Used dBX PRO640 digital zone audio processor, in good working condition, supplied with mains lead. Some features, have a google if you are not sure: Advanced Feedback Suppression (AFS™) Autowarmth® Auto Gain Control Compression Limiting Noise Gating Notch Filtering Bandpass and Crossover Filters Parametric EQ Security Lockout Wall Panel Control RS-232 Control Windows® 2000 and XP GUI IEC, UL and CSA Approvals
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