Six selectable voltage outputs suitable for class A, class AB, and digital power amplifiers with positive and negative voltages. Main voltage options range from 24V to 60V, with corresponding current ratings from 2.5A to 6A. Auxiliary voltage of +12V with a consistent output current of 1A across all configurations. Compact dimensions of 127*82*38 mm, designed for easy integration into various audio setups. Total output power of 300W with an output ripple of less than 150mV, ensuring stable performance. Voltage: AC220V The PSU Digital Amplifier Power Switch Board is engineered to provide versatile power solutions for audio amplifiers. With multiple voltage options, it caters to a wide range of amplifier types, ensuring optimal performance. The natural cooling method enhances reliability, while the compact design allows for seamless installation in various environments. This power supply is ideal for audiophiles seeking high-quality sound and stability in their audio systems. Color: As Shown Material: plastic Specification: 55V2.7A Package Contents: 1* Digital Amplifier Power Switch Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.