Side by side comparison and review of Bang & Olufsen Beoplay H7 and Poly Blackwire 3220. 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 H7 | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | 22.5 cm | 17.8 cm | |
| Width | 19.7 cm | 15.5 cm | |
| Depth | 4 cm | 3.2 cm | |
| Weight | 280 g | 64 g | Poly Blackwire 3220 are lighter than Bang & Olufsen Beoplay H7 headphones. |
| Colour | Cenere grey | Black | Natural | Black | |
| Body Material | Aluminium, fabric, leather, polymer | - | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | Bang & Olufsen Beoplay H7 | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3220 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 22000 Hz | - | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | Bang & Olufsen Beoplay H7 have a thicker diaphragm than Poly Blackwire 3220. |
| Features | Bluetooth aptX technology | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bang & Olufsen Beoplay H7 | Poly Blackwire 3220 |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Audio Input Details | Omni-directional | - | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Bang & Olufsen Beoplay H7 | Poly Blackwire 3220 |
|---|
| Controls | Volume, play/pause, next/previous track | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Bang & Olufsen Beoplay H7 | Poly Blackwire 3220 |
|---|
| Cable Type | Headphones cable - 1.2 m Micro-USB charge cable - 25 cm |
USB-A cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - |
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H7 | Poly Blackwire 3220 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 770 mAh | - | |
| Battery Life | 20 hour(s) | - | |
| Charging Time | 2 hour(s) | - | |
| Included Qty | 1 | - |
| CONNECTIONS | Bang & Olufsen Beoplay H7 | Poly Blackwire 3220 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Bang & Olufsen Beoplay H7 | Poly Blackwire 3220 |
|---|
| Included Accessories | Carrying pouch | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 |
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