Side by side comparison and review of Roland RH A7 and Cooler Master CH331. 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 | Roland RH A7 | Cooler Master CH331 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Height | - | 21.01 cm | |
| Width | - | 9.63 cm | |
| Depth | - | 17.94 cm | |
| Weight | 200 g | 371.2 g | Roland RH A7 are lighter than Roland RH A7 headphones. |
| Colour | Black | - | |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Recommended Use | Professional audio | Game console, computer |
| SOUND QUALITY | Roland RH A7 | Cooler Master CH331 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 10 - 25000 Hz | 20 - 20000 Hz | Roland RH A7 offer a larger frequency range than Cooler Master CH331. |
| Max Input Power | - | 30 mW | |
| Sensitivity | 97 dB/mW | 103 dB | Cooler Master CH331 have higher sensitivity than Roland RH A7. |
| Impedance | 34 Ohm | 16 Ohm | |
| Diaphragm | 40 mm | 50 mm | Cooler Master CH331 have a thicker diaphragm than Roland RH A7. |
| Magnet Material | Neodymium magnet | - |
| MICROPHONE | Roland RH A7 | Cooler Master CH331 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 8000 Hz | |
| Audio Input Details | - | Omni-directional - 100 - 8000 Hz | |
| Sensitivity | - | -40 dB | |
| Signal-To-Noise Ratio | - | 58 dB |
| CABLE | Roland RH A7 | Cooler Master CH331 |
|---|
| Cable Type | Headphones cable - 3 m | - | |
|---|---|---|---|
| Cable Length | 3 m | 2.2 m | |
| Plated Connector | Gold | - |
| FEATURES | Roland RH A7 | Cooler Master CH331 |
|---|
| Additional Functions | - | RGB lighting |
|---|
| CONNECTIONS | Roland RH A7 | Cooler Master CH331 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (4 PIN USB Type A) |
|---|
| OTHERS | Roland RH A7 | Cooler Master CH331 |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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