In depth comparison and review of Sennheiser HMD 300 PRO and Poly Voyager 4220 Office (UC Series). 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 HMD 300 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headset - wired | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | 319 g | 150 g | Poly Voyager 4220 Office (UC Series) are lighter than Sennheiser HMD 300 PRO headphones. |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Sennheiser HMD 300 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HMD 300 PRO can be folded. |
| 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) | |
| Active Noise Cancelling | Yes | - | Sennheiser HMD 300 PRO are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 60 - 25000 Hz | 20 - 20000 Hz | Sennheiser HMD 300 PRO offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | 0.1% | - | |
| Sensitivity | 108 dB | 94 dB | Sennheiser HMD 300 PRO have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 64 Ohm | 32 Ohm | |
| Max Sound Pressure | 123 dB | - | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Sennheiser HMD 300 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | Uni-directional | |
| Frequency Response | 80 - 16000 Hz | - | |
| Sensitivity | 0.4 mV/Pascal | - | |
| Impedance | 300 Ohm | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser HMD 300 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| FEATURES | Sennheiser HMD 300 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | EPOS ActiveGard | Voice alerts |
|---|
| BATTERY AND CHARGING | Sennheiser HMD 300 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| 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) |
| OTHERS | Sennheiser HMD 300 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | Wind screen | Wireless headset system base, Bluetooth USB-C adapter |
|---|
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