In depth comparison and review of Sony WH-CH720N and Poly Voyager Focus B825. 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 | Sony WH-CH720N | Poly Voyager Focus B825 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | - | 7 cm | |
| Width | - | 18.3 cm | |
| Depth | - | 16 cm | |
| Weight | 192 g | 155 g | Poly Voyager Focus B825 are lighter than Sony WH-CH720N headphones. |
| Colour | Black | Blue | White | Black | |
| Body Material | Recycled plastic | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | 30 m | Poly Voyager Focus B825 have a greater operating distance than Sony WH-CH720N. |
| SOUND QUALITY | Sony WH-CH720N | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless, wired | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 4.1 | Sony WH-CH720N have a more advanced version of Bluetooth than Poly Voyager Focus B825. |
| Bluetooth Profiles | 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 | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Ambient Sound Mode / Dual Noise Sensor | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Digital Sound Enhancement Engine (DSEE), 360 Reality Audio | - | |
| Frequency Response | 7 - 20000 Hz | 20 - 20000 Hz | Sony WH-CH720N offer a larger frequency range than Poly Voyager Focus B825. |
| Sensitivity | 108 dB | - | |
| Diaphragm | 30 mm | 32 mm | Poly Voyager Focus B825 have a thicker diaphragm than Sony WH-CH720N. |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Features | MultiPoint Technology, Precise Voice Pickup Technology, Google Fast Pair, Microsoft Swift Pair, Processor V1, Automatic Wind Noise Reduction, adaptive mode | Smart Sensor Technology |
| MICROPHONE | Sony WH-CH720N | Poly Voyager Focus B825 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Beamforming | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Sony WH-CH720N | Poly Voyager Focus B825 |
|---|
| Controls | Volume, play/pause, skip track, voice assistant | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | Sony WH-CH720N | Poly Voyager Focus B825 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m USB-C cable - detachable |
Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| FEATURES | Sony WH-CH720N | Poly Voyager Focus B825 |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Voice Control | Direct | - | |
| Intelligent Assistant | Google Assistant, Alexa | - |
| BATTERY AND CHARGING | Sony WH-CH720N | Poly Voyager Focus B825 |
|---|
| Battery Type | Headphone battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 325 mAh | |
| Battery Life | 50 hour(s) | 15 hour(s) | Sony WH-CH720N lasts longer on a single charge than the Poly Voyager Focus B825. |
| Battery Life Details | 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 |
Continuous playback (AAC, active noise-cancelling on): up to 12 hours Continuous talk (active noise-cancelling off): up to 12 hours Continuous talk (active noise-cancelling on): up to 10 hours Continuous playback (active noise-cancelling off): up to 15 hours |
|
| Charging Time | 3.5 hour(s) | 2 hour(s) | Poly Voyager Focus B825 recharge faster than Sony WH-CH720N. |
| CONNECTIONS | Sony WH-CH720N | Poly Voyager Focus B825 |
|---|
| Connector Type | USB (power only) (USB Type-C) Headphones (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
- |
|---|
| OTHERS | Sony WH-CH720N | Poly Voyager Focus B825 |
|---|
| Included Accessories | USB-C cable, 3.5 mm audio cable | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes |
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