Side by side comparison and review of Poly Voyager 4220 USB-A and Poly Blackwire 3320-M. 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 | Poly Voyager 4220 USB-A | Poly Blackwire 3320-M |
|---|
| Product Type | Headset - Bluetooth - wireless - USB | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 150 g | 130 g | Poly Blackwire 3320-M are lighter than Poly Voyager 4220 USB-A headphones. |
| Colour | - | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 USB-A | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Poly Voyager 4220 USB-A. |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Features | SoundGuard Technology | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Voyager 4220 USB-A | Poly Blackwire 3320-M |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 USB-A | Poly Blackwire 3320-M |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Mute, volume, answer/end |
|---|
| FEATURES | Poly Voyager 4220 USB-A | Poly Blackwire 3320-M |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 USB-A | Poly Blackwire 3320-M |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| 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 | Poly Voyager 4220 USB-A | Poly Blackwire 3320-M |
|---|
| Connector Type | - | USB (24 pin USB-C) |
|---|
| OTHERS | Poly Voyager 4220 USB-A | Poly Blackwire 3320-M |
|---|
| Included Accessories | Bluetooth USB adapter | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | Certified for Microsoft Teams | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS |
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