Sound - Speaker

Martin Audio SXC118 18" Passive Cardioid Portable Subwoofer

Martin Audio SXC118 18" Passive Cardioid Portable Subwoofer Compact, cardioid subwoofer Front facing 18” (460mm)/4” (100mm) voice coil driver Rear facing 14” (356mm)/3.5” (88mm) voice coil driver Cardioid dispersion pattern 28dB rear rejection at 75Hz High output capability Tour-grade plywood enclosure with flying inserts