Detailed comparison and review of Sennheiser HD 820 and Redragon BIO. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser HD 820 | Redragon BIO |
|---|
| Product Type | Headphones - wired | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | Gaming | |
| Height | - | 27.6 cm | |
| Width | - | 22.4 cm | |
| Depth | - | 12.4 cm | |
| Weight | 360 g | 680 g | Sennheiser HD 820 are lighter than Sennheiser HD 820 headphones. |
| Colour | - | Black, red | |
| Earpad Material | Microfibre | - | |
| Recommended Use | - | Game console, portable electronics, computer | |
| Gaming | - | Yes |
| SOUND QUALITY | Sennheiser HD 820 | Redragon BIO |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Noise Isolating | Yes | Yes | Both headphones are equipped with noise isolation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 48000 Hz | 20 - 20000 Hz | Sennheiser HD 820 offer a larger frequency range than Redragon BIO. |
| Sensitivity | 103 dB/Vrms | 120 dB | Redragon BIO have higher sensitivity than Sennheiser HD 820. |
| Impedance | 300 Ohm | 16 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | - | Function vibrations, red backlight |
| MICROPHONE | Sennheiser HD 820 | Redragon BIO |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Sensitivity | - | -42 dB | |
| Impedance | - | 2.2 kOhm |
| REMOTE CONTROL | Sennheiser HD 820 | Redragon BIO |
|---|
| Controls | - | Volume |
|---|
| CABLE | Sennheiser HD 820 | Redragon BIO |
|---|
| Cable Type | Headphones cable - OFC - 3 m | Headset cable - 2 m | |
|---|---|---|---|
| Cable Length | 3 m | 2 m | |
| Plated Connector | Gold | - |
| CONNECTIONS | Sennheiser HD 820 | Redragon BIO |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | Headset (4 PIN USB Type A) 2 x headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HD 820 | Redragon BIO |
|---|
| Included Accessories | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 18 months |
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