Dynacord SL 1800, Amplifier, 19"/2HE, 2 x 900W/4 Ohm, 2 x 550W/8 Ohm, 2 x 1250W/2 Ohm, 1 x 1800W/8 Ohm bridge, 2-Ohm-suited, sym. XLR in/out, Speakon-Out, Gnd-lift, Fan, LPN-Filter (Low-Pass-Notch) Protections: Audio limiters, High temperature, DC, HF, Back-EMF, Peak current limiters, Inrush current limiters, Turnon delay, 16,3 kg, dimensions 483 x 88,1 x 421,5 mm, 3 Years Warranty