Detailed comparison and review of Poly Voyager 4220 USB-C and EPOS I SENNHEISER GSP 670. 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 | Poly Voyager 4220 USB-C | EPOS I SENNHEISER GSP 670 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - 7.1 channel - Bluetooth - wireless | |
|---|---|---|---|
| Series | UC Series | Gaming | |
| Height | - | 18 cm | |
| Width | - | 19 cm | |
| Depth | - | 8 cm | |
| Weight | 150 g | 398 g | Poly Voyager 4220 USB-C are lighter than Poly Voyager 4220 USB-C headphones. |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | - | Game console, computer | |
| Gaming | - | Yes | |
| Bluetooth Range (Operating Distance) | 30 m | 10 m | Poly Voyager 4220 USB-C have a greater operating distance than EPOS I SENNHEISER GSP 670. |
| SOUND QUALITY | Poly Voyager 4220 USB-C | EPOS I SENNHEISER GSP 670 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, mSBC | SBC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 10 - 23000 Hz | EPOS I SENNHEISER GSP 670 offer a larger frequency range than Poly Voyager 4220 USB-C. |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 112 dB | |
| Diaphragm | 32 mm | - | |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Voyager 4220 USB-C | EPOS I SENNHEISER GSP 670 |
|---|
| Form Factor | Headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | Bi-directional | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER GSP 670 microphone can cancel out ambient noise. |
| Frequency Response | - | 10 - 7300 Hz | |
| Sensitivity | - | -47 dBV/Pascal | |
| Microphone Features | - | Mute function | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 USB-C | EPOS I SENNHEISER GSP 670 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Volume |
|---|
| CABLE | Poly Voyager 4220 USB-C | EPOS I SENNHEISER GSP 670 |
|---|
| Cable Type | - | USB charge cable - detachable - 1.5 m |
|---|
| FEATURES | Poly Voyager 4220 USB-C | EPOS I SENNHEISER GSP 670 |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 USB-C | EPOS I SENNHEISER GSP 670 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 15 hour(s) | 20 hour(s) | EPOS I SENNHEISER GSP 670 lasts longer on a single charge than the Poly Voyager 4220 USB-C. |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
- | |
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Poly Voyager 4220 USB-C | EPOS I SENNHEISER GSP 670 |
|---|
| Included Accessories | Bluetooth USB adapter, charging stand | Bluetooth dongle | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | - | Limited warranty - 2 years |
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