In depth comparison and review of Sony WH-1000XM4 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-1000XM4 | Poly Voyager Focus B825 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - NFC - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | 25.2 cm | 7 cm | |
| Width | 7.7 cm | 18.3 cm | |
| Length | 18.5 cm | - | |
| Depth | - | 16 cm | |
| Weight | 520 g | 155 g | Poly Voyager Focus B825 are lighter than Sony WH-1000XM4 headphones. |
| Colour | White | Black | Silver | Midnight blue | Black | |
| Earpad Material | Urethane foam | - | |
| 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-1000XM4. |
| High-Resolution Audio | Yes | - |
| SOUND QUALITY | Sony WH-1000XM4 | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sony WH-1000XM4 can be folded. |
| Connectivity Technology | Wireless, wired | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 4.1 | Sony WH-1000XM4 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), Serial Copy Management System (SCMS-T) | - | |
| Bluetooth Audio Codec | SBC, AAC, LDAC | - | |
| 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 | |
| Sound Effects | Digital Sound Enhancement Engine Extreme (DSEE Extreme), Adaptive Sound Control, 360 Reality Audio | - | |
| Frequency Response | - | 20 - 20000 Hz | |
| Diaphragm | Aluminium coated LCP - 40 mm | 32 mm | Sony WH-1000XM4 have a thicker diaphragm than Poly Voyager Focus B825. |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | Neodymium | - | |
| Features | HD Noise Canceling Processor QN1, Speak-to-chat technology, Precise Voice Pickup Technology, Quick Attention function, CCAW coil, Smart Listening Technology, Personal Noise Cancelling Optimiser, Atmospheric Pressure Optimising | Smart Sensor Technology |
| MICROPHONE | Sony WH-1000XM4 | Poly Voyager Focus B825 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Microphones Included | 5 | 3 | Sony WH-1000XM4 have a built-in microphone. |
| REMOTE CONTROL | Sony WH-1000XM4 | Poly Voyager Focus B825 |
|---|
| Controls | Volume control, ANC on/off | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | Sony WH-1000XM4 | Poly Voyager Focus B825 |
|---|
| Cable Type | USB-C charge cable - detachable Audio cable - OFC - L shaped / mini-phone stereo 3.5 mm - 1.2 m |
Micro-USB charging cable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sony WH-1000XM4 | Poly Voyager Focus B825 |
|---|
| Features | Touch control | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Intelligent Assistant | Google Assistant, Alexa | - | |
| Sensors | Proximity sensor, touch sensor | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sony WH-1000XM4 | Poly Voyager Focus B825 |
|---|
| Battery Type | Headphone battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 325 mAh | |
| Battery Life | 38 hour(s) | 15 hour(s) | Sony WH-1000XM4 lasts longer on a single charge than the Poly Voyager Focus B825. |
| Battery Life Details | Continuous playback (active noise-cancelling on): up to 30 hours Continuous playback (active noise-cancelling off): up to 38 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 |
|
| Standby Time | 200 hours | - | |
| Charging Time | 3 hour(s) | 2 hour(s) | Poly Voyager Focus B825 recharge faster than Sony WH-1000XM4. |
| Included Qty | 1 | - |
| CONNECTIONS | Sony WH-1000XM4 | Poly Voyager Focus B825 |
|---|
| Connector Type | USB (power only) Bluetooth Headphones (mini-phone stereo 3.5 mm) |
- |
|---|
| OTHERS | Sony WH-1000XM4 | Poly Voyager Focus B825 |
|---|
| Included Accessories | Carrying case, in-flight plug adapter, headphones cable (1.2 m), USB-C cable (0.2m) | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - parts - 1 year Limited warranty - labour - 90 days |
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