In depth comparison and review of Sennheiser HD 4.40 and Poly Voyager 4220 USB-A. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser HD 4.40 | Poly Voyager 4220 USB-A |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless - USB | |
|---|---|---|---|
| Weight | - | 150 g | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Sennheiser HD 4.40 | Poly Voyager 4220 USB-A |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.1 | Poly Voyager 4220 USB-A have a more advanced version of Bluetooth than Sennheiser HD 4.40. |
| 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 | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 4.40 offer a larger frequency range than Poly Voyager 4220 USB-A. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | 94 dB | Sennheiser HD 4.40 have higher sensitivity than Poly Voyager 4220 USB-A. |
| Impedance | 18 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Sennheiser HD 4.40 | Poly Voyager 4220 USB-A |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | Uni-directional | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | 2 | Both headphones have a built-in microphone. |
| REMOTE CONTROL | Sennheiser HD 4.40 | Poly Voyager 4220 USB-A |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| FEATURES | Sennheiser HD 4.40 | Poly Voyager 4220 USB-A |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Poly Voyager 4220 USB-A |
|---|
| Battery Type | Headphone battery lithium polymer | 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) |
| OTHERS | Sennheiser HD 4.40 | Poly Voyager 4220 USB-A |
|---|
| Included Accessories | - | Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams |
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