In depth comparison and review of Sennheiser HD 4.50 BTNC Wireless and Poly - Plantronics Backbeat GO 605. 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 GO 605 |
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| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 238 g | 175 g | Poly - Plantronics Backbeat GO 605 are lighter than Sennheiser HD 4.50 BTNC Wireless headphones. |
| Colour | - | Black | |
| Earpad Material | - | Memory foam | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat GO 605 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| 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 GO 605 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) | |
| Bluetooth Audio Codec | - | SBC | |
| 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 | - | |
| Frequency Response | 18 - 22000 Hz | 50 - 20000 Hz | Sennheiser HD 4.50 BTNC Wireless offer a larger frequency range than Poly - Plantronics Backbeat GO 605. |
| 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 | 92 dB | Sennheiser HD 4.50 BTNC Wireless have higher sensitivity than Poly - Plantronics Backbeat GO 605. |
| Impedance | 18 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly - Plantronics Backbeat GO 605 have the ability to connect to multiple devices simultaneously. |
| Magnet Material | Neodymium | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat GO 605 |
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| 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 GO 605 |
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| Controls | Power on/off, volume control, answer/end, hold, play/pause, next/previous track, reject call, redial | Play/pause, next/previous track |
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| CABLE | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat GO 605 |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.4 m Micro-USB charge cable - detachable |
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 GO 605 |
|---|
| 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 GO 605. |
| Standby Time | - | 480 hours | |
| Charging Time | 2 hour(s) | 90 min | Poly - Plantronics Backbeat GO 605 recharge faster than Sennheiser HD 4.50 BTNC Wireless. |
| CONNECTIONS | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat GO 605 |
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| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser HD 4.50 BTNC Wireless | Poly - Plantronics Backbeat GO 605 |
|---|
| Included Accessories | Carrying case, micro-USB charging cable | Carrying pouch |
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