1EXCELLENT PERFORMANCE: Power toroidal transformer work efficiently, high energy conversion efficiency, low standby energy consumption, more energy saving, no high frequency electromagnetic radiation, small internal resistance, strong anti interference ability, small size. 2HEAT DISSIPATION, STABLE BRACKET: Power toroidal transformer adopts thermal conductivity frequency layer, not only less interference, but also conducive to heat dissipation, premium steel bracket, fixed and reliable, small vibration. 3PREMIUM WIRE: Toroidal transformer adopts pure copper enameled wire, temperature resistance and flame retardant, low wire resistance, sufficient supply of high current and stable voltage. 4INPUT AND OUTPUT: Input voltage AC 220V; output voltage 1) AC28x2 double 28V power amplifier rear stage; 2) AC12x2 double 12V preamplifier, etc.. ; 3) AC12x1 single 12V for control guard. The total power of the above is about 200W. 5APPLICABLE SCENES: Toroidal transformer is suitable for speakers, amplifiers, subwoofers and other music equipment. Provide clean and stable power supply for preamplifier, speaker guard and amplifier board. 1 xToroidalTransformer