Side by side comparison and review of Koss UR 23i and No Fear Premier. 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 | No Fear Premier |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired | |
|---|---|---|---|
| Colour | White | Black | Black / red | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | No Fear Premier |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | - | 100 mW | |
| Sensitivity | 94 dB | 105 dB | No Fear Premier have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Koss UR 23i | No Fear Premier |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 50 - 10000 Hz | |
| Sensitivity | - | -38 dB | |
| Microphones Included | - | 6 |
| CABLE | Koss UR 23i | No Fear Premier |
|---|
| Cable Type | Headphones cable - 1.22 m | - | |
|---|---|---|---|
| Cable Length | - | 1.2 m |
| CONNECTIONS | Koss UR 23i | No Fear Premier |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | No Fear Premier |
|---|
| Service & Support | Limited warranty - lifetime | - |
|---|
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