In depth comparison and review of Sennheiser HD 250BT and Poly EncorePro 720D. 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 EncorePro 720D |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | EncorePro 700 Series | |
| Weight | 125 g | 78 g | Poly EncorePro 720D are lighter than Sennheiser HD 250BT headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 250BT | Poly EncorePro 720D |
|---|
| Headphones Form Factor | On-ear | On-ear binaural | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wired | |
| 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, AAC, aptX, apt-X LL | - | |
| Noise Isolating | Yes | - | Sennheiser HD 250BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Sensitivity | 110 dB | - | |
| Diaphragm | 32 mm | 28 mm | Sennheiser HD 250BT have a thicker diaphragm than Poly EncorePro 720D. |
| Features | Audio prompts | SoundGuard Technology |
| MICROPHONE | Sennheiser HD 250BT | Poly EncorePro 720D |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 720D microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 10000 Hz | 100 - 6800 Hz | Sennheiser HD 250BT offer a larger microphone frequency range than Poly EncorePro 720D. |
| REMOTE CONTROL | Sennheiser HD 250BT | Poly EncorePro 720D |
|---|
| Controls | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call | - |
|---|
| CABLE | Sennheiser HD 250BT | Poly EncorePro 720D |
|---|
| Cable Type | USB-C charge cable - detachable | - | |
|---|---|---|---|
| Cable Length | - | 89 cm |
| FEATURES | Sennheiser HD 250BT | Poly EncorePro 720D |
|---|
| Features | - | Quick Disconnect, 290° rotatable microphone, boom mic length 120-145 mm |
|---|
| BATTERY AND CHARGING | Sennheiser HD 250BT | Poly EncorePro 720D |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Capacity | 190 mAh | - | |
| Battery Life | 25 hour(s) | - | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Sennheiser HD 250BT | Poly EncorePro 720D |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 250BT | Poly EncorePro 720D |
|---|
| Included Accessories | USB-C charging cable | - | |
|---|---|---|---|
| Compatibility | iPhone, Android phone | - | |
| Compliant Standards | Bluetooth Class 1 | - | |
| TAA Compliant | - | Yes |
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