Side by side comparison and review of Sennheiser HD 559 and Poly - Plantronics Backbeat Pro 2. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 559 | Poly - Plantronics Backbeat Pro 2 |
|---|
| Product Type | Headphones - wired | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | HD 5 | - | |
| Weight | - | 289 g | |
| Colour | Black | Black | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 100 m |
| SOUND QUALITY | Sennheiser HD 559 | Poly - Plantronics Backbeat Pro 2 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 EDR | |
| 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 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 14 - 26000 Hz | 20 - 20000 Hz | Sennheiser HD 559 offer a larger frequency range than Poly - Plantronics Backbeat Pro 2. |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 108 dB/Vrms | 93 dB | Sennheiser HD 559 have higher sensitivity than Poly - Plantronics Backbeat Pro 2. |
| Impedance | 50 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Sennheiser HD 559 | Poly - Plantronics Backbeat Pro 2 |
|---|
| Form Factor | - | Built-in |
|---|
| REMOTE CONTROL | Sennheiser HD 559 | Poly - Plantronics Backbeat Pro 2 |
|---|
| Controls | - | Volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 559 | Poly - Plantronics Backbeat Pro 2 |
|---|
| Cable Type | Headphones cable - 3 m | USB charge cable Headphones cable |
|
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Sennheiser HD 559 | Poly - Plantronics Backbeat Pro 2 |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Life | - | 24 hour(s) | |
| Charging Time | - | 3 hours |
| WIRELESS LINK | Sennheiser HD 559 | Poly - Plantronics Backbeat Pro 2 |
|---|
| Transmission Range | - | 100 m |
|---|
| CONNECTIONS | Sennheiser HD 559 | Poly - Plantronics Backbeat Pro 2 |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 559 | Poly - Plantronics Backbeat Pro 2 |
|---|
| Included Accessories | - | Travel pouch |
|---|
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