Nobsound&reg; HiFi TPA3116 2.0CH Stereo Digital Amplifier Integrated amp+Power Supply USA TI TPA3116D2; 100W (50W + 50W) high power; 2.0 Channel; Very suitable for do as household amplifier or car amplifier Input 100-240V / Output 19V_3.42A high-quality power supply, 1.5M long full copper power cord Top red ring of the output inductor,output without loss, more pure tone; Adopt the German Weimaraner MKP10 as input, richer overtones High-speed capacitor array, lower resistance, dynamic more rapid Gold-plated RCA output port, Taiwan imported sealed potentiometers, thick aluminum heatsink