In depth comparison and review of Sennheiser HD 4.40 and Poly - Plantronics Backbeat Pro 2 SE. 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 4.40 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 289 g | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 100 m |
| SOUND QUALITY | Sennheiser HD 4.40 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | Poly - Plantronics Backbeat Pro 2 SE are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 4.40 offer a larger frequency range than Poly - Plantronics Backbeat Pro 2 SE. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | 93 dB | Sennheiser HD 4.40 have higher sensitivity than Poly - Plantronics Backbeat Pro 2 SE. |
| Impedance | 18 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Sennheiser HD 4.40 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| CABLE | Sennheiser HD 4.40 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Cable Type | - | USB charge cable Headphones cable |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Battery Type | Headphone battery lithium polymer | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 680 mAh | |
| Battery Life | - | 24 hour(s) | |
| Standby Time | - | 4380 hours | |
| Charging Time | - | 3 hours |
| CONNECTIONS | Sennheiser HD 4.40 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 4.40 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Included Accessories | - | Travel pouch |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
