In depth comparison and review of Sony MDR ZX220BT 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 | Sony MDR ZX220BT | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 130 g | 64 g | Poly Blackwire 3220 are lighter than Sony MDR ZX220BT headphones. |
| Colour | Grey | Blue | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony MDR ZX220BT | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sony MDR ZX220BT can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| 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 - 20000 Hz | - | |
| Sensitivity | 100 dB | 90 dB | Sony MDR ZX220BT have higher sensitivity than Poly Blackwire 3220. |
| Impedance | 24 Ohm | 32 Ohm | |
| Diaphragm | 30 mm | 28 mm | Sony MDR ZX220BT have a thicker diaphragm than Poly Blackwire 3220. |
| Magnet Material | Neodymium | - | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sony MDR ZX220BT | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 4000 Hz | 100 - 10000 Hz | Poly Blackwire 3220 offer a larger microphone frequency range than Sony MDR ZX220BT. |
| Audio Input Details | Omni-directional | - | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Sony MDR ZX220BT | Poly Blackwire 3220 |
|---|
| Controls | Volume control | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Sony MDR ZX220BT | Poly Blackwire 3220 |
|---|
| Cable Type | Micro-USB cable - detachable | USB-A cable |
|---|
| BATTERY AND CHARGING | Sony MDR ZX220BT | Poly Blackwire 3220 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 8 hour(s) | - | |
| Standby Time | 200 hours | - | |
| Charging Time | 2.5 hour(s) | - |
| WIRELESS LINK | Sony MDR ZX220BT | Poly Blackwire 3220 |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Modulation Type | FHSS | - | |
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony MDR ZX220BT | Poly Blackwire 3220 |
|---|
| Connector Type | Bluetooth USB |
USB (4 PIN USB Type A) |
|---|
| OTHERS | Sony MDR ZX220BT | Poly Blackwire 3220 |
|---|
| 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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