Jrc4558 op-amp pinout, features, alternatives & datasheet Jrc4558 amp op diagram datasheet ic pinout internal connection dual mentioned shown above below
Subwoofer Circuit Diagram Using Ic 4558 - Home Wiring Diagram
4558 Single Supply Circuit Diagram
4558 subwoofer booster woofer jrc4558 pinout surround circuitspedia Subwoofer circuit diagram using ic 4558