Dbx ZonePRO 640M

4 mono mic/line inputs with +15V phantom power (Euroblock), balanced; 2 dual-mono line inputs (RCA), unbalanced; 4 mono outputs (Euroblock) Balanced AFST anti-feedback AutoWarmth, which recreates the ear's frequency response curve at various listening levels Auto Gain Compressor/ Limiter Classic dbx Noise Gating Notch Filtering Crossover and Bandpass Filtering Parametric EQ Safety Lock Source Selection Routing Controllable via ZC Wall Panels Ethernet Port Controllable and Programmable via PC over RS-232C IEC, UL, and CSA Approved