Side by side comparison and review of Sennheiser HD 450BT and Sennheiser ACCENTUM Wireless. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 450BT | Sennheiser ACCENTUM Wireless |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 238 g | 222 g | Sennheiser ACCENTUM Wireless are lighter than Sennheiser HD 450BT headphones. |
| Colour | Black | White | Black |
| SOUND QUALITY | Sennheiser HD 450BT | Sennheiser ACCENTUM Wireless |
|---|
| Headphones Form Factor | Full size | Full size binaural | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sennheiser HD 450BT can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Sennheiser ACCENTUM Wireless have a more advanced version of Bluetooth than Sennheiser HD 450BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | SBC, AAC, aptX HD, mSBC, CVSD | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 10 - 22000 Hz | Sennheiser ACCENTUM Wireless offer a larger frequency range than Sennheiser HD 450BT. |
| Total Harmonic Distortion (THD) | <0.3% | 0.3% | Both headphones have the same total harmonic distortion. |
| Sensitivity | - | 106 dB | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 37 mm |
| MICROPHONE | Sennheiser HD 450BT | Sennheiser ACCENTUM Wireless |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Beamforming | Beamforming | |
| Frequency Response | 80 - 6000 Hz | 50 - 8000 Hz | Sennheiser ACCENTUM Wireless offer a larger microphone frequency range than Sennheiser HD 450BT. |
| Microphones Included | 2 | - |
| CABLE | Sennheiser HD 450BT | Sennheiser ACCENTUM Wireless |
|---|
| Cable Type | Audio cable - detachable USB-C charge cable - detachable |
USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Sennheiser HD 450BT | Sennheiser ACCENTUM Wireless |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 600 mAh | 800 mAh | Sennheiser ACCENTUM Wireless have a higher battery capacity than Sennheiser HD 450BT. |
| Battery Life | 30 hours | 50 hour(s) | Sennheiser ACCENTUM Wireless lasts longer on a single charge than the Sennheiser HD 450BT. |
| Charging Time | 2 hours | 3 hour(s) | Sennheiser HD 450BT recharge faster than Sennheiser HD 450BT. |
| WIRELESS LINK | Sennheiser HD 450BT | Sennheiser ACCENTUM Wireless |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| OTHERS | Sennheiser HD 450BT | Sennheiser ACCENTUM Wireless |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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