Heat Sink: Large blue/silver anodized aluminum profile fitted along the edge for power transistor cooling.Output Transistors: Row of parallel power transistors mounted to the heat sink with screw fastenings.Capacitors: Two prominent large black electrolytic filter capacitors (e.g., 63V rating) in the center for power supply smoothing.Board Layout: Green fiberglass printed circuit board featuring various resistors, ceramic/film capacitors, and smaller driver transistors or regulator ICs (like 7812/7912 visible near the front).