Detailed comparison and review of Bang & Olufsen Beoplay H9 and Poly Blackwire 3320-M. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Bang & Olufsen Beoplay H9 | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | 22.5 cm | 17.8 cm | |
| Width | 19.7 cm | 15.5 cm | |
| Depth | 4 cm | 3.2 cm | |
| Weight | 285 g | 130 g | Poly Blackwire 3320-M are lighter than Bang & Olufsen Beoplay H9 headphones. |
| Colour | Argilla grey | Black | Black | |
| Body Material | Anodised aluminium | - | |
| Earpad Material | Leather | Foam | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | Bang & Olufsen Beoplay H9 | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | 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 | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| 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 3320-M. |
| Sensitivity | 93 dB/mW | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Bang & Olufsen Beoplay H9. |
| Impedance | 20 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 40 mm | 32 mm | Bang & Olufsen Beoplay H9 have a thicker diaphragm than Poly Blackwire 3320-M. |
| Features | Bluetooth aptX technology | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bang & Olufsen Beoplay H9 | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Bang & Olufsen Beoplay H9 | Poly Blackwire 3320-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 3320-M |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m | - |
|---|
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H9 | Poly Blackwire 3320-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 3320-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (24 pin USB-C) |
|---|
| OTHERS | Bang & Olufsen Beoplay H9 | Poly Blackwire 3320-M |
|---|
| Included Accessories | Carrying pouch, airplane adapter, micro-USB charging cable (30cm) | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 2 years | - |
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