TDA7388 is a 25-foot car power amplifier block, seems to be the product of Singapore ST Company, is now the main supplier of car power amplifier block, its more famous products are TDA2030, 2040, 1521, 7293, 7294, etc. 7388 for 4 channels, each channel 4 ohms 41W output power, triode A B class, BTL output with silent and standby functions.
The peripheral circuit is quite simple, can be used in the car, do ordinary household, the power supply is not very easy to do, it is best to use 14V dynamic negative feedback voltage regulator power supply. It can completely replace the power amplifier 7387EP of the ST TDA 7388.