Ground Zero GZUB 1000XACTII 248.70 EUR 248.70 EUR Available BUY Article Number: GZUB 1000XACTII Share Information Reviews 25 cm flat active subwoofer Massive aluminum cast housing Lowpass 50-100Hz Build in high power amp 150 WRMS / 210 WMAX with bass remote and High-Level input with auto-on 7,8 cm / 0.307″ height.