Detailed comparison and review of Sennheiser HD 4.50 BTNC Wireless and Poly - Plantronics Backbeat 505. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat 505 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Series | - | 500 Series | |
| Weight | 238 g | 155 g | Poly - Plantronics Backbeat 505 are lighter than Sennheiser HD 4.50 BTNC Wireless headphones. |
| Colour | - | Dark grey | |
| Earpad Material | - | Memory foam | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat 505 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 4.50 BTNC Wireless can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.1 | Poly - Plantronics Backbeat 505 have a more advanced version of Bluetooth than Sennheiser HD 4.50 BTNC Wireless. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | Yes | - | Sennheiser HD 4.50 BTNC Wireless are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | - | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat 505 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat 505 |
|---|
| Controls | Power on/off, volume control, answer/end, hold, play/pause, next/previous track, reject call, redial | Volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat 505 |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.4 m Micro-USB charge cable - detachable |
- | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat 505 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 600 mAh | - | |
| Battery Life | 25 hour(s) | 18 hour(s) | Sennheiser HD 4.50 BTNC Wireless lasts longer on a single charge than the Poly - Plantronics Backbeat 505. |
| Charging Time | 2 hour(s) | - |
| WIRELESS LINK | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat 505 |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat 505 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat 505 |
|---|
| Included Accessories | Carrying case, micro-USB charging cable | - |
|---|
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