High quality amplifier frequency response:10~70KHz(+0DB,-3DB) 20~20KHZ(+0,-0. ... 0.001%(Sound track crosstalk):less than -104DBComplete Power Consumption):less than 10W LoadOutput Power): (RMS,THD+N less than 0.1 ... 1W power output can not exceed 10 seconds Because of the heat dissipation,otherwise, the tube would be burned. Headphone amplifier Bernice ...