Source High-end Ultra-low Frequency 18 inch professional subwoofer

RCF S8028-MK2 Dual 18-inch Passive Subwoofer

Technical Pro Technical Pro™ 10,000 Watt 15 LED Speaker System

Mackie SR18S 18” 1600W Professional Powered Active DJ PA Subwoofer Sub

QSC KS118 Subwoofer American Musical Supply

The Skar Audio ZVX-18v2 D1 subwoofer is unrivaled in performance and reliability, and features a max power rating of 3,000 watts. This 18-inch driver was engineered to withstand brutality and perform efficiently at the highest levels of output power, making it an extremely reliable and powerful subwoofer.

Skar Audio Zvx-18v2 D1 18 3200W Max Power Dual 1 Ohm SPL Car Subwoofer

RCF HDL6-A 1400-watt 6-inch Compact Active Line Array and SUB 8008-AS 4,400W 2 x 18-inch Powered Subwoofer Ground Stack System

Yorkville PS18S 18 Inch Powered Subwoofer

Loudspeakers

4” voice coil and 120-oz magnet produce superb sound 500W RMS power handling capability

Sound Town 18” 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ …See more Sound Town 18” 500W Cast Aluminum Frame