Detailed comparison and review of Sennheiser HD 300 PROtect and Poly Voyager 4220 (Office Series). With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser HD 300 PROtect | Poly Voyager 4220 (Office Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | Office Series | |
| Weight | 297 g | 150 g | Poly Voyager 4220 (Office Series) are lighter than Sennheiser HD 300 PROtect headphones. |
| Bluetooth Range (Operating Distance) | - | 91 m |
| SOUND QUALITY | Sennheiser HD 300 PROtect | Poly Voyager 4220 (Office Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC | |
| Active Noise Cancelling | Yes | - | Sennheiser HD 300 PROtect are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 25000 Hz | 20 - 20000 Hz | Sennheiser HD 300 PROtect offer a larger frequency range than Poly Voyager 4220 (Office Series). |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Sensitivity | 108 dB | - | |
| Impedance | 64 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | Sennheiser HD 300 PROtect | Poly Voyager 4220 (Office Series) |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser HD 300 PROtect | Poly Voyager 4220 (Office Series) |
|---|
| Controls | - | Mute, volume, answer/end, next/previous track, redial |
|---|
| CABLE | Sennheiser HD 300 PROtect | Poly Voyager 4220 (Office Series) |
|---|
| Cable Type | Headphones cable - 1.55 m | - | |
|---|---|---|---|
| Cable Length | 1.55 m | - |
| FEATURES | Sennheiser HD 300 PROtect | Poly Voyager 4220 (Office Series) |
|---|
| Features | EPOS ActiveGard | Voice alerts |
|---|
| BATTERY AND CHARGING | Sennheiser HD 300 PROtect | Poly Voyager 4220 (Office Series) |
|---|
| Battery Type | - | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| 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 300 PROtect | Poly Voyager 4220 (Office Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (24 pin USB-C) |
|---|
| OTHERS | Sennheiser HD 300 PROtect | Poly Voyager 4220 (Office Series) |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams |
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