Detailed comparison and review of Poly Voyager 4220 (Office Series) and Sony WH-CH520. 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 | Poly Voyager 4220 (Office Series) | Sony WH-CH520 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | Office Series | - | |
| Weight | 150 g | 147 g | Sony WH-CH520 are lighter than Poly Voyager 4220 (Office Series) headphones. |
| Colour | - | Beige | Black | Blue | White | |
| Body Material | - | Recycled plastic | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 91 m | 10 m | Poly Voyager 4220 (Office Series) have a greater operating distance than Sony WH-CH520. |
| SOUND QUALITY | Poly Voyager 4220 (Office Series) | Sony WH-CH520 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Sony WH-CH520 have a more advanced version of Bluetooth than Poly Voyager 4220 (Office 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 | SBC, AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | 30 mm | Poly Voyager 4220 (Office Series) have a thicker diaphragm than Sony WH-CH520. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-CH520 have the ability to connect to multiple devices simultaneously. |
| Features | SoundGuard DIGITAL Technology | MultiPoint Technology, Google Fast Pair, Microsoft Swift Pair |
| MICROPHONE | Poly Voyager 4220 (Office Series) | Sony WH-CH520 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 (Office Series) | Sony WH-CH520 |
|---|
| Controls | Mute, volume, answer/end, next/previous track, redial | Volume, play/pause, skip track |
|---|
| CABLE | Poly Voyager 4220 (Office Series) | Sony WH-CH520 |
|---|
| Cable Type | - | USB-C charge cable |
|---|
| FEATURES | Poly Voyager 4220 (Office Series) | Sony WH-CH520 |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Direct | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Poly Voyager 4220 (Office Series) | Sony WH-CH520 |
|---|
| Battery Type | Headset battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 hour(s) | 50 hour(s) | Sony WH-CH520 lasts longer on a single charge than the Poly Voyager 4220 (Office Series). |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
Continuous playback: up to 50 hours Continuous talk: up to 40 hours |
|
| Standby Time | 312 hours | 200 hours | Poly Voyager 4220 (Office Series) have longer standby time than Sony WH-CH520. |
| Charging Time | 1.5 hour(s) | 3 hour(s) | Poly Voyager 4220 (Office Series) recharge faster than Poly Voyager 4220 (Office Series). |
| CONNECTIONS | Poly Voyager 4220 (Office Series) | Sony WH-CH520 |
|---|
| Connector Type | USB (24 pin USB-C) | USB (power only) (USB Type-C) Bluetooth |
|---|
| OTHERS | Poly Voyager 4220 (Office Series) | Sony WH-CH520 |
|---|
| Software Certification | Certified for Microsoft Teams | - |
|---|
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