High-end Flagship Tribrid IEM Earphones with 9 Drivers per side Drivers: Super Tweeters: Enhanced EST x 4 (shared converter); Tweeter/Mids/Woofer: High Performance BA x4; Subwoofer: 10mm Liquid Silicone DD x 1 Impedance: 9 Ohm Frequeny: 20-40000 Hz Response Sensitivity: 112 db/mw Max Ipnput...