Crown XLS-1000 350w Amplifier 2-Channel DriveCore Stereo Power Amp XLS High Performance, Lightweight Class D amp weighs less than 11 lbs. Integrated PureBand Crossover System for better performance and control Peakx Limiters provide maximum output while protecting your speakers XLR, 1/4", RCA inputs provide outstanding flexibility Efficient forced-air fans prevent excessive thermal buildup