High-efficiency power and performance Innovative Class-H design 1250 W per channel (2 O) Dynamic headroom for all real-world applications XLR pass-though input connections Easy connection to bi-amped loudspeakers Switchable LPN filter for extra tonal fundamentals and "kick" Protective low-cut for systems without subwoofers Built-in dynamic limiters Complete protection package Three-stage front-to-rear fans Amplifier Gain 32 dB Continuous Rated Power (1 kHz, THD 1%) 2? 1250 Watts Continuous Rated Power (1 kHz, THD 1%) 4? 900 Watts Continuous Rated Power (1 kHz, THD 1%) 8? 550 Watts Continuous Rated Power (20-20 kHz, THD<0,2%) 4? 800 Watts Continuous Rated Power (20-20 kHz, THD<0,2%) 8? 400 Watts Cooling Front-to-Rear, 3-stage fans DIM 30 0.05 % Electronics Type Amplifier Frequency Response 10 Hz - 40 kHz ±1 dB Impedance 2/4/8 ? Input Impedance (Balanced) 20 kO Input Sensitivity +5.1 dBu Intermodulation Distortion (SMPTE) 0.1 % Mains Voltage 100 V, 120 V, 230 V or 240 V; 50-60 Hz (factory configured) Maximum Bridged Output 4O 2800 Watts Maximum Bridged Output 8O 1800 Watts Maximum Input Voltage +21 dBu 8.69 Vrms Network