In depth comparison and review of Poly Voyager Focus UC B825S-M and Sony WH-CH520. 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 Focus UC B825S-M | Sony WH-CH520 |
|---|
| Product Type | Headset - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 155 g | 147 g | Sony WH-CH520 are lighter than Poly Voyager Focus UC B825S-M headphones. |
| Colour | - | Beige | Black | Blue | White | |
| Body Material | - | Recycled plastic | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 45 m | 10 m | Poly Voyager Focus UC B825S-M have a greater operating distance than Sony WH-CH520. |
| SOUND QUALITY | Poly Voyager Focus UC B825S-M | 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 4.1 | Bluetooth 5.2 | Sony WH-CH520 have a more advanced version of Bluetooth than Poly Voyager Focus UC B825S-M. |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | 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 | - | Poly Voyager Focus UC B825S-M are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio | |
| Frequency Response | - | 20 - 20000 Hz | |
| Diaphragm | - | 30 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sony WH-CH520 have the ability to connect to multiple devices simultaneously. |
| Features | - | MultiPoint Technology, Google Fast Pair, Microsoft Swift Pair |
| MICROPHONE | Poly Voyager Focus UC B825S-M | Sony WH-CH520 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Mono | - |
| REMOTE CONTROL | Poly Voyager Focus UC B825S-M | Sony WH-CH520 |
|---|
| Controls | Volume | Volume, play/pause, skip track |
|---|
| CABLE | Poly Voyager Focus UC B825S-M | Sony WH-CH520 |
|---|
| Cable Type | Charging cable | USB-C charge cable |
|---|
| FEATURES | Poly Voyager Focus UC B825S-M | Sony WH-CH520 |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Voice Control | - | Direct | |
| Intelligent Assistant | - | Siri, Google Assistant | |
| Additional Functions | DSP | - |
| BATTERY AND CHARGING | Poly Voyager Focus UC B825S-M | Sony WH-CH520 |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 15 hour(s) | 50 hour(s) | Sony WH-CH520 lasts longer on a single charge than the Poly Voyager Focus UC B825S-M. |
| Battery Life Details | - | Continuous playback: up to 50 hours Continuous talk: up to 40 hours |
|
| Standby Time | - | 200 hours | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Poly Voyager Focus UC B825S-M | Sony WH-CH520 |
|---|
| Connector Type | Bluetooth | USB (power only) (USB Type-C) Bluetooth |
|---|
| OTHERS | Poly Voyager Focus UC B825S-M | Sony WH-CH520 |
|---|
| Included Accessories | Carrying case, Bluetooth USB adapter, charging stand | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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