In depth comparison and review of Bang & Olufsen Beoplay H4 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 | Bang & Olufsen Beoplay H4 | Poly Voyager Focus B825 |
|---|
| Product Type | Headphones - Bluetooth - wireless - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | 22 cm | 7 cm | |
| Width | 19.4 cm | 18.3 cm | |
| Depth | 5 cm | 16 cm | |
| Weight | 235 g | 155 g | Poly Voyager Focus B825 are lighter than Bang & Olufsen Beoplay H4 headphones. |
| Colour | Black | Charcoal grey | Sandstone | Tangerine | Violet | Black | |
| Body Material | Stainless steel, aluminium | - | |
| Earpad Material | Leather | - | |
| Headband Material | Leather | - | |
| 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 Bang & Olufsen Beoplay H4. |
| SOUND QUALITY | Bang & Olufsen Beoplay H4 | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.1 | Bang & Olufsen Beoplay H4 have a more advanced version of Bluetooth than Poly Voyager Focus B825. |
| Active Noise Cancelling | - | Yes | Poly Voyager Focus B825 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | Bang & Olufsen Beoplay H4 offer a larger frequency range than Poly Voyager Focus B825. |
| Sensitivity | 91 dB/mW | - | |
| Impedance | 20 Ohm | - | |
| Diaphragm | 40 mm | 32 mm | Bang & Olufsen Beoplay H4 have a thicker diaphragm than Poly Voyager Focus B825. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Features | - | Smart Sensor Technology |
| MICROPHONE | Bang & Olufsen Beoplay H4 | Poly Voyager Focus B825 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Audio Input Details | Omni-directional | - | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Bang & Olufsen Beoplay H4 | Poly Voyager Focus B825 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track, pair mode | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | Bang & Olufsen Beoplay H4 | Poly Voyager Focus B825 |
|---|
| Cable Type | Headphones cable - braided fabric - 1.25 m | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 1.25 m | - |
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H4 | Poly Voyager Focus B825 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 600 mAh | 325 mAh | Bang & Olufsen Beoplay H4 have a higher battery capacity than Poly Voyager Focus B825. |
| Battery Life | 19 hour(s) | 15 hour(s) | Bang & Olufsen Beoplay H4 lasts longer on a single charge than the Poly Voyager Focus B825. |
| Battery Life Details | - | 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 | 2.5 hour(s) | 2 hour(s) | Poly Voyager Focus B825 recharge faster than Bang & Olufsen Beoplay H4. |
| WIRELESS LINK | Bang & Olufsen Beoplay H4 | Poly Voyager Focus B825 |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Bang & Olufsen Beoplay H4 | Poly Voyager Focus B825 |
|---|
| Connector Type | Headphones (mini-phone 3.5mm) | - |
|---|
| OTHERS | Bang & Olufsen Beoplay H4 | Poly Voyager Focus B825 |
|---|
| Included Accessories | USB charging cable (25cm) | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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