In-ear monitors. Custom made Proprietary Balanced Armature drivers (12BA per side) powered by soundrIVe technology with Quad Low, Quad Mid and Quad High balanced armature drivers per side. Variable bass output, adjustable from cable (+/- 10 dB). Integrated 4th Order crossover. Triple Bore with stainless steel tubing. Noise isolation up to -26 dB. Includes 3,5 mm unbalanced cable and a 2,5 mm balanced cable. Frequency response: 10 Hz - 23 kHz. Impedance: 20 Ohm. Sensitivity: 117 dB / 1 mW.