PTH901-130K-504A3 is a dual concentric shaft panel control potentiometer with an integrated rotary switch, designed for professional audio and multimedia equipment. The device features a 500 kO carbon element resistance with a standard ±30% tolerance, dual gang configuration, and a rotary switch with SPST contact arrangement and 50° maximum switching angle. It delivers a power rating of 3 A @ 16 VDC with 100 milliohms contact resistance, and provides 100 megohms minimum insulation resistance with 300 VAC dielectric withstanding voltage between bushing and terminals. The rotary switch offers 10,000 cycles operating life with 500 kgf-cm detent torque, and the unit is available with flattened, slotted, or knurled shaft styles. This control is ideal for multimedia sound systems, mixers, DJ equipment, and portable electronics requiring dual-channel audio level control with integrated switching functionality.