Detailed comparison and review of V7 HU521-2EP and Poly Voyager 4220 UC. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | V7 HU521-2EP | Poly Voyager 4220 UC |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | UC Series | |
| Height | 18.8 cm | - | |
| Width | 6.8 cm | - | |
| Depth | 16.5 cm | - | |
| Weight | 172.5 g | 150 g | Poly Voyager 4220 UC are lighter than V7 HU521-2EP headphones. |
| Colour | Black | - | |
| Recommended Use | Computer | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | V7 HU521-2EP | Poly Voyager 4220 UC |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, mSBC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 110 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 32 mm | V7 HU521-2EP have a thicker diaphragm than Poly Voyager 4220 UC. |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | V7 HU521-2EP | Poly Voyager 4220 UC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Audio Input Details | Omni-directional - 300° | - | |
| Sensitivity | -44 dB | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | V7 HU521-2EP | Poly Voyager 4220 UC |
|---|
| Controls | Mute, volume | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | V7 HU521-2EP | Poly Voyager 4220 UC |
|---|
| Cable Type | Headset cable - 1.8 m | - | |
|---|---|---|---|
| Cable Length | 1.8 m | - |
| FEATURES | V7 HU521-2EP | Poly Voyager 4220 UC |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | V7 HU521-2EP | Poly Voyager 4220 UC |
|---|
| Battery Type | - | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | - | 15 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
|
| Standby Time | - | 312 hours | |
| Charging Time | - | 1.5 hour(s) |
| CONNECTIONS | V7 HU521-2EP | Poly Voyager 4220 UC |
|---|
| Connector Type | USB (4 PIN USB Type A) | Wireless adapter (4 PIN USB Type A) |
|---|
| OTHERS | V7 HU521-2EP | Poly Voyager 4220 UC |
|---|
| Included Accessories | - | Bluetooth USB adapter, charging stand | |
|---|---|---|---|
| Compliant Standards | FCC, RoHS | - | |
| Service & Support | Limited warranty - 2 years | - |
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