Detailed comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Poly Voyager 4220 UC. 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 | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | 113 g | 150 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | - | |
| Earpad Material | Leatherette | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 20 - 20000 Hz | Poly Voyager 4220 UC offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | - | |
| Impedance | 200 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC |
|---|
| Form Factor | Headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC |
|---|
| Cable Type | Headset cable - 1 m | - |
|---|
| FEATURES | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC |
|---|
| Battery Type | - | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | - | 15 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 IMPACT SC 660 TC | Poly Voyager 4220 UC |
|---|
| Connector Type | Headset (EasyDisconnect) | Wireless adapter (4 PIN USB Type A) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Bluetooth USB adapter, charging stand | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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