CX 500
| Brand | Sennheiser |
| Function | Headphones (Noise-isolating ear-canal-headphones) |
| Form Factor | Headphone - In-ear |
| Dimensions | Cable length: 1.1m |
| Weight | 0.2 ounces |
| Frequency Response | 17 – 22,000Hz |
| Impedance | 16ohms |
| Sensitivity | 113dB |
| Transducer type | Dynamic |