In depth comparison and review of Sennheiser HD 559 and Poly - Plantronics Backbeat FIT 505. 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 559 | Poly - Plantronics Backbeat FIT 505 |
|---|
| Product Type | Headphones - wired | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | HD 5 | - | |
| Height | - | 6.726 cm | |
| Width | - | 14.877 cm | |
| Depth | - | 17.155 cm | |
| Weight | - | 155 g | |
| Colour | Black | Black | |
| Earpad Material | - | Memory foam | |
| Headband Material | - | Memory foam | |
| Protection | - | Moisture-resistant, sweat-resistant | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 559 | Poly - Plantronics Backbeat FIT 505 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 14 - 26000 Hz | 50 - 20000 Hz | Sennheiser HD 559 offer a larger frequency range than Poly - Plantronics Backbeat FIT 505. |
| Total Harmonic Distortion (THD) | 0.2% | <3% | Sennheiser HD 559 have lower total harmonic distortion than Sennheiser HD 559. |
| Sensitivity | 108 dB/Vrms | - | |
| Impedance | 50 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Sennheiser HD 559 | Poly - Plantronics Backbeat FIT 505 |
|---|
| Form Factor | - | Built-in |
|---|
| REMOTE CONTROL | Sennheiser HD 559 | Poly - Plantronics Backbeat FIT 505 |
|---|
| Controls | - | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 559 | Poly - Plantronics Backbeat FIT 505 |
|---|
| Cable Type | Headphones cable - 3 m | Micro-USB charge cable Audio cable |
|
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Sennheiser HD 559 | Poly - Plantronics Backbeat FIT 505 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 18 hour(s) | |
| Standby Time | - | 480 hours | |
| Charging Time | - | 1.5 hour(s) |
| WIRELESS LINK | Sennheiser HD 559 | Poly - Plantronics Backbeat FIT 505 |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Sennheiser HD 559 | Poly - Plantronics Backbeat FIT 505 |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
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