professional sound mixer 1.10 way,5 EQ 2.high frequency,mediate frequency ... than 0.05% professional sound mixer ,Karaoke Audio Mixer Specification:MAX level input19db(1kHz,THD=0.5%)S/N71DbEquivalence noise input Electromotive force ... -Performance RatioØ Easy installation, it can replace the traditional analog mixer directlyØ Portable and stylish designØ Comprehensiveafter-sales service, zero customer ...