Professional PA subwoofer from IMG Stage Line. This exceptional speaker from the L-RAY bass module combines high load capacity, good efficiency, and impressive mechanical stability in an extremely compact 20 cm format, making it a true subwoofer for low frequencies that typically require 30 cm PA bass speakers. PA compact subwoofer, 300 WMAX, 150 WRMS, 8 Ohm. High-load 20 cm subwoofer (8"). Heat-resistant voice coil and ventilated drive system. Very long-stroke design for deep and loud bass reproduction. Progressive membrane suspension for high operational reliability. Sturdy aluminum die-cast basket. Ideal for 2-way systems and compact subwoofers.