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 diameter Cable: 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: 158g Package includes: 3 x TDA2030A Subwoofer Amplifier Board