In depth comparison and review of Sony MDR ZX330BT 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 ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | 150 g | 150 g | Both headphones are equally heavy. |
| 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 ZX330BT. |
| SOUND QUALITY | Sony MDR ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sony MDR ZX330BT can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 3.0 | Bluetooth 4.1 | Poly Voyager 4220 Office (UC Series) have a more advanced version of Bluetooth than Sony MDR ZX330BT. |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Low Complexity Subband Coding (SBC) | 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 | - | 94 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 30 mm | 32 mm | Poly Voyager 4220 Office (UC Series) have a thicker diaphragm than Sony MDR ZX330BT. |
| Features | - | SoundGuard Technology |
| MICROPHONE | Sony MDR ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Stereo | Uni-directional | |
| Frequency Response | 100 - 4000 Hz | - | |
| Audio Input Details | Omni-directional - 100 - 4000 Hz | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sony MDR ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sony MDR ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | Micro-USB charge cable - 50 cm | - |
|---|
| FEATURES | Sony MDR ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | Sony MDR ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | 30 hours | 12 hour(s) | Sony MDR ZX330BT lasts longer on a single charge than the Poly Voyager 4220 Office (UC Series). |
| Battery Life Details | - | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
|
| Standby Time | 300 hours | 312 hours | Poly Voyager 4220 Office (UC Series) have longer standby time than Sony MDR ZX330BT. |
| Charging Time | 4 hours | 1.5 hour(s) | Poly Voyager 4220 Office (UC Series) recharge faster than Sony MDR ZX330BT. |
| WIRELESS LINK | Sony MDR ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Modulation Type | FHSS | - | |
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony MDR ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | Bluetooth | - |
|---|
| OTHERS | Sony MDR ZX330BT | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | - | Wireless headset system base, Bluetooth USB-C adapter |
|---|
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