Side by side comparison and review of V7 HU521-2EP and Poly Voyager 4220. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | V7 HU521-2EP | Poly Voyager 4220 |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | 4200 UC Series | |
| Height | 18.8 cm | - | |
| Width | 6.8 cm | - | |
| Depth | 16.5 cm | - | |
| Weight | 172.5 g | 150 g | Poly Voyager 4220 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 |
|---|
| 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. |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | V7 HU521-2EP | Poly Voyager 4220 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Uni-directional, MEMS-directional | |
| Noise Cancelling | - | Yes | Poly Voyager 4220 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 6800 Hz | |
| Audio Input Details | Omni-directional - 300° | - | |
| Sensitivity | -44 dB | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | V7 HU521-2EP | Poly Voyager 4220 |
|---|
| Controls | Mute, volume | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | V7 HU521-2EP | Poly Voyager 4220 |
|---|
| Cable Type | Headset cable - 1.8 m | - | |
|---|---|---|---|
| Cable Length | 1.8 m | - |
| FEATURES | V7 HU521-2EP | Poly Voyager 4220 |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | V7 HU521-2EP | Poly Voyager 4220 |
|---|
| 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 |
|---|
| Connector Type | USB (4 PIN USB Type A) | - |
|---|
| OTHERS | V7 HU521-2EP | Poly Voyager 4220 |
|---|
| Included Accessories | - | Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Compliant Standards | FCC, RoHS | - | |
| Service & Support | Limited warranty - 2 years | - |
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