In depth comparison and review of Sennheiser HD 4.50 BTNC Wireless 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 4.50 BTNC Wireless | Poly - Plantronics Backbeat FIT 505 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 6.726 cm | |
| Width | - | 14.877 cm | |
| Depth | - | 17.155 cm | |
| Weight | 238 g | 155 g | Poly - Plantronics Backbeat FIT 505 are lighter than Sennheiser HD 4.50 BTNC Wireless headphones. |
| Colour | - | Black | |
| Earpad Material | - | Memory foam | |
| Headband Material | - | Memory foam | |
| Protection | - | Moisture-resistant, sweat-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat FIT 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 FIT 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) | 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 | 50 - 20000 Hz | Sennheiser HD 4.50 BTNC Wireless offer a larger frequency range than Poly - Plantronics Backbeat FIT 505. |
| Total Harmonic Distortion (THD) | <0.5% | <3% | Sennheiser HD 4.50 BTNC Wireless have lower total harmonic distortion than Sennheiser HD 4.50 BTNC Wireless. |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat FIT 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 FIT 505 |
|---|
| Controls | Power on/off, volume control, answer/end, hold, play/pause, next/previous track, reject call, redial | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat FIT 505 |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.4 m Micro-USB charge cable - detachable |
Micro-USB charge cable Audio cable |
|
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat FIT 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 FIT 505. |
| Standby Time | - | 480 hours | |
| Charging Time | 2 hour(s) | 1.5 hour(s) | Poly - Plantronics Backbeat FIT 505 recharge faster than Sennheiser HD 4.50 BTNC Wireless. |
| WIRELESS LINK | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat FIT 505 |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat FIT 505 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat FIT 505 |
|---|
| Included Accessories | Carrying case, micro-USB charging cable | - |
|---|
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