Pro Audio, Lighting and Video Systems Pioneer XY-218S 3200 Watt - 18 inch Dual Bass Reflex Subwoofer
Focal 100 IWSUB8 In-Wall High Power Passive Bass-Reflex Subwoofer | Focal 100 IWSUB8 In-Wall High Power Passive Bass-Reflex Subwoofer Review | Audiolab Stereo & Video Center