5W bridge amplifier High outputs : LA4192 provides 5W bridge amplifier at VCC=9V, (for RL=8Ω). Operating Characteristics at Ta = 25˚C, VCC=9V, f=1kHz, RL=8Ω, Equivalent Circuit Block Diagram Post navigation TDA7388 audio power amplifier 164W circuit diagram.24v to 12v converter circuit | 50W