In depth comparison and review of Sony MDR ZX220BT and Poly EncorePro 520V. 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 520V |
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Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - 3.5 mm jack | |
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Series | - | EncorePro 500 series | |
Height | - | 6.7 cm | |
Width | - | 11.1 cm | |
Depth | - | 14.9 cm | |
Weight | 130 g | 74 g | Poly EncorePro 520V 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 520V |
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Headphones Form Factor | On-ear | On-ear | |
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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) | - | |
Active Noise Cancelling | - | Yes | Poly EncorePro 520V are equipped with active noice cancellation. |
Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
Sound Output Mode | Stereo | - | |
Frequency Response | 20 - 20000 Hz | - | |
Sensitivity | 100 dB | - | |
Impedance | 24 Ohm | - | |
Diaphragm | 30 mm | 5.6 mm | Sony MDR ZX220BT have a thicker diaphragm than Poly EncorePro 520V. |
Signal-To-Noise Ratio | - | 50 dB | |
Magnet Material | Neodymium | - |
MICROPHONE | Sony MDR ZX220BT | Poly EncorePro 520V |
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Form Factor | Built-in | - | |
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Type | - | Boom | |
Microphone Technology | Electret condenser | - | |
Microphone Operation Mode | - | Omni-directional | |
Noise Cancelling | - | Yes | Poly EncorePro 520V microphone can cancel out ambient noise. |
Frequency Response | 100 - 4000 Hz | 20 - 16000 Hz | Poly EncorePro 520V offer a larger microphone frequency range than Sony MDR ZX220BT. |
Audio Input Details | Omni-directional | - | |
Sensitivity | - | 40 dB | |
Sensitivity Margin | - | +/- 3dB |
REMOTE CONTROL | Sony MDR ZX220BT | Poly EncorePro 520V |
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Controls | Volume control | - |
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CABLE | Sony MDR ZX220BT | Poly EncorePro 520V |
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Cable Type | Micro-USB cable - detachable | - | |
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Cable Length | - | 78.5 cm |
FEATURES | Sony MDR ZX220BT | Poly EncorePro 520V |
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Features | - | Boom mic length 135mm, 290° rotatable microphone |
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BATTERY AND CHARGING | Sony MDR ZX220BT | Poly EncorePro 520V |
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Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
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Battery Life | 8 hour(s) | - | |
Standby Time | 200 hours | - | |
Charging Time | 2.5 hour(s) | - |
WIRELESS LINK | Sony MDR ZX220BT | Poly EncorePro 520V |
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Transmission Range | 10 m | - | |
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Modulation Type | FHSS | - | |
Radio Frequency Range | 2.4 - 2.4835GHz | - |
CONNECTIONS | Sony MDR ZX220BT | Poly EncorePro 520V |
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Connector Type | Bluetooth USB |
Headset (mini-phone 3.5mm) |
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OTHERS | Sony MDR ZX220BT | Poly EncorePro 520V |
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Software Certification | - | Certified for Skype for Business, UC certified | |
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Supported Host Device OS | - | macOS, Windows | |
Service & Support | - | Limited warranty - 2 years |