6-IN/12-OUT FOR LARGE SYSTEMS - 12 independently tunable output channels for complex multi-amplifier and competition builds ^^ APTX-HD BLUETOOTH 5.0 - Studio-quality wireless streaming; supports APTX-HD, APTX, AAC, and SBC codecs; no head unit required ^^ HI AND LOW LEVEL INPUTS - Seamless compatibility with factory OEM high-level or aftermarket RCA low-level inputs ^^ FULL DSP TUNING - Parametric EQ, crossover, time alignment, and phase control all adjustable via the EZY DSP smartphone app ^^ SAVE AND RECALL PRESETS - Store custom tuning profiles in app for easy recall between different setups and vehicles