In depth comparison and review of Sony MDR ZX220BT and Poly Voyager 4220 (Office 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 Series) |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | Office 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 | 91 m | Poly Voyager 4220 (Office Series) have a greater operating distance than Sony MDR ZX220BT. |
| SOUND QUALITY | Sony MDR ZX220BT | Poly Voyager 4220 (Office 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 5.0 | Poly Voyager 4220 (Office Series) have a more advanced version of Bluetooth than Sony MDR ZX220BT. |
| 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) | |
| Bluetooth Audio Codec | - | SBC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 100 dB | - | |
| Impedance | 24 Ohm | 32 Ohm | |
| Diaphragm | 30 mm | 32 mm | Poly Voyager 4220 (Office Series) have a thicker diaphragm than Sony MDR ZX220BT. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | Sony MDR ZX220BT | Poly Voyager 4220 (Office 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 Series) |
|---|
| Controls | Volume control | Mute, volume, answer/end, next/previous track, redial |
|---|
| CABLE | Sony MDR ZX220BT | Poly Voyager 4220 (Office Series) |
|---|
| Cable Type | Micro-USB cable - detachable | - |
|---|
| FEATURES | Sony MDR ZX220BT | Poly Voyager 4220 (Office Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | Sony MDR ZX220BT | Poly Voyager 4220 (Office Series) |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | 8 hour(s) | 12 hour(s) | Poly Voyager 4220 (Office 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 Series) have longer standby time than Sony MDR ZX220BT. |
| Charging Time | 2.5 hour(s) | 1.5 hour(s) | Poly Voyager 4220 (Office Series) recharge faster than Sony MDR ZX220BT. |
| WIRELESS LINK | Sony MDR ZX220BT | Poly Voyager 4220 (Office Series) |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Modulation Type | FHSS | - | |
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony MDR ZX220BT | Poly Voyager 4220 (Office Series) |
|---|
| Connector Type | Bluetooth USB |
USB (24 pin USB-C) |
|---|
| OTHERS | Sony MDR ZX220BT | Poly Voyager 4220 (Office Series) |
|---|
| Software Certification | - | Certified for Microsoft Teams |
|---|
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