@@abineshs8532 Apdilam illa bro! 28 0 28 V power supply kku 5 or 6 Amps kuduthale pothum bro!... 12 inch JBL kku Perfect ah Irukkum... Amps Over ah kudutha Transistor Adhigama Heat agum... Transistor compliment aga chance irukku .... 5 to 6 Amps enough For 28 0 28 V power supply, Approximate Power Output Of the transformer, For 5 Amps Transformer P = (28+28)×5 =~280 Watts For 6 Amps Transformer P = (28+28)×6 = ~336 Watts