In depth comparison and review of Poly - Plantronics Backbeat GO 605 and Sennheiser HD 400S. 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 | Poly - Plantronics Backbeat GO 605 | Sennheiser HD 400S |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 175 g | 217 g | Poly - Plantronics Backbeat GO 605 are lighter than Poly - Plantronics Backbeat GO 605 headphones. |
| Colour | Black | Black | |
| Earpad Material | Memory foam | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat GO 605 | Sennheiser HD 400S |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 400S can be folded. |
| Connectivity Technology | Wireless | Wired | |
| 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) | - | |
| Bluetooth Audio Codec | SBC | - | |
| Noise Isolating | - | Yes | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 50 - 20000 Hz | 18 - 20000 Hz | Sennheiser HD 400S offer a larger frequency range than Poly - Plantronics Backbeat GO 605. |
| Total Harmonic Distortion (THD) | <3% | 0.5% | Sennheiser HD 400S have lower total harmonic distortion than Poly - Plantronics Backbeat GO 605. |
| Sensitivity | 92 dB | - | |
| Impedance | 32 Ohm | 18 Ohm | |
| Max Sound Pressure | - | 120 dB | |
| Diaphragm | 40 mm | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | 2 | - | Poly - Plantronics Backbeat GO 605 have the ability to connect to multiple devices simultaneously. |
| MICROPHONE | Poly - Plantronics Backbeat GO 605 | Sennheiser HD 400S |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Poly - Plantronics Backbeat GO 605 | Sennheiser HD 400S |
|---|
| Controls | Play/pause, next/previous track | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Poly - Plantronics Backbeat GO 605 | Sennheiser HD 400S |
|---|
| Cable Type | USB charge cable Audio cable |
Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | |
|---|---|---|---|
| Cable Length | - | 1.4 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat GO 605 | Sennheiser HD 400S |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 18 hour(s) | - | |
| Standby Time | 480 hours | - | |
| Charging Time | 90 min | - |
| CONNECTIONS | Poly - Plantronics Backbeat GO 605 | Sennheiser HD 400S |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly - Plantronics Backbeat GO 605 | Sennheiser HD 400S |
|---|
| Included Accessories | Carrying pouch | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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