In depth comparison and review of Sony MDR ZX220BT and Poly EncorePro 720D. 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 EncorePro 720D |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | EncorePro 700 Series | |
| Weight | 130 g | 78 g | Poly EncorePro 720D are lighter than Sony MDR ZX220BT headphones. |
| Colour | Grey | Blue | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sony MDR ZX220BT | Poly EncorePro 720D |
|---|
| Headphones Form Factor | On-ear | On-ear binaural | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| 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) | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 24 Ohm | - | |
| Diaphragm | 30 mm | 28 mm | Sony MDR ZX220BT have a thicker diaphragm than Poly EncorePro 720D. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Sony MDR ZX220BT | Poly EncorePro 720D |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 720D microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 4000 Hz | 100 - 6800 Hz | Poly EncorePro 720D offer a larger microphone frequency range than Sony MDR ZX220BT. |
| Audio Input Details | Omni-directional | - |
| REMOTE CONTROL | Sony MDR ZX220BT | Poly EncorePro 720D |
|---|
| Controls | Volume control | - |
|---|
| CABLE | Sony MDR ZX220BT | Poly EncorePro 720D |
|---|
| Cable Type | Micro-USB cable - detachable | - | |
|---|---|---|---|
| Cable Length | - | 89 cm |
| FEATURES | Sony MDR ZX220BT | Poly EncorePro 720D |
|---|
| Features | - | Quick Disconnect, 290° rotatable microphone, boom mic length 120-145 mm |
|---|
| BATTERY AND CHARGING | Sony MDR ZX220BT | Poly EncorePro 720D |
|---|
| 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 EncorePro 720D |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Modulation Type | FHSS | - | |
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony MDR ZX220BT | Poly EncorePro 720D |
|---|
| Connector Type | Bluetooth USB |
USB (USB Type-A) |
|---|
| OTHERS | Sony MDR ZX220BT | Poly EncorePro 720D |
|---|
| TAA Compliant | - | Yes |
|---|
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