In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Sony WH-CH720N. 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) | Sony WH-CH720N |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | UC Series | - | |
| Weight | 150 g | 192 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Colour | - | Black | Blue | White | |
| Body Material | - | Recycled plastic | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | 10 m | Poly Voyager 4220 Office (UC Series) have a greater operating distance than Sony WH-CH720N. |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | Sony WH-CH720N |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Sony WH-CH720N 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) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | - | Yes | Sony WH-CH720N are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Ambient Sound Mode / Dual Noise Sensor | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio | |
| Frequency Response | 20 - 20000 Hz | 7 - 20000 Hz | Sony WH-CH720N offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
| Sensitivity | 94 dB | 108 dB | Sony WH-CH720N have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | 30 mm | Poly Voyager 4220 Office (UC Series) have a thicker diaphragm than Sony WH-CH720N. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-CH720N have the ability to connect to multiple devices simultaneously. |
| Features | SoundGuard Technology | MultiPoint Technology, Precise Voice Pickup Technology, Google Fast Pair, Microsoft Swift Pair, Processor V1, Automatic Wind Noise Reduction, adaptive mode |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | Sony WH-CH720N |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | Beamforming | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Sony WH-CH720N |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Volume, play/pause, skip track, voice assistant |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | Sony WH-CH720N |
|---|
| Cable Type | - | Headphones cable - detachable - 1.2 m USB-C cable - detachable |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| FEATURES | Poly Voyager 4220 Office (UC Series) | Sony WH-CH720N |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Direct | |
| Intelligent Assistant | - | Google Assistant, Alexa |
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | Sony WH-CH720N |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 hour(s) | 50 hour(s) | Sony WH-CH720N 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 talk (noise cancelling ON / Bluetooth): up to 35 hours Continuous playback (noise cancelling ON / Bluetooth): up to 35 hours Continuous talk: up to 40 hours Continuous playback: up to 50 hours |
|
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | 3.5 hour(s) | Poly Voyager 4220 Office (UC Series) recharge faster than Poly Voyager 4220 Office (UC Series). |
| CONNECTIONS | Poly Voyager 4220 Office (UC Series) | Sony WH-CH720N |
|---|
| Connector Type | - | USB (power only) (USB Type-C) Headphones (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | Sony WH-CH720N |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | USB-C cable, 3.5 mm audio cable |
|---|
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