Feature●Half-DIN, 4-Band Preamp EQ With Front/Rear Active Crossover Features●Line Driver Circuit Delivers 9 Volts Of Preamp Level Signal Through The RCAs●Audio Input Selector For Switching Between Head Unit And Another Audio Source●Input Level Controls For Both The Car Radio And Any Media Device To Ensure Identical Volume Levels●Master Volume Control Of The SPL-Level For Both Sound SourcesDescription