Side by side comparison and review of Sennheiser HD 579 (HD 500) and Poly Voyager 4220 USB-A. 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 | Sennheiser HD 579 (HD 500) | Poly Voyager 4220 USB-A |
|---|
| Product Type | Headphones - wired | Headset - Bluetooth - wireless - USB | |
|---|---|---|---|
| Series | HD 500 | - | |
| Weight | - | 150 g | |
| Colour | Silver | - | |
| Recommended Use | Home audio | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Sennheiser HD 579 (HD 500) | Poly Voyager 4220 USB-A |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | Wireless | |
| 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 | 15 - 28000 Hz | 20 - 20000 Hz | Sennheiser HD 579 (HD 500) offer a larger frequency range than Poly Voyager 4220 USB-A. |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | - | 94 dB | |
| Impedance | 50 Ohm | 32 Ohm | |
| Max Sound Pressure | 106 dB | - | |
| Diaphragm | - | 32 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Sennheiser HD 579 (HD 500) | Poly Voyager 4220 USB-A |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser HD 579 (HD 500) | Poly Voyager 4220 USB-A |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 579 (HD 500) | Poly Voyager 4220 USB-A |
|---|
| Cable Type | Headphones cable - 3 m | - | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser HD 579 (HD 500) | Poly Voyager 4220 USB-A |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | Sennheiser HD 579 (HD 500) | Poly Voyager 4220 USB-A |
|---|
| 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 | Sennheiser HD 579 (HD 500) | Poly Voyager 4220 USB-A |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
| OTHERS | Sennheiser HD 579 (HD 500) | Poly Voyager 4220 USB-A |
|---|
| Included Accessories | 6.3 mm to 3.5 mm adapter | Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Service & Support | Limited warranty - 2 years | - |
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