In depth comparison and review of Sony MDR ZX220BT and Poly Voyager 4220 Office (UC Series). 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 Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | 130 g | 150 g | Sony MDR ZX220BT are lighter than Sony MDR ZX220BT headphones. |
| Colour | Grey | Blue | Black | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | 30 m | Poly Voyager 4220 Office (UC Series) have a greater operating distance than Sony MDR ZX220BT. |
| SOUND QUALITY | Sony MDR ZX220BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sony MDR ZX220BT can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.1 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 100 dB | 94 dB | Sony MDR ZX220BT have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 24 Ohm | 32 Ohm | |
| Diaphragm | 30 mm | 32 mm | Poly Voyager 4220 Office (UC Series) have a thicker diaphragm than Sony MDR ZX220BT. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Sony MDR ZX220BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | - | Uni-directional | |
| Frequency Response | 100 - 4000 Hz | - | |
| Audio Input Details | Omni-directional | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sony MDR ZX220BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | Volume control | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sony MDR ZX220BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | Micro-USB cable - detachable | - |
|---|
| FEATURES | Sony MDR ZX220BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | Sony MDR ZX220BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | 8 hour(s) | 12 hour(s) | Poly Voyager 4220 Office (UC Series) lasts longer on a single charge than the Sony MDR ZX220BT. |
| Battery Life Details | - | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
|
| Standby Time | 200 hours | 312 hours | Poly Voyager 4220 Office (UC Series) have longer standby time than Sony MDR ZX220BT. |
| Charging Time | 2.5 hour(s) | 1.5 hour(s) | Poly Voyager 4220 Office (UC Series) recharge faster than Sony MDR ZX220BT. |
| WIRELESS LINK | Sony MDR ZX220BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Modulation Type | FHSS | - | |
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony MDR ZX220BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | Bluetooth USB |
- |
|---|
| OTHERS | Sony MDR ZX220BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | - | Wireless headset system base, Bluetooth USB-C adapter |
|---|
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