Alpine OPTIM™8 8-Channel Hi-Res Sound Processor & Amplifier with AutoEQ 2.0 8- Channel Hi-Res (96kHz/24Bit) Digital Sound Processor with Built-in Internal Amplifier • All-in-One Solution to Effortlessly Optimize and Amplify any Sound System in Minutes • Remove the Complexities of Sound Tuning with Simple, Self-Guided AutoEQ 2.0 Software via iOS App (iPhone / iPad), Andorid App, or PC App with External Mic Kit (sold seperately) • Innovative AutoEQ Software Analyzes your Vehicle’s Interior Acoustic Environment and Intelligently Adjusts the Audio Output for the Best Possible Listening Experience • Anti-EQ for OEM Systems (Eliminates Factory EQ Curve) • Center Image Mode for Optimal Listening Experience • 4 Target Curve Presets: 1, 2, 3, and Default • Access Adjustments on the fly with a compatible external mic kit (sold separately) • 8-Channel High-Level / 6-Channel RCA Audio Signal / Bluetooth® Audio Input • Outputs: 8-Channel 4V RCA • 31 Band Parametric & Graphic EQ, Time Correction on all 8 Channels • Digital Inputs: Coax, USB (DAC) • Speaker Input: Up to 30V • Built-in 8-Channel Amplifier: 50W x 6 @ 4Ω + 150W x 2 @ 4Ω or 50W x 6 @ 2Ω + 300W x 2 @ 2Ω • Dimensions: 9.25”(W) x 9.5”(H) x 2”(D)