In depth comparison and review of Poly Voyager Focus UC B825S-M and Bang & Olufsen Beoplay H4 2nd Generation. 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 | Bang & Olufsen Beoplay H4 2nd Generation |
|---|
| Product Type | Headset - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 22.3 cm | |
| Width | - | 18 cm | |
| Depth | - | 5.2 cm | |
| Weight | 155 g | 244 g | Poly Voyager Focus UC B825S-M are lighter than Poly Voyager Focus UC B825S-M headphones. |
| Colour | - | Matte black | Limestone | |
| Body Material | - | Stainless steel, aluminium, polymer | |
| Earpad Material | - | Leather | |
| 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 Bang & Olufsen Beoplay H4 2nd Generation. |
| SOUND QUALITY | Poly Voyager Focus UC B825S-M | Bang & Olufsen Beoplay H4 2nd Generation |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.2 | Bang & Olufsen Beoplay H4 2nd Generation have a more advanced version of Bluetooth than Poly Voyager Focus UC B825S-M. |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
| Active Noise Cancelling | Yes | - | Poly Voyager Focus UC B825S-M are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 91 dB/mW | |
| Impedance | - | 20 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Poly Voyager Focus UC B825S-M | Bang & Olufsen Beoplay H4 2nd Generation |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | Mono | Omni-directional |
| REMOTE CONTROL | Poly Voyager Focus UC B825S-M | Bang & Olufsen Beoplay H4 2nd Generation |
|---|
| Controls | Volume | Volume control, answer/end, play/pause, next/previous track, pair mode |
|---|
| CABLE | Poly Voyager Focus UC B825S-M | Bang & Olufsen Beoplay H4 2nd Generation |
|---|
| Cable Type | Charging cable | Headphones cable - detachable - braided fabric - 1.25 m Micro-USB charge cable - detachable - 25 cm |
|
|---|---|---|---|
| Cable Length | - | 1.25 m |
| FEATURES | Poly Voyager Focus UC B825S-M | Bang & Olufsen Beoplay H4 2nd Generation |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Voyager Focus UC B825S-M | Bang & Olufsen Beoplay H4 2nd Generation |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | 15 hour(s) | 19 hour(s) | Bang & Olufsen Beoplay H4 2nd Generation lasts longer on a single charge than the Poly Voyager Focus UC B825S-M. |
| Charging Time | - | 2.5 hour(s) |
| CONNECTIONS | Poly Voyager Focus UC B825S-M | Bang & Olufsen Beoplay H4 2nd Generation |
|---|
| Connector Type | Bluetooth | Headphones (mini-phone 3.5mm) Power input (5 pin Micro-USB Type B) |
|---|
| OTHERS | Poly Voyager Focus UC B825S-M | Bang & Olufsen Beoplay H4 2nd Generation |
|---|
| Included Accessories | Carrying case, Bluetooth USB adapter, charging stand | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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