| Brand | Koss | Sennheiser |
| Model No | UR23i | HD 419 |
| Wired / Wireless | Wired Headphone Specification | Wired Headphone Specification |
| Headphone Type | Over Ear | Over Ear |
| |
| Magnet Type | Neodymium | Neodymium |
| Driver Diameter | 40 mm | 40 mm |
| Impedance | 34 Ohms | 32 ohms |
| Sensitivity | 94 dB/mW | 108 dB |
| Frequency Response | 20 Hz - 20000 Hz | 20 - 20,000 Hz |
| Maximum Power Input | NA | NA |
| Noise Cancelling | NA | No |
| |
| Available Colors | Black, White, Blue, Green | Black |
| Connector Plating | 3.5 mm Gold Plated Jack | 3.5 mm Gold Plated Jack |
| Cable | 1.4 m | 1.4 m Single Sided Cable |
| Weight | NA | NA |
| Other Features | - One touch Microphone
- Unique D-profile
- Superior Isolation
- Closed back design | - Closed circumaural headphone design isolate against ambient noise
- Single-sided cable for freedom of movement |
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Compare Koss UR23i with:
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Compare Sennheiser HD 419 with:
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