In depth comparison and review of Sennheiser HD 4.40 and Redragon BIO. 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 4.40 | Redragon BIO |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | Gaming | |
| Height | - | 27.6 cm | |
| Width | - | 22.4 cm | |
| Depth | - | 12.4 cm | |
| Weight | - | 680 g | |
| Colour | - | Black, red | |
| Recommended Use | - | Game console, portable electronics, computer | |
| Gaming | - | Yes |
| SOUND QUALITY | Sennheiser HD 4.40 | Redragon BIO |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Noise Isolating | - | Yes | Redragon BIO are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 4.40 offer a larger frequency range than Redragon BIO. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | 120 dB | Redragon BIO have higher sensitivity than Sennheiser HD 4.40. |
| Impedance | 18 Ohm | 16 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | - | Function vibrations, red backlight |
| MICROPHONE | Sennheiser HD 4.40 | Redragon BIO |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | - | -42 dB | |
| Impedance | - | 2.2 kOhm | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.40 | Redragon BIO |
|---|
| Controls | - | Volume |
|---|
| CABLE | Sennheiser HD 4.40 | Redragon BIO |
|---|
| Cable Type | - | Headset cable - 2 m | |
|---|---|---|---|
| Cable Length | - | 2 m |
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Redragon BIO |
|---|
| Battery Type | Headphone battery lithium polymer | - |
|---|
| CONNECTIONS | Sennheiser HD 4.40 | Redragon BIO |
|---|
| Connector Type | - | Headset (4 PIN USB Type A) 2 x headset (mini-phone 3.5mm) |
|---|
| OTHERS | Sennheiser HD 4.40 | Redragon BIO |
|---|
| Service & Support | - | Limited warranty - 18 months |
|---|
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