Features Feedback Elimination 2.7 Seconds of Alignment and Zone Delay RS-232 PC GUI control Classic dbx Compression and Limiting Graphic and Parametric EQ Auto-EQ Function Full Bandpass, Crossover, and Routing Configurations Auto Gain Control Pink Noise Generator and fulltime RTA Setup Wizard with JBL speaker and Crown Power Amplifier Tunings Security Lockout Wall Panel Control Inputs