SPECIFICATION | AA9150 Amplifier Class Amplifier Channels : Class D Amplifier Channels : Mono Output Power : 180W×1 (4^) 300W×1 (2^) Frequency Response : 10Hz-250Hz Input Sensitivity : 200mV-6V Signal-to-Noise Ratio : >90dB Low Pass Filter : 40Hz-250Hz Subsonic : 15Hz-50Hz Bass Boost : 0-12dB(50Hz) Protection : Temperature; Short circuit; Reverse connection;DC Input Impedance : 22ΚΩ Distortion (THD) : <0.1% Fuse Size :30A x2 Net Weight : 1.7kg Unit Dimensions (LxHxW) : 249*49*209mm