Do you have a question about the Sennheiser CX 400 and is the answer not in the manual?
Set low volume before inserting earphones and avoid prolonged use at high volumes.
Use appropriate pads, insert/remove slowly and carefully, and keep earphones dry.
Do not use earphones in environments requiring high attention, like roads or manual work.
Sound quality depends on correct positioning; use provided ear pads for best results.
| Impedance | 16 Ω |
|---|---|
| Magnet type | Neodymium |
| Ear coupling | Intraaural |
| Headphone frequency | 17 - 21000 Hz |
| Headphone sensitivity | 113 dB |
| Total Harmonic Distortion (THD) | 0.2 % |
| Type | Dynamic |
| Cable length | 1 m |
| Connectivity technology | Wired |











