In depth comparison and review of EPOS I SENNHEISER GSP 301 and Poly Voyager 4220 Office (UC Series). Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER GSP 301 | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Height | 17 cm | - | |
| Width | 18.5 cm | - | |
| Depth | 7.5 cm | - | |
| Weight | 290 g | 150 g | Poly Voyager 4220 Office (UC Series) are lighter than EPOS I SENNHEISER GSP 301 headphones. |
| Colour | White | - | |
| Earpad Material | Memory foam | - | |
| Recommended Use | Game console, computer | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | EPOS I SENNHEISER GSP 301 | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Deep Bass | - | |
| Frequency Response | 15 - 26000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER GSP 301 offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
| Sensitivity | 113 dB | 94 dB | EPOS I SENNHEISER GSP 301 have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 19 Ohm | 32 Ohm | |
| Max Sound Pressure | 113 dB | - | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | EPOS I SENNHEISER GSP 301 | Poly Voyager 4220 Office (UC Series) |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Noise Cancelling | Yes | - | EPOS I SENNHEISER GSP 301 microphone can cancel out ambient noise. |
| Frequency Response | 10 - 15000 Hz | - | |
| Sensitivity | -41 dBV/Pascal | - | |
| Microphone Features | Mute function | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | EPOS I SENNHEISER GSP 301 | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | Volume | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | EPOS I SENNHEISER GSP 301 | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | Headset cable - 2 m | - | |
|---|---|---|---|
| Cable Length | 2 m | - |
| FEATURES | EPOS I SENNHEISER GSP 301 | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER GSP 301 | Poly Voyager 4220 Office (UC Series) |
|---|
| Battery Type | - | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | - | 12 hour(s) | |
| 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) |
| CONNECTIONS | EPOS I SENNHEISER GSP 301 | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) Microphone (mini-phone 3.5mm) |
- |
|---|
| OTHERS | EPOS I SENNHEISER GSP 301 | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | 2 x 3.5 mm to 3.5 mm adapter | Wireless headset system base, Bluetooth USB-C adapter | |
|---|---|---|---|
| Compatibility | Mac, Windows | - | |
| Service & Support | Limited warranty - 2 years | - |
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