Working Voltage and Current: This board operates efficiently within a voltage range of 0-50V and can handle a current up to 4A, making it versatile for applications in car suppression and industrial control systems. Compact Size for Easy Integration: With dimensions of 50mmx28mmx15mm, this power supply filter board is designed to be compact enough to fit into tight spaces while providing effective interference suppression for Class D amplifiers. Terminal Configuration: Equipped with clearly marked terminals - Vin+ (Input positive), Vin- (Input negative), Vout+ (Output positive), and Vout- (Output negative), ensuring straightforward and secure connections for reliable performance. Color: As Shown Material: ABS Package Contents: 3*Power Amplifier 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.