Gallien-Krueger 2001 RB Bi-Amp Bass Amplifier (Dual 540 Watt/1080 Watt Bridged) 1080 Watt (Bridged) 4 Band EQ w/ Voicing Filters and Contour Effects Loop, Tuner Out w/Mute XLR Output w/ Ground Lift and Pre/Post High Current Power Amp