Side by side comparison and review of Sennheiser HD 350BT and Sennheiser HD 450BT. 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 350BT | Sennheiser HD 450BT |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 238 g | 238 g | Both headphones are equally heavy. |
| Colour | Black | White | Black | White |
| SOUND QUALITY | Sennheiser HD 350BT | Sennheiser HD 450BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| 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) | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | - | Yes | Sennheiser HD 450BT are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 18 - 22000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | <0.3% | <0.3% | Both headphones have the same total harmonic distortion. |
| Max Sound Pressure | 108 dB | 108 dB |
| MICROPHONE | Sennheiser HD 350BT | Sennheiser HD 450BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Beamforming | Beamforming | |
| Frequency Response | 80 - 6000 Hz | 80 - 6000 Hz | The frequency response of the microphones in both headphones is the same. |
| Microphones Included | 2 | 2 | Both headphones have a built-in microphone. |
| CABLE | Sennheiser HD 350BT | Sennheiser HD 450BT |
|---|
| Cable Type | USB-C charge cable - detachable | Audio cable - detachable USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Sennheiser HD 350BT | Sennheiser HD 450BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 300 mAh | 600 mAh | Sennheiser HD 450BT have a higher battery capacity than Sennheiser HD 350BT. |
| Battery Life | 30 hours | 30 hours | Both headphones last the same amount of time on a single charge. |
| Charging Time | 2 hours | 2 hours | The charging of both headphones last the same time. |
| OTHERS | Sennheiser HD 350BT | Sennheiser HD 450BT |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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