipoint | No |
| Wired Connector | 3.5mm |
| Detachable Cable | No |
Battery
| Battery Life | 30 |
| Charge Time | 2 |
| Fast Charging | USB-C fast charging |
| Charging | USB-C |
Microphone
| Microphone | Yes |
Features
| Voice Assistant | Siri, Google Assistant |
| Touch Controls | No |
| App | Sennheiser Smart Control |
| Gaming Mode | No |
vs Competition
| Spec | Sennheiser HD 450BT | Sony ULT WEAR WHULT900N/B | Apple AirPods Max Midnight | Technics EAH-A800 | JBL Tune 670NC | Bose QuietComfort Ultra |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | on-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | - | 40 | 40 | 40 | 32 | - |
| Impedance Ohms | - | 314 | 16 | 34 | 32 | 32 |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | 5.0 | 5.2 | 5.0 | 5.2 | 5.3 | 5.3 |
| Battery Life Hours | 30 | 30 | 20 | 50 | 70 | 24 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Sennheiser HD 450BT | 84.2 | 53.5 | 37.4 | 61.9 | 81.1 | 61.3 | 53.3 | 86.1 | 66.8 |
| Sony ULT WEAR WHULT900N/B Compare | 98.4 | 88.8 | 80.8 | 96.8 | 81.1 | 61.3 | 71 | 99.2 | 89.2 |
| Apple AirPods Max Midnight Compare | 98.4 | 87.1 | 93.4 | 94.9 | 76.3 | 34.4 | 87.2 | 88.6 | 98.6 |
| Technics EAH-A800 Compare | 95 | 98.8 | 80.8 | 97.9 | 89 | 61.3 | 53.3 | 98 | 65.3 |
| JBL Tune 670NC Compare | 98.4 | 74.4 | 80.8 | 88.4 | 95.3 | 90.9 | 81.7 | 99.4 | 98.6 |
| Bose QuietComfort Ultra Compare | 95 | 84 | 96 | 62.8 | 78.4 | 85.5 | 71 | 99.4 | 76.6 |
