In depth comparison and review of Sennheiser SC 75 USB MS 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 | Sennheiser SC 75 USB MS | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | - | 150 g | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Sennheiser SC 75 USB MS | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| 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) | |
| Active Noise Cancelling | Yes | - | Sennheiser SC 75 USB MS are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 60 - 16000 Hz | 20 - 20000 Hz | Poly Voyager 4220 Office (UC Series) offer a larger frequency range than Sennheiser SC 75 USB MS. |
| Sensitivity | - | 94 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 118 dB | - | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Sennheiser SC 75 USB MS | Poly Voyager 4220 Office (UC Series) |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Noise Cancelling | Yes | - | Sennheiser SC 75 USB MS microphone can cancel out ambient noise. |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser SC 75 USB MS | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| FEATURES | Sennheiser SC 75 USB MS | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | EPOS ActiveGard | Voice alerts |
|---|
| BATTERY AND CHARGING | Sennheiser SC 75 USB MS | 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 | Sennheiser SC 75 USB MS | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
- |
|---|
| OTHERS | Sennheiser SC 75 USB MS | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | Carrying pouch | Wireless headset system base, Bluetooth USB-C adapter |
|---|
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