In depth comparison and review of Sennheiser HD 4.20s 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 4.20s | Poly - Plantronics Backbeat GO 605 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 175 g | |
| Colour | Black | Black | |
| Earpad Material | - | Memory foam | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 4.20s | Poly - Plantronics Backbeat GO 605 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| 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) | |
| Bluetooth Audio Codec | - | SBC | |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | - | 50 - 20000 Hz | |
| Total Harmonic Distortion (THD) | - | <3% | |
| Sensitivity | - | 92 dB | |
| Impedance | - | 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. |
| MICROPHONE | Sennheiser HD 4.20s | Poly - Plantronics Backbeat GO 605 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.20s | Poly - Plantronics Backbeat GO 605 |
|---|
| Controls | 1-button remote | Play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 4.20s | Poly - Plantronics Backbeat GO 605 |
|---|
| Cable Type | - | USB charge cable Audio cable |
|
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.20s | Poly - Plantronics Backbeat GO 605 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 18 hour(s) | |
| Standby Time | - | 480 hours | |
| Charging Time | - | 90 min |
| CONNECTIONS | Sennheiser HD 4.20s | Poly - Plantronics Backbeat GO 605 |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | - |
|---|
| OTHERS | Sennheiser HD 4.20s | Poly - Plantronics Backbeat GO 605 |
|---|
| Included Accessories | - | Carrying pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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