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.