Rockville RBG18S 18" 2000 Watt Active Powered PA Subwoofer w/DSP+Limiter Pro/DJ
Turbosound iQ18B 3000W 18 inch Powered Subwoofer with DSP | Sweetwater
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
Alphasonik 12" Flagship Series 1000 Watts Raw Sub Woofer Speaker Cast | Alphasonik
Amazon.com: Rockville RBG15S 1600w Active Powered PA Subwoofer w/DSP + Limiter Pro/DJ, 15 inch, Black : Musical Instruments
DS18 EXL-XX15.2DHE 4,000W Max Dual 2-ohm 15" Subwoofer
340W 3.1ch Soundbar w/ Wireless Subwoofer Home Theater - HW-M550/ZA | Samsung US
Amazon.com: Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs PLBX8A : Electronics