Detailed comparison and review of beyerdynamic DT 990 PRO and Sennheiser HD 450BT. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | beyerdynamic DT 990 PRO | Sennheiser HD 450BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 250 g | 238 g | Sennheiser HD 450BT are lighter than beyerdynamic DT 990 PRO headphones. |
| Colour | Black | Black | White |
| SOUND QUALITY | beyerdynamic DT 990 PRO | Sennheiser HD 450BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Open | Closed | |
| Foldable | - | Yes | Sennheiser HD 450BT 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 | Sennheiser HD 450BT are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 35000 Hz | 18 - 22000 Hz | beyerdynamic DT 990 PRO offer a larger frequency range than Sennheiser HD 450BT. |
| Max Input Power | 100 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | <0.3% | beyerdynamic DT 990 PRO have lower total harmonic distortion than beyerdynamic DT 990 PRO. |
| Sensitivity | 96 dB | - | |
| Impedance | 250 Ohm | - | |
| Max Sound Pressure | - | 108 dB |
| MICROPHONE | beyerdynamic DT 990 PRO | Sennheiser HD 450BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Frequency Response | - | 80 - 6000 Hz | |
| Microphones Included | - | 2 |
| CABLE | beyerdynamic DT 990 PRO | Sennheiser HD 450BT |
|---|
| Cable Type | Headphones cable - 3 m | Audio cable - detachable USB-C charge cable - detachable |
|
|---|---|---|---|
| Cable Length | 3 m | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | beyerdynamic DT 990 PRO | Sennheiser HD 450BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | - | 30 hours | |
| Charging Time | - | 2 hours |
| CONNECTIONS | beyerdynamic DT 990 PRO | Sennheiser HD 450BT |
|---|
| Connector Type | Headphones (mini-phone 3.5mm) | - |
|---|
| OTHERS | beyerdynamic DT 990 PRO | Sennheiser HD 450BT |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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