FBT Vertus CLA 604 AW, Active Line Array Column, Active 2-way bi-amplified system, 6x 4"" Neodymium woofer, 4x 1"" Neodymium tweeter with horn, 400W Class D amplifier for the bass range, 100W Class D amplifier for high frequencies, Built-in switched mode power supply, DSP Processor with 4 equalizer presets,