Side by side comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Poly Voyager 4220 UC, USB-C, Microsoft Teams. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headset - Bluetooth - wireless - USB-C via Bluetooth adapter | |
|---|---|---|---|
| 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, USB-C, Microsoft Teams |
|---|
| 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, USB-C, Microsoft Teams 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, USB-C, Microsoft Teams |
|---|
| 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, USB-C, Microsoft Teams |
|---|
| 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, USB-C, Microsoft Teams |
|---|
| Cable Type | Headset cable - 1 m | - |
|---|
| FEATURES | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| 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, USB-C, Microsoft Teams |
|---|
| Connector Type | Headset (EasyDisconnect) | Wireless adapter (USB Type-C) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Bluetooth USB-C adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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