Sennheiser IE4 in-ear earphones.
The Sennheiser IE4 are in-ear headphones for use with wireless monitors with a sound pressure level of 106 dB (SPL) (1mW), nominal impedance of 16 Ohms and dynamic transduction principle that allow natural sound reproduction, exceptional bass response and guarantee sound robustness even at high pressure levels. The headphones are black.
The package includes headphones and three interchangeable ear pads of different sizes