3Pcs TDA2030A Subwoofer Amplifier Board 2.1 3-Channel Compatible LM1875

The main parameters Left and right channels TDA2030Ax2 Power 18W 18W suggested 2 5 4 inches 4 8 ohms 10 30W of full range speakers Bass output TDA2030Ax1 Power 18W 250HZ suggested 5 8 inches 4 8 ohms 20 50W woofers Power AC double AC9 15V transformer we recommend double AC12V power is above 25W 2A transformer PCB Materials FR 4 fiberglass board thickness 1 6mm Board Size 79 x 95 x 60mm length x width x height containing the radiator height Tone plate size 79 x 23 x 25mm length x width x height excluding potentiometer handle length Potentiometer axis distance 28mm potentiometer mounting holes required 7mm diameterCable Motherboard and pitch plate come with 30CM long 6P cable It should be powered by AC 12V transformer package not included then connect computer or speader directly Net weight 158gPackage includes 3 x TDA2030A Subwoofer Amplifier Board