In depth comparison and review of Sennheiser HD 250BT and Poly Voyager 4220 UC, USB-C, Microsoft Teams. 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 250BT | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless - USB-C via Bluetooth adapter | |
|---|---|---|---|
| Weight | 125 g | 150 g | Sennheiser HD 250BT are lighter than Sennheiser HD 250BT headphones. |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Sennheiser HD 250BT | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| 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, AAC, aptX, apt-X LL | SBC, mSBC | |
| Noise Isolating | Yes | - | Sennheiser HD 250BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 250BT offer a larger frequency range than Poly Voyager 4220 UC, USB-C, Microsoft Teams. |
| 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 | Audio prompts | SoundGuard DIGITAL Technology |
| MICROPHONE | Sennheiser HD 250BT | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Form Factor | Built-in | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | Uni-directional | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser HD 250BT | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Controls | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | Sennheiser HD 250BT | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Cable Type | USB-C charge cable - detachable | - |
|---|
| FEATURES | Sennheiser HD 250BT | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | Sennheiser HD 250BT | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Battery Type | Headphone battery rechargeable | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 190 mAh | 360 mAh | Poly Voyager 4220 UC, USB-C, Microsoft Teams have a higher battery capacity than Sennheiser HD 250BT. |
| Battery Life | 25 hour(s) | 15 hour(s) | Sennheiser HD 250BT lasts longer on a single charge than the Poly Voyager 4220 UC, USB-C, Microsoft Teams. |
| Battery Life Details | - | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
|
| Standby Time | - | 312 hours | |
| Charging Time | 3 hour(s) | 1.5 hour(s) | Poly Voyager 4220 UC, USB-C, Microsoft Teams recharge faster than Sennheiser HD 250BT. |
| CONNECTIONS | Sennheiser HD 250BT | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Connector Type | - | Wireless adapter (USB Type-C) |
|---|
| OTHERS | Sennheiser HD 250BT | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Included Accessories | USB-C charging cable | Bluetooth USB-C adapter | |
|---|---|---|---|
| Compatibility | iPhone, Android phone | - | |
| Compliant Standards | Bluetooth Class 1 | - |
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