Wharfedale Pro DELTA-X218B Passive Sub 2x18" 1600 W, 138 dB

The Delta-X218B is a passive subwoofer with two 18" drivers, each rated at 800 W. Wired in parallel it handles 1600 W continuous at 4 Ω, or 800 W per section when driven discretely at 8 Ω. Maximum SPL is 138 dB at 1 m in half space, and a bi-amp mode switch is fitted. Key features 2 x 18" LF…