KS Audio CPD B2, Active 2x 10"" Push-pull Bass Reflex Box, Amplifier power: 800 W, Digital controller (FIR filter), 2 XLR Inputs, 2 XLR Outputs, Frequency range: 48 - 110 Hz (+/- 3 dB), Max. sound pressure 126 dB / 130 dB peak (pink noise with 6 dB crest factor), Speaker stand flange mount: M20, Dimensions: