This TDA2030 amplifier circuit is ideal for driving low frequency subwoofer speakers in home theater systems.The TDA2030 is a monolithic integrated circuit intended for use as a low frequency class AB amplifier.
Circuit Diagram of TDA2030 Subwoofer Amplifier :Click on image to enlarge
This TDA2030 amplifier design needs dual power supply 12-0-12 for driving the 2030 IC and require atleast 5Amps to drive the subwoofer. This design claimed to give 200 watts output power in 4 OHM load. The amplifier is arranged to work in bridge mode to get maximum output power from the IC.