Side by side comparison and review of Poly Blackwire 8225-M and Razer Opus X. 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 | Poly Blackwire 8225-M | Razer Opus X |
|---|
| Product Type | Headset - wired - USB-A | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 186 g | 270 g | Poly Blackwire 8225-M are lighter than Poly Blackwire 8225-M headphones. |
| Colour | - | Mercury | Quartz | |
| Earpad Material | - | Nylon, protein-leather |
| SOUND QUALITY | Poly Blackwire 8225-M | Razer Opus X |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | - | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 84 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | 40 mm | Razer Opus X have a thicker diaphragm than Poly Blackwire 8225-M. |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Blackwire 8225-M | Razer Opus X |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -35 dBV/Pascal | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Poly Blackwire 8225-M | Razer Opus X |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | Volume |
|---|
| CABLE | Poly Blackwire 8225-M | Razer Opus X |
|---|
| Cable Type | Headset cable - 2.2 m | USB-C to USB-A cable - detachable - 50 cm | |
|---|---|---|---|
| Cable Length | 2.2 m | - |
| BATTERY AND CHARGING | Poly Blackwire 8225-M | Razer Opus X |
|---|
| Battery Type | - | Headphone battery rechargeable |
|---|
| CONNECTIONS | Poly Blackwire 8225-M | Razer Opus X |
|---|
| Connector Type | Headset (4 PIN USB Type A) | - |
|---|
| OTHERS | Poly Blackwire 8225-M | Razer Opus X |
|---|
| Included Accessories | - | USB-C to USB-A charging cable |
|---|
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