In depth comparison and review of EPOS I SENNHEISER GSP 370 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 370 | Poly Voyager 4220 Office (UC Series) |
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Product Type | Headset - 7.1 channel - Bluetooth - wireless | Headset - Bluetooth - wireless - USB-C | |
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Series | - | UC Series | |
Height | 18 cm | - | |
Width | 20 cm | - | |
Depth | 8 cm | - | |
Weight | 285 g | 150 g | Poly Voyager 4220 Office (UC Series) are lighter than EPOS I SENNHEISER GSP 370 headphones. |
Colour | Black | - | |
Earpad Material | Memory foam | - | |
Recommended Use | Game console, computer | - | |
Bluetooth Range (Operating Distance) | 10 m | 30 m | Poly Voyager 4220 Office (UC Series) have a greater operating distance than EPOS I SENNHEISER GSP 370. |
SOUND QUALITY | EPOS I SENNHEISER GSP 370 | Poly Voyager 4220 Office (UC Series) |
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Headphones Form Factor | Full size | On-ear | |
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Headphones Technology | Dynamic | - | |
Ear Cups Type | Closed | - | |
Adjustable Headband | Yes | - | |
Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | 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) | |
Noise Isolating | Yes | - | EPOS I SENNHEISER GSP 370 are equipped with a noise isolating function. |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
Total Harmonic Distortion (THD) | 1% | - | |
Sensitivity | 117 dB | 94 dB | EPOS I SENNHEISER GSP 370 have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
Impedance | - | 32 Ohm | |
Max Sound Pressure | 117 dB | - | |
Diaphragm | - | 32 mm | |
Features | - | SoundGuard Technology |
MICROPHONE | EPOS I SENNHEISER GSP 370 | Poly Voyager 4220 Office (UC Series) |
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Form Factor | Headset microphone | - | |
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Type | Boom | Boom | |
Microphone Operation Mode | Uni-directional | Uni-directional | |
Noise Cancelling | Yes | - | EPOS I SENNHEISER GSP 370 microphone can cancel out ambient noise. |
Frequency Response | 100 - 6300 Hz | - | |
Audio Input Details | Uni-directional | - | |
Sensitivity | -41 dBV/Pascal | - | |
Microphone Features | Mute function | - | |
Microphones Included | - | 2 |
REMOTE CONTROL | EPOS I SENNHEISER GSP 370 | Poly Voyager 4220 Office (UC Series) |
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Controls | Volume | Mute, volume, answer/end, play/pause, next/previous track |
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CABLE | EPOS I SENNHEISER GSP 370 | Poly Voyager 4220 Office (UC Series) |
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Cable Type | USB charge cable - detachable - 1.5 m | - |
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FEATURES | EPOS I SENNHEISER GSP 370 | Poly Voyager 4220 Office (UC Series) |
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Features | - | Voice alerts |
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BATTERY AND CHARGING | EPOS I SENNHEISER GSP 370 | Poly Voyager 4220 Office (UC Series) |
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Battery Type | Headset battery rechargeable | Headset battery rechargeable - lithium polymer | |
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Battery Capacity | - | 360 mAh | |
Battery Life | 100 hour(s) | 12 hour(s) | EPOS I SENNHEISER GSP 370 lasts longer on a single charge than the Poly Voyager 4220 Office (UC Series). |
Battery Life Details | - | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
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Standby Time | - | 312 hours | |
Charging Time | 1 hour(s) | 1.5 hour(s) | EPOS I SENNHEISER GSP 370 recharge faster than EPOS I SENNHEISER GSP 370. |
CONNECTIONS | EPOS I SENNHEISER GSP 370 | Poly Voyager 4220 Office (UC Series) |
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Connector Type | USB (4 PIN USB Type A) | - |
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OTHERS | EPOS I SENNHEISER GSP 370 | Poly Voyager 4220 Office (UC Series) |
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Included Accessories | Bluetooth dongle | Wireless headset system base, Bluetooth USB-C adapter | |
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Compatibility | Mac, Windows | - | |
Service & Support | Limited warranty - 2 years | - |