In depth comparison and review of Sony MDR ZX220BT and Poly Blackwire 3320-M. 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 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 130 g | 130 g | Both headphones are equally heavy. |
| Colour | Grey | Blue | Black | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony MDR ZX220BT | Poly Blackwire 3320-M |
|---|
| 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 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 100 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Sony MDR ZX220BT. |
| Impedance | 24 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 30 mm | 32 mm | Poly Blackwire 3320-M have a thicker diaphragm than Sony MDR ZX220BT. |
| Magnet Material | Neodymium | - | |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sony MDR ZX220BT | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Frequency Response | 100 - 4000 Hz | 100 - 10000 Hz | Poly Blackwire 3320-M offer a larger microphone frequency range than Sony MDR ZX220BT. |
| Audio Input Details | Omni-directional | - | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Sony MDR ZX220BT | Poly Blackwire 3320-M |
|---|
| Controls | Volume control | Mute, volume, answer/end |
|---|
| CABLE | Sony MDR ZX220BT | Poly Blackwire 3320-M |
|---|
| Cable Type | Micro-USB cable - detachable | - |
|---|
| BATTERY AND CHARGING | Sony MDR ZX220BT | Poly Blackwire 3320-M |
|---|
| 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 3320-M |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Modulation Type | FHSS | - | |
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony MDR ZX220BT | Poly Blackwire 3320-M |
|---|
| Connector Type | Bluetooth USB |
USB (24 pin USB-C) |
|---|
| OTHERS | Sony MDR ZX220BT | Poly Blackwire 3320-M |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS |
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