Side by side comparison and review of Poly Blackwire 8225-M and Razer Opus. 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 |
|---|
| Product Type | Headset - wired - USB-A | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 186 g | 265 g | Poly Blackwire 8225-M are lighter than Poly Blackwire 8225-M headphones. |
| Colour | - | Black | |
| Earpad Material | - | Memory foam, nylon, protein-leather, plush | |
| Headband Material | - | Leatherette | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Poly Blackwire 8225-M | Razer Opus |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, aptX | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | Advanced ANC | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 84 dB | 105 dB/mW | Razer Opus have higher sensitivity than Poly Blackwire 8225-M. |
| Impedance | 32 Ohm | 12 Ohm | |
| Diaphragm | 32 mm | 40 mm | Razer Opus have a thicker diaphragm than Poly Blackwire 8225-M. |
| Features | SoundGuard DIGITAL Technology | Quick Attention function |
| MICROPHONE | Poly Blackwire 8225-M | Razer Opus |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | Yes | - | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | -35 dBV/Pascal | -38 dBV/Pascal | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Poly Blackwire 8225-M | Razer Opus |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | Power on/off, volume control, multiple function button, ANC/ambient |
|---|
| CABLE | Poly Blackwire 8225-M | Razer Opus |
|---|
| Cable Type | Headset cable - 2.2 m | USB-C cable - detachable - 30 cm Audio cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.5 m USB-A to USB-C adapter - detachable Airplane connection adapter - detachable |
|
|---|---|---|---|
| Cable Length | 2.2 m | - | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Poly Blackwire 8225-M | Razer Opus |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 25 hour(s) |
| CONNECTIONS | Poly Blackwire 8225-M | Razer Opus |
|---|
| Connector Type | Headset (4 PIN USB Type A) | Audio input (mini-phone stereo 3.5 mm) USB (24 pin USB-C) |
|---|
| OTHERS | Poly Blackwire 8225-M | Razer Opus |
|---|
| Included Accessories | - | Carrying case, USB-C charging cable, 3.5 mm audio cable (1.5 m) | |
|---|---|---|---|
| Compliant Standards | - | THX Certified | |
| Service & Support | - | Limited warranty - 2 years |
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