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300W RMS Power Amplifier - 2SC3858 and 2SA1494 Transistors + PCB
Adjustable Power Supply 1.2 to 37V High Current 20A with LM317 and TIP35C + PCB
320W Power Audio Amplifier, Powered with 14.4V - 2Ω with IC TDA7560 + PCB
50W RMS Audio Amplifier with IRF530 and IRF9530 Mosfet + PCB