Side by side comparison and review of Bang & Olufsen Beoplay H9 and Poly Blackwire 325-M. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Bang & Olufsen Beoplay H9 | Poly Blackwire 325-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 300 Series | |
| Height | 22.5 cm | - | |
| Width | 19.7 cm | - | |
| Depth | 4 cm | - | |
| Weight | 285 g | - | |
| Colour | Argilla grey | Black | - | |
| Body Material | Anodised aluminium | - | |
| Earpad Material | Leather | - | |
| Headband Material | - | Metal | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Bang & Olufsen Beoplay H9 | Poly Blackwire 325-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | AAC, aptX | - | |
| Active Noise Cancelling | Yes | - | Bang & Olufsen Beoplay H9 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Signature Sound | - | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | Bang & Olufsen Beoplay H9 offer a larger frequency range than Poly Blackwire 325-M. |
| Sensitivity | 93 dB/mW | - | |
| Impedance | 20 Ohm | - | |
| Diaphragm | 40 mm | - | |
| Features | Bluetooth aptX technology | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bang & Olufsen Beoplay H9 | Poly Blackwire 325-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Bang & Olufsen Beoplay H9 | Poly Blackwire 325-M |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track, noise-cancellation suspend button | Mute, volume, answer/end |
|---|
| CABLE | Bang & Olufsen Beoplay H9 | Poly Blackwire 325-M |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m | Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | - | 2.13 m |
| FEATURES | Bang & Olufsen Beoplay H9 | Poly Blackwire 325-M |
|---|
| Additional Functions | - | DSP |
|---|
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H9 | Poly Blackwire 325-M |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Capacity | 770 mAh | - | |
| Battery Life | 21 hour(s) | - | |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 14 hours Continuous playback (noise cancelling OFF): up to 16 hours Continuous playback (noise cancelling ON / cable connection): up to 21 hours |
- | |
| Charging Time | 2.5 hour(s) | - |
| CONNECTIONS | Bang & Olufsen Beoplay H9 | Poly Blackwire 325-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Bang & Olufsen Beoplay H9 | Poly Blackwire 325-M |
|---|
| Included Accessories | Carrying pouch, airplane adapter, micro-USB charging cable (30cm) | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
