Detailed comparison and review of beyerdynamic DT 990 PRO and Poly Blackwire 8225-M. 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 | Poly Blackwire 8225-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Weight | 250 g | 186 g | Poly Blackwire 8225-M are lighter than beyerdynamic DT 990 PRO headphones. |
| Colour | Black | - |
| SOUND QUALITY | beyerdynamic DT 990 PRO | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 5 - 35000 Hz | 20 - 20000 Hz | beyerdynamic DT 990 PRO offer a larger frequency range than Poly Blackwire 8225-M. |
| Max Input Power | 100 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 96 dB | 84 dB | beyerdynamic DT 990 PRO have higher sensitivity than Poly Blackwire 8225-M. |
| Impedance | 250 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | beyerdynamic DT 990 PRO | Poly Blackwire 8225-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal |
| REMOTE CONTROL | beyerdynamic DT 990 PRO | Poly Blackwire 8225-M |
|---|
| Controls | - | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | beyerdynamic DT 990 PRO | Poly Blackwire 8225-M |
|---|
| Cable Type | Headphones cable - 3 m | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | 3 m | 2.2 m | |
| Plated Connector | Gold | - |
| CONNECTIONS | beyerdynamic DT 990 PRO | Poly Blackwire 8225-M |
|---|
| Connector Type | Headphones (mini-phone 3.5mm) | Headset (4 PIN USB Type A) |
|---|
| OTHERS | beyerdynamic DT 990 PRO | Poly Blackwire 8225-M |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - |
|---|
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