In depth comparison and review of Poly Voyager 4220 and Sennheiser HD 250BT. 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 | Poly Voyager 4220 | Sennheiser HD 250BT |
|---|
| Product Type | Headset - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 4200 UC Series | - | |
| Weight | 150 g | 125 g | Sennheiser HD 250BT are lighter than Poly Voyager 4220 headphones. |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 | Sennheiser HD 250BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, mSBC | SBC, AAC, aptX, apt-X LL | |
| Noise Isolating | - | Yes | Sennheiser HD 250BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 22000 Hz | Sennheiser HD 250BT offer a larger frequency range than Poly Voyager 4220. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | - | 110 dB | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Features | SoundGuard DIGITAL Technology | Audio prompts |
| MICROPHONE | Poly Voyager 4220 | Sennheiser HD 250BT |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | Uni-directional, MEMS-directional | Omni-directional | |
| Noise Cancelling | Yes | - | Poly Voyager 4220 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 6800 Hz | 100 - 10000 Hz | Sennheiser HD 250BT offer a larger microphone frequency range than Poly Voyager 4220. |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 | Sennheiser HD 250BT |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call |
|---|
| CABLE | Poly Voyager 4220 | Sennheiser HD 250BT |
|---|
| Cable Type | - | USB-C charge cable - detachable |
|---|
| FEATURES | Poly Voyager 4220 | Sennheiser HD 250BT |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 | Sennheiser HD 250BT |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 360 mAh | 190 mAh | Poly Voyager 4220 have a higher battery capacity than Sennheiser HD 250BT. |
| Battery Life | 15 hour(s) | 25 hour(s) | Sennheiser HD 250BT lasts longer on a single charge than the Poly Voyager 4220. |
| 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) | 3 hour(s) | Poly Voyager 4220 recharge faster than Poly Voyager 4220. |
| OTHERS | Poly Voyager 4220 | Sennheiser HD 250BT |
|---|
| Included Accessories | Bluetooth USB adapter | USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone | |
| Software Certification | Certified for Microsoft Teams | - | |
| Compliant Standards | - | Bluetooth Class 1 |
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