In depth comparison and review of Poly Blackwire C225 and Bang & Olufsen Beoplay H9 3rd 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 Blackwire C225 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 20 cm | |
| Width | - | 19.7 cm | |
| Depth | - | 5.2 cm | |
| Weight | - | 285 g | |
| Colour | - | Chestnut | |
| Body Material | - | Stainless steel, aluminium | |
| Earpad Material | - | Leather | |
| Headband Material | Metal | - | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire C225 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Audio Codec | - | SBC, AAC, apt-X LL | |
| Active Noise Cancelling | - | Yes | Bang & Olufsen Beoplay H9 3rd Generation are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | Bang & Olufsen Beoplay H9 3rd Generation offer a larger frequency range than Poly Blackwire C225. |
| Sensitivity | - | 93 dB | |
| Impedance | - | 24 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C225 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire C225 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Controls | Mute, volume, answer/end | Volume, on/off, answer/end, play/pause, next/previous track, pair mode, voice assistant, noise-cancellation suspend button, ANC on/off |
|---|
| CABLE | Poly Blackwire C225 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Cable Type | Headset cable | Headphones cable - detachable - 1.2 m USB-C charge cable - detachable - 1.25 m |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire C225 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Google Assistant |
| BATTERY AND CHARGING | Poly Blackwire C225 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 1110 mAh | |
| Battery Life | - | 33 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 25 hours Continuous playback (noise cancelling OFF / Bluetooth): up to 32 hours Continuous playback (noise cancelling ON / cable connection): up to 33 hours |
|
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Poly Blackwire C225 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire C225 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Included Accessories | - | Carrying pouch, airplane adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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