Description: With DC power supply connection port and DC 12-24V wiring terminals (please do not use in the same time); 3.5mm audio input jack; 3-pin audio input jack; Volume/ Subwoofer/ Stereo knob adjustment. DC 12-24V power supply audio amplifier; great for connecting to telephone or computer; DIY speaker; vehicle auto; home theater; music playing on the street/ square/ shopping mall sound amplify. Several symmetrically mounted capacitances, big capacity, great filtering and energy storage function; Inductance coil has inhibition for the AC; European style wiring terminal. Two TPA3116D2 chips - one for the left/ right channel power amplify and the second is in bridge connection with the front NE5532 to drive the subwoofer. Digital amplify chip, up to 90% efficiency, low idle loss and high heat dissipation; 1.6mm circuit board, smooth surface, heat resistant and tide resistant. Specification: Chip type: TPA3116D2 x 2 Power supply: DC 12-24V Output power: 50W*2 100W*1(Subwoofer) Output load: 4-8? Respond range: 14-100KHz SNR: 100db Channel amount: 3 (left+right+subwoofer) Switch frequency: 1.2MHz Weight: 136g Size: 100*85*20mm /3.94*3.35*0.79(L * W * H) Package Includes: 1 Piece TPA3116D2 Amplifier Board
