Wharfedale Pro DELTA-X18B Passive Sub 18" 800 W, 134 dB

The Delta-X18B is a passive bass-reflex subwoofer with an 18" driver and a 4" voice coil. The specification lists 800 W continuous into 8 Ω with a maximum SPL of 134 dB at 1 m in half space. A bi-amp mode switch and a 35 mm pole socket are fitted. Key features 18" LF driver, 4" voice coil, 8 Ω,…