RS 120
| Brand | Sennheiser |
| Function | Headphones (Over-Ear) |
| Produced | 2005 |
| Country | Germany |
| Weight | 230g |
| Frequency Response | 22Hz - 19,5kHz |
| Transducer principle | Dyamic, Open |
| THD | <0.7% |
| Max.SPL | 106dB |
| Ear Cupling | Supra-aural |
| Power Supply | Via two AAA batteries |
| Carier Frequencies | 863MHz or 926MHz |
| Range | approx. 100m |
| Modulation | FM Stereo |
| S/N Ratio | >65dB |
| Audio Connector | 3.5mm Stereo Jack Plug |