X–ION-MICRO SERIES 4-channel digital high power-amplifier with SMD technology variable -switchable subsonic HP, LP, BP filter and full active mode possible PUMPER limiter up to 86% efficiency possible high-level-input with automatically „TURN ON“ 4x 100 WRms 4 Ohm 4X150 WRms 2 Ohm 113x38x130 mm