Turbosound iQ18B 3000W 18 inch Powered Subwoofer with DSP | Sweetwater
DS18 EXL-XX15.2DHE 4,000W Max Dual 2-ohm 15" Subwoofer
One unit (not pair) |15 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-15 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY
Roku Wireless Bass Pro | Wireless Subwoofer for Roku Audio | Roku