FP10000Q 4x1350W at 8 ohms, 4x2100W at 4 ohms, 4x2500W at 2 ohms 4 channel power amplifier is perfect for Kara line array speaker. one FP10000Q can load 4 units Kara.
FP7000 2x1450W at 8 ohms, 4x2800W at 4 ohms, 4x3500W at 2 ohms 2 channel power amplifier is good for SB18 subwoofer. One FP7000 can load 4 units SB18.