Parameter --
Working Voltage: DC 9-18V,
Output Power: Max 2x80W Stereo(18V/4), 1x120W Pure Bass(18V/2), 2.1 Channels Recommended 2/4/6/8 Speakers, Can be Powered by 9V 12V.; 3.5 mm/3P Input -- This Amplifier Board Support Two
Types of Input: 3.5 mm Audio Input or 3P_ 2.54 mm Terminal Input.