In depth comparison and review of Bang & Olufsen Beoplay H4 and Poly Blackwire 3220. 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 | Bang & Olufsen Beoplay H4 | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | 22 cm | 17.8 cm | |
| Width | 19.4 cm | 15.5 cm | |
| Depth | 5 cm | 3.2 cm | |
| Weight | 235 g | 64 g | Poly Blackwire 3220 are lighter than Bang & Olufsen Beoplay H4 headphones. |
| Colour | Black | Charcoal grey | Sandstone | Tangerine | Violet | Black | |
| Body Material | Stainless steel, aluminium | - | |
| Earpad Material | Leather | Artificial leather | |
| Headband Material | Leather | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Bang & Olufsen Beoplay H4 | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| 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 | 91 dB/mW | 90 dB | Bang & Olufsen Beoplay H4 have higher sensitivity than Poly Blackwire 3220. |
| Impedance | 20 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | Bang & Olufsen Beoplay H4 have a thicker diaphragm than Poly Blackwire 3220. |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bang & Olufsen Beoplay H4 | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Audio Input Details | Omni-directional | - | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Bang & Olufsen Beoplay H4 | Poly Blackwire 3220 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track, pair mode | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Bang & Olufsen Beoplay H4 | Poly Blackwire 3220 |
|---|
| Cable Type | Headphones cable - braided fabric - 1.25 m | USB-A cable | |
|---|---|---|---|
| Cable Length | 1.25 m | - |
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H4 | Poly Blackwire 3220 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 600 mAh | - | |
| Battery Life | 19 hour(s) | - | |
| Charging Time | 2.5 hour(s) | - |
| WIRELESS LINK | Bang & Olufsen Beoplay H4 | Poly Blackwire 3220 |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Bang & Olufsen Beoplay H4 | Poly Blackwire 3220 |
|---|
| Connector Type | Headphones (mini-phone 3.5mm) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Bang & Olufsen Beoplay H4 | Poly Blackwire 3220 |
|---|
| Included Accessories | USB charging cable (25cm) | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Service & Support | Limited warranty - 2 years | - |
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