In depth comparison and review of EPOS I SENNHEISER PC 373D 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 PC 373D | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | - | 150 g | |
| Colour | Black | - | |
| Recommended Use | Computer | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | EPOS I SENNHEISER PC 373D | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Open | - | |
| Foldable | Yes | - | EPOS I SENNHEISER PC 373D can be folded. |
| 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 | 7.1 Channel Virtual Surround Sound | - | |
| Frequency Response | 15 - 28000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER PC 373D offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
| Sensitivity | 116 dB | 94 dB | EPOS I SENNHEISER PC 373D have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 50 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | EPOS I SENNHEISER PC 373D | Poly Voyager 4220 Office (UC Series) |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Frequency Response | 50 - 16000 Hz | - | |
| Sensitivity | -38 dB | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | EPOS I SENNHEISER PC 373D | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | EPOS I SENNHEISER PC 373D | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | Headset cable - 1.2 m Headset extension cable - 1.7 m |
- | |
|---|---|---|---|
| Cable Length | 1.2 m | - |
| FEATURES | EPOS I SENNHEISER PC 373D | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER PC 373D | 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 PC 373D | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | Headset (4 PIN USB Type A) | - |
|---|
| OTHERS | EPOS I SENNHEISER PC 373D | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | - | Wireless headset system base, Bluetooth USB-C adapter |
|---|
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