Six selectable voltage outputs suitable for class A, class AB, and digital power amplifiers with positive and negative voltages. Main voltage options include 24V, 36V, 42V, 48V, 55V, and 60V, with corresponding current ratings for each. Auxiliary voltage of +12V/1A available across all main voltage configurations. Compact dimensions of 127*82*38 mm, designed for easy integration into various audio setups. Total output power of 300W with a low output ripple of less than 150mV, ensuring stable performance. Voltage: AC220V The PSU Digital Amplifier Power Switch Board is engineered to provide reliable power for various amplifier types. With multiple voltage options, it caters to diverse audio needs while maintaining a compact form factor. The natural cooling method ensures efficient operation, making it an ideal choice for audio enthusiasts seeking quality and versatility in their power supply solutions. Color: As Shown Material: plastic Specification: 42V3.5A 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.