Two-channel XLR/1/4" combo inputs. 0-150ms delay. Power amplifier VU with LCD display. Mic/Line level selection. Internal temperature monitor with variable speed fan. Auto power off. Advanced on-board digital signal processing. Setup wizard for easy configuration. Heavy-duty locking casters. Assignable crossover. Ultra-braced cabinet assembly. Direct-through output with blend function. Forced-air cooling power amplifier for maximum reliability. Processed output allows DSP to be used with an external speaker cabinet. Dual 15" woofers (RBN 215) Single 18" woofer (RBN 118). Ground lift. Bass enhancement. Pole mount. Digital compression/limiting; 9-band EQ. Heavy-duty steel perforated grille. 2,000 watts total peak power.