Side by side comparison and review of Sennheiser HMD 300 PRO 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 HMD 300 PRO | Sennheiser HD 450BT |
|---|
| Product Type | Headset - wired | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 319 g | 238 g | Sennheiser HD 450BT are lighter than Sennheiser HMD 300 PRO headphones. |
| Colour | - | Black | White |
| SOUND QUALITY | Sennheiser HMD 300 PRO | 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 | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | 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 | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 60 - 25000 Hz | 18 - 22000 Hz | Sennheiser HMD 300 PRO offer a larger frequency range than Sennheiser HD 450BT. |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | 0.1% | <0.3% | Sennheiser HMD 300 PRO have lower total harmonic distortion than Sennheiser HMD 300 PRO. |
| Sensitivity | 108 dB | - | |
| Impedance | 64 Ohm | - | |
| Max Sound Pressure | 123 dB | 108 dB |
| MICROPHONE | Sennheiser HMD 300 PRO | Sennheiser HD 450BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | Beamforming | |
| Frequency Response | 80 - 16000 Hz | 80 - 6000 Hz | Sennheiser HMD 300 PRO offer a larger microphone frequency range than Sennheiser HD 450BT. |
| Sensitivity | 0.4 mV/Pascal | - | |
| Impedance | 300 Ohm | - | |
| Microphones Included | - | 2 |
| CABLE | Sennheiser HMD 300 PRO | Sennheiser HD 450BT |
|---|
| Cable Type | - | Audio cable - detachable USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser HMD 300 PRO | Sennheiser HD 450BT |
|---|
| Features | EPOS ActiveGard | - |
|---|
| BATTERY AND CHARGING | Sennheiser HMD 300 PRO | Sennheiser HD 450BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | - | 30 hours | |
| Charging Time | - | 2 hours |
| OTHERS | Sennheiser HMD 300 PRO | Sennheiser HD 450BT |
|---|
| Included Accessories | Wind screen | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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