Hi-Res Audio Playback (96kHz/24Bit),Innoative Realtime Sound Set-Up with 5 Minute Vechicle Self Tuning Manual & Automatic Sound Tuning with PC App Control Automatic Sound Tuning with iPhone App, Anti-EQ for OEM System(Eliminates Factory EQ Curve),Auto-EQ with APVD Collection which Quicly Creates a Flat Vehicle Response.31 Band Parametric & Graphic EQ Outputs:8-Channel 4V RCA,Digital Inputs: Coax,USB (DAC), Speaker Input Up to 30V,Built In Amplifier:50W ×6 @4Ω+150W×2 @4Ω or 50W×6@2Ω+300W×2@2Ω