Check the listing for details. Sonido Mask Class D Monoblock Car Amplifier 1909 Watts Rms. Condition: New. Listed at 288.96 USD. Sonido Mask updated new design model FX-2000.1D monoblock amplifier. Class D Power rating specifications (80db input sensitivity level 0.2 volts to 6 volt Low pass filter 40-180hz frequency response 8-180hz bass boost level 0-12db subsonic filter 0-50hz best efficiency >85% minimum load 2 ohm current draw 150A SMT & Double side board pcb components overheat protect temperature 176 F Length 18.6" Width 6.7" Height 2.5" remote bass level control full MOSFET circuit design Double side FR-4 PCB, high quality SMD components. Amplificador tamao compacto modelo nuevo de la marca sonido mask. Es monoblock para manejar bocinas parlantes de bajo. Clase D mide 18.7 de largo, 6.7 ancho, 2.5 alto pulgadas. Es estable a 1 ohmio Cableado de cobre calibre 2-0 recomendado. Great budget friendly, many characteristics and parts alike audiopipe, nemesis audio, xelon audio american bass etc. Conservative power rating numbers.