PTL45-15O0-104A3 is a slide potentiometer with integrated LED designed for professional audio applications such as mixing consoles, drum machines, keyboards, synthesizers, and equalizers. The device features a 45 mm travel length with a carbon element and linear audio taper, offering a standard resistance range from 1 kO to 1 MO with ±20% tolerance. It delivers 0.125 watts power rating and maintains an end resistance of 20 ohms maximum, with insulation resistance of 100 megohms minimum at 250 VDC and dielectric withstanding voltage of 300 VAC. The potentiometer is available in multiple LED colors (red, orange, green, amber, and white) and includes mounting provisions with M2 × 0.4 fasteners, making it suitable for professional audio equipment requiring precise level control and visual feedback.