Studiomaster Core 1213 x 5 + 9 x 1 CURVE ARRAY HF MF 12 BASS REFLEX SUB 4000W (peak) 1000W (rms) POWER The new CORE121 system from Studiomaster uses a specially designed curved array to provide a controlled and highly effective sound diffusion. Combining the curved array with a powerful bass reflex subwoofer giving up to 2800W of low end power, the whole system can provide 4000W peak (1000W RMS) in a compact, portable system that will give you the reach and sonic quality