In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Belkin SoundForm Adapt. 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 | Poly Voyager 4220 Office (UC Series) | Belkin SoundForm Adapt |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | UC Series | - | |
| Weight | 150 g | - | |
| Colour | - | Black | |
| Body Material | - | Recycled plastic | |
| Earpad Material | - | Foam | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | 10 m | Poly Voyager 4220 Office (UC Series) have a greater operating distance than Belkin SoundForm Adapt. |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | Belkin SoundForm Adapt |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Belkin SoundForm Adapt can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Belkin SoundForm Adapt have a more advanced version of Bluetooth than Poly Voyager 4220 Office (UC Series). |
| 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 | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 98 dB | |
| Diaphragm | 32 mm | 40 mm | Belkin SoundForm Adapt have a thicker diaphragm than Poly Voyager 4220 Office (UC Series). |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Belkin SoundForm Adapt have the ability to connect to multiple devices simultaneously. |
| Features | SoundGuard Technology | - |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | Belkin SoundForm Adapt |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Noise Cancelling | - | Yes | Belkin SoundForm Adapt microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Belkin SoundForm Adapt |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Volume, power on/off, pair mode, flip-to-mute |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | Belkin SoundForm Adapt |
|---|
| Cable Type | - | USB-C to USB-C cable - detachable - 1 m Audio cable - detachable - 1.2 m |
|---|
| FEATURES | Poly Voyager 4220 Office (UC Series) | Belkin SoundForm Adapt |
|---|
| Features | Voice alerts | Touch control, fast charge, Multipoint Pairing |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | Belkin SoundForm Adapt |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 hour(s) | 65 hour(s) | Belkin SoundForm Adapt 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 |
Continuous playback: up to 65 hours | |
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | 2 hour(s) | Poly Voyager 4220 Office (UC Series) recharge faster than Poly Voyager 4220 Office (UC Series). |
| CONNECTIONS | Poly Voyager 4220 Office (UC Series) | Belkin SoundForm Adapt |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) Headphones (USB Type-C) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | Belkin SoundForm Adapt |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | 3.5 mm audio cable, USB-C to USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | RoHS, USB-IF, REACH | |
| Service & Support | - | Limited warranty - 2 years |
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