Side by side comparison and review of Poly - Plantronics Backbeat 505 and Sennheiser HD 820. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly - Plantronics Backbeat 505 | Sennheiser HD 820 |
|---|
| Product Type | Headphones - Bluetooth - wireless - 3.5 mm jack | Headphones - wired | |
|---|---|---|---|
| Series | 500 Series | - | |
| Weight | 155 g | 360 g | Poly - Plantronics Backbeat 505 are lighter than Poly - Plantronics Backbeat 505 headphones. |
| Colour | Dark grey | - | |
| Earpad Material | Memory foam | Microfibre | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat 505 | Sennheiser HD 820 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Noise Isolating | - | Yes | Sennheiser HD 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 6 - 48000 Hz | |
| Sensitivity | - | 103 dB/Vrms | |
| Impedance | - | 300 Ohm | |
| Diaphragm | 40 mm | - |
| MICROPHONE | Poly - Plantronics Backbeat 505 | Sennheiser HD 820 |
|---|
| Form Factor | Built-in | - |
|---|
| REMOTE CONTROL | Poly - Plantronics Backbeat 505 | Sennheiser HD 820 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly - Plantronics Backbeat 505 | Sennheiser HD 820 |
|---|
| Cable Type | - | Headphones cable - OFC - 3 m | |
|---|---|---|---|
| Cable Length | - | 3 m | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat 505 | Sennheiser HD 820 |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 18 hour(s) | - |
| WIRELESS LINK | Poly - Plantronics Backbeat 505 | Sennheiser HD 820 |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Poly - Plantronics Backbeat 505 | Sennheiser HD 820 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (phone stereo 6.3 mm) |
|---|
| OTHERS | Poly - Plantronics Backbeat 505 | Sennheiser HD 820 |
|---|
| Included Accessories | - | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector |
|---|
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