Dynacord SL1800, Power Amplifier, 2x 900 W/ 4 Ohm, 2x 550 W/ 8 Ohm, 2x 1250 W/ 2 Ohm, 1x 1800 W/ 8 Ohm (bridge mode), 2 Ohm compatible, Symmetrical XLR in/ out, Speaker twist out, Ground lift, Limiter, LPN Filter (low pass notch) protection, Temperature switch-off, DC protection, Fan, Weight: 16.3 kg, Dimensions: 483 x 88.1 x 421.5 mm, Format: 19"", 2 RU