This is circuit of Subwoofer Car Power Amplifier BTL stereo channel audio power amplifier based IC TA 8215 residential by Toshiba. modish this power amplifier circuit, two TA 8215 ICs are used.
Subwoofer Home Theater Amplifier circuit is designed for subwoofer speaker system that used on Subwoofer Home Theater system.Using IC as a based filtering subwoofer signal input and as a buffer it& power amplifier
or 3000 Watts power amplifie , in this article just share about the driver circuit PCB. For transistor booster / final transistor using 8 set SANKEN and wiring booster transistor see here : Booster / Final Transistor Amplifier.