ITEM NAME:150W Bass Power Amplifier Board Mono Pure Subwoofer Output High Power Ampli L5O2 150W Bass Power Amplifier Board Mono Pure Subwoofer Output High Power Ampli L5O2 Title:Bass Power Amplifier Board Mono Pure Subwoofer Output High Power Amplifier Board DIY Low Frequency Response: 20Hz-200Hz Channel Type:Mono Output Power:150W Load Impedance:4-8 ohm Weight: 0.4KG Working Voltage:Double AC24-28V which has small signal distortion, large power output and perfect protection function. It adopts front and rear split design, which is convenient for DIY installation. It has strong low-frequency processing capability and can be matched with a variety of low-speakers. colour:Main color blue Material:ABS+ metal Motherboard size: 13.4*8.5*6.3cm Package Contents: 1* Amplifier Board