Westone - Old Model - UM Pro30 High Performance Triple Driver Universal Fit Earphones - Smoke - Discontinued by Manufacturer Three-way crossover matched to individual low, mid and high-frequency drivers Up and Over cable routing helps prevent microphonics and keeps the earphone securely in place 25dB of ambient noise reduction; Sensitivity: 124 dB @ 1 mW; Frequency response: 20 Hz - 18 kHz Recommended for all singers and musicians Includes: EPIC replaceable cable, premium comfort tips, mini-monitor vault, cleaning tool, and 2-year warranty