Powerful 4-channel amplifier (5000W) with built-in DSP: 2000W per channel at 4 ohms, 1200W at 8 ohms and 1600W at 2 ohms. FAST technology lets you combine channels for more power per channel. DSP with crossover, EQ, delay, limiters and presets for QSC loudspeakers. XLR inputs, NL4 outputs; 2U rack, 10 kg.