Description: Model:1969 small group A Tube model:TIP41C Output power:5W per channel Power comsumption:20W Power source:DC single 12-30v Static current:Standard 25v DC down to 0.8-0.9A Board Sizez: Approx. 5*5cm/ 1.97x 1.97inch Resistance:fully five-color ring precision metal film resistor Adjust resistance:sealed multi-turn adjustable resistor Electorlytic capacitor:high-capacitance Package Includes: 1 Piece digital Power audio amplifier Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test