5 Core 15in Subwoofer Speaker 2 Pack| Black Cloth edge paper cone, 8 Ohm Impedance, 2000 Watt Power for Audio Stereo Sound System, DJ Setup and more - FR 15 140 MS 2PCS - Newegg.com
JBL SRX828SP | 18" Dual Self-Powered Subwoofer System
JBL SRX815P 2000 Watt Powered 2-way System with Crown Amplification