EQ-819 Car Audio Equalizer, Car Equalizer Car Audio Car EQ with EQ w/Mic In
EQ-819 Car Audio Equalizer, Car Equalizer Car Audio Car EQ with Karaoke Funtion Mic Input, acualizador Digital Equalizer car Audio car Amplifier equalizers with Aux Input/EQ Tuning/Echo. The Subwoofer frequency is in 30Hz to 120Hz.