Detailed comparison and review of EPOS I SENNHEISER GSP 670 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 | EPOS I SENNHEISER GSP 670 | Poly Blackwire 8225-M |
|---|
| Product Type | Headset - 7.1 channel - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | Gaming | - | |
| Height | 18 cm | - | |
| Width | 19 cm | - | |
| Depth | 8 cm | - | |
| Weight | 398 g | 186 g | Poly Blackwire 8225-M are lighter than EPOS I SENNHEISER GSP 670 headphones. |
| Colour | Black | - | |
| Earpad Material | Leatherette | - | |
| Recommended Use | Game console, computer | - | |
| Gaming | Yes | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | EPOS I SENNHEISER GSP 670 | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Audio Codec | SBC | - | |
| 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 | 10 - 23000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER GSP 670 offer a larger frequency range than Poly Blackwire 8225-M. |
| Sensitivity | - | 84 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | EPOS I SENNHEISER GSP 670 | Poly Blackwire 8225-M |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Bi-directional | - | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Frequency Response | 10 - 7300 Hz | 100 - 10000 Hz | Poly Blackwire 8225-M offer a larger microphone frequency range than EPOS I SENNHEISER GSP 670. |
| Sensitivity | -47 dBV/Pascal | -35 dBV/Pascal | |
| Microphone Features | Mute function | - |
| REMOTE CONTROL | EPOS I SENNHEISER GSP 670 | Poly Blackwire 8225-M |
|---|
| Controls | Volume | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | EPOS I SENNHEISER GSP 670 | Poly Blackwire 8225-M |
|---|
| Cable Type | USB charge cable - detachable - 1.5 m | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| BATTERY AND CHARGING | EPOS I SENNHEISER GSP 670 | Poly Blackwire 8225-M |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 20 hour(s) | - |
| CONNECTIONS | EPOS I SENNHEISER GSP 670 | Poly Blackwire 8225-M |
|---|
| Connector Type | - | Headset (4 PIN USB Type A) |
|---|
| OTHERS | EPOS I SENNHEISER GSP 670 | Poly Blackwire 8225-M |
|---|
| Included Accessories | Bluetooth dongle | - | |
|---|---|---|---|
| Compatibility | Mac, Windows | - | |
| Service & Support | Limited warranty - 2 years | - |
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