Karaoke Audio Mixer 1.10 way,EQ,band 2.high frequency,mediate frequency and low Fre. 3.gain control 4.thd:less than 0.05% Karaoke Audio Mixer with Power Output Amplifier Specification: MAX level input19db(1kHz,THD=0.5%)S/N71DbEquivalence noise input Electromotive force-120dBmHeadphone output power40mw(1kHz,THD=0.5%,200Ω)Balance low: 80Hz±15dB Middle:2.5KHz±15dB High:12KHz±15dBMONO/Stereo50Db/+4dB ...