Sony MDR-E9LP Earphone. SONY HEAPDHONES 300KJ/HIGH POWER NEODYMIUM HEADST. Stereo - Violet - Mini-phone - Wired - 18 Hz 22 kHz - Dynamic - Earbud - Binaural - Open - 3.94 ft Cable Product Type:Earphone Brand Name:Sony Manufacturer:Sony Corporation Product Model:MDR-E9LP Product Name:MDR-E9LP Earphone