Side by side comparison and review of Koss UR 23i and Cooler Master MH670. 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 | Koss UR 23i | Cooler Master MH670 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - 2.4 GHz - wireless | |
|---|---|---|---|
| Height | - | 19.15 cm | |
| Width | - | 19.2 cm | |
| Depth | - | 8.5 cm | |
| Weight | - | 346.5 g | |
| Colour | White | Black | - | |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Headband Material | - | PU leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | Cooler Master MH670 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | 2.4 GHz radio frequency | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
| Frequency Response | 20 - 20000 Hz | 15 - 20000 Hz | Cooler Master MH670 offer a larger frequency range than Koss UR 23i. |
| Max Input Power | - | 150 mW | |
| Sensitivity | 94 dB | 110 dB | Cooler Master MH670 have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Koss UR 23i | Cooler Master MH670 |
|---|
| Form Factor | - | Detachable headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 50 - 18000 Hz | |
| Sensitivity | - | -40 dB | |
| Signal-To-Noise Ratio | - | 50 dB |
| REMOTE CONTROL | Koss UR 23i | Cooler Master MH670 |
|---|
| Controls | - | Power on/off, microphone on/mute, master volume |
|---|
| CABLE | Koss UR 23i | Cooler Master MH670 |
|---|
| Cable Type | Headphones cable - 1.22 m | Mini-phone 3.5 mm to mini-phone 3.5 mm cable - 1.5 m Micro-USB charge cable - 1.2 m USB-C to USB-A adapter |
|
|---|---|---|---|
| Cable Length | - | 1.5 m |
| BATTERY AND CHARGING | Koss UR 23i | Cooler Master MH670 |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 1500 mAh | |
| Battery Life | - | 24 hour(s) |
| CONNECTIONS | Koss UR 23i | Cooler Master MH670 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB 2.0 (4 PIN USB Type A) |
|---|
| OTHERS | Koss UR 23i | Cooler Master MH670 |
|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
|---|
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