Detailed comparison and review of Bang & Olufsen Beoplay H9 and Poly Blackwire 3325. 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 3325 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | 22.5 cm | 18.6 cm | |
| Width | 19.7 cm | 21.6 cm | |
| Depth | 4 cm | 5.6 cm | |
| Weight | 285 g | 130 g | Poly Blackwire 3325 are lighter than Bang & Olufsen Beoplay H9 headphones. |
| Colour | Argilla grey | Black | - | |
| Body Material | Anodised aluminium | - | |
| Earpad Material | Leather | Leatherette | |
| Protection | - | Hearing protection | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Bang & Olufsen Beoplay H9 | Poly Blackwire 3325 |
|---|
| 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 | - | 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 3325. |
| Sensitivity | 93 dB/mW | 94 dB | Poly Blackwire 3325 have higher sensitivity than Bang & Olufsen Beoplay H9. |
| Impedance | 20 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 32 mm | Bang & Olufsen Beoplay H9 have a thicker diaphragm than Poly Blackwire 3325. |
| Features | Bluetooth aptX technology | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bang & Olufsen Beoplay H9 | Poly Blackwire 3325 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 3325 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Bang & Olufsen Beoplay H9 | Poly Blackwire 3325 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track, noise-cancellation suspend button | Mute, volume, answer/end |
|---|
| CABLE | Bang & Olufsen Beoplay H9 | Poly Blackwire 3325 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m | Headset cable |
|---|
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H9 | Poly Blackwire 3325 |
|---|
| 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 3325 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Bang & Olufsen Beoplay H9 | Poly Blackwire 3325 |
|---|
| Included Accessories | Carrying pouch, airplane adapter, micro-USB charging cable (30cm) | Carrying pouch | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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