Side by side comparison and review of Poly Voyager 4220 USB-A and Shure SRH940-EFS. 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 | Shure SRH940-EFS |
|---|
| Product Type | Headset - Bluetooth - wireless - USB | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 150 g | 322 g | Poly Voyager 4220 USB-A are lighter than Poly Voyager 4220 USB-A headphones. |
| Recommended Use | - | Professional audio, home audio | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 USB-A | Shure SRH940-EFS |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Shure SRH940-EFS can be folded. |
| 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) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 30000 Hz | Shure SRH940-EFS offer a larger frequency range than Poly Voyager 4220 USB-A. |
| Max Input Power | - | 1000 mW | |
| Sensitivity | 94 dB | 100 dB/mW | Shure SRH940-EFS have higher sensitivity than Poly Voyager 4220 USB-A. |
| Impedance | 32 Ohm | 42 Ohm | |
| Diaphragm | 32 mm | 40 mm | Shure SRH940-EFS have a thicker diaphragm than Poly Voyager 4220 USB-A. |
| Magnet Material | - | Neodymium magnet | |
| Features | SoundGuard Technology | - |
| MICROPHONE | Poly Voyager 4220 USB-A | Shure SRH940-EFS |
|---|
| Type | Boom | - | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 USB-A | Shure SRH940-EFS |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly Voyager 4220 USB-A | Shure SRH940-EFS |
|---|
| Cable Type | - | Headphones cable - detachable - coiled - 3 m Headphones cable - detachable |
|
|---|---|---|---|
| Cable Length | - | 3 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| FEATURES | Poly Voyager 4220 USB-A | Shure SRH940-EFS |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 USB-A | Shure SRH940-EFS |
|---|
| 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 | Shure SRH940-EFS |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Voyager 4220 USB-A | Shure SRH940-EFS |
|---|
| Included Accessories | Bluetooth USB adapter | Carrying case, 6.3 mm (1/4") stereo adapter, velour ear pads | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | - | Limited warranty - 2 years |
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