In depth comparison and review of Poly - Plantronics Backbeat Pro 2 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 - Plantronics Backbeat Pro 2 | Sennheiser HD 250BT |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 289 g | 125 g | Sennheiser HD 250BT are lighter than Poly - Plantronics Backbeat Pro 2 headphones. |
| Colour | Black | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 100 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat Pro 2 | 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 4.0 EDR | Bluetooth 5.0 | Sennheiser HD 250BT have a more advanced version of Bluetooth than Poly - Plantronics Backbeat Pro 2. |
| 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 | |
| Active Noise Cancelling | Yes | - | Poly - Plantronics Backbeat Pro 2 are equipped with active noice cancellation. |
| 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 - Plantronics Backbeat Pro 2. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 93 dB | 110 dB | Sennheiser HD 250BT have higher sensitivity than Poly - Plantronics Backbeat Pro 2. |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | 32 mm | Poly - Plantronics Backbeat Pro 2 have a thicker diaphragm than Sennheiser HD 250BT. |
| Features | - | Audio prompts |
| MICROPHONE | Poly - Plantronics Backbeat Pro 2 | Sennheiser HD 250BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Poly - Plantronics Backbeat Pro 2 | Sennheiser HD 250BT |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call |
|---|
| CABLE | Poly - Plantronics Backbeat Pro 2 | Sennheiser HD 250BT |
|---|
| Cable Type | USB charge cable Headphones cable |
USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Poly - Plantronics Backbeat Pro 2 | Sennheiser HD 250BT |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 190 mAh | |
| Battery Life | 24 hour(s) | 25 hour(s) | Sennheiser HD 250BT lasts longer on a single charge than the Poly - Plantronics Backbeat Pro 2. |
| Charging Time | 3 hours | 3 hour(s) | The charging of both headphones last the same time. |
| WIRELESS LINK | Poly - Plantronics Backbeat Pro 2 | Sennheiser HD 250BT |
|---|
| Transmission Range | 100 m | - |
|---|
| CONNECTIONS | Poly - Plantronics Backbeat Pro 2 | Sennheiser HD 250BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Poly - Plantronics Backbeat Pro 2 | Sennheiser HD 250BT |
|---|
| Included Accessories | Travel pouch | USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone | |
| Compliant Standards | - | Bluetooth Class 1 |
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