Detailed comparison and review of V7 HU521-2EP and Poly Voyager 4220 (Office Series). 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 (Office Series) |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | Office Series | |
| Height | 18.8 cm | - | |
| Width | 6.8 cm | - | |
| Depth | 16.5 cm | - | |
| Weight | 172.5 g | 150 g | Poly Voyager 4220 (Office Series) are lighter than V7 HU521-2EP headphones. |
| Colour | Black | - | |
| Recommended Use | Computer | - | |
| Bluetooth Range (Operating Distance) | - | 91 m |
| SOUND QUALITY | V7 HU521-2EP | Poly Voyager 4220 (Office Series) |
|---|
| 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 | |
| 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 (Office Series). |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | V7 HU521-2EP | Poly Voyager 4220 (Office Series) |
|---|
| 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 (Office Series) |
|---|
| Controls | Mute, volume | Mute, volume, answer/end, next/previous track, redial |
|---|
| CABLE | V7 HU521-2EP | Poly Voyager 4220 (Office Series) |
|---|
| Cable Type | Headset cable - 1.8 m | - | |
|---|---|---|---|
| Cable Length | 1.8 m | - |
| FEATURES | V7 HU521-2EP | Poly Voyager 4220 (Office Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | V7 HU521-2EP | Poly Voyager 4220 (Office Series) |
|---|
| Battery Type | - | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | - | 12 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 (Office Series) |
|---|
| Connector Type | USB (4 PIN USB Type A) | USB (24 pin USB-C) |
|---|
| OTHERS | V7 HU521-2EP | Poly Voyager 4220 (Office Series) |
|---|
| Software Certification | - | Certified for Microsoft Teams | |
|---|---|---|---|
| Compliant Standards | FCC, RoHS | - | |
| Service & Support | Limited warranty - 2 years | - |
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