JBL STX818S PA Subwoofer Passivem Unpowered Speaker (2000 Watts, 1x18")
JBL SRX815P 2000-Watt Powered 15" 2-Way Speaker System with Onboard DSP - ProAudio.com
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 1100 Watts Auto Subwoofer Mounted on JBL Partybox 1000 IMPRESSIVE - YouTube
Amazon.com: American Bass Speakers XR-10D4 10-inch Subwoofer Woofer 1000 Watt RMS & 2000 Watt Max Dual Voice Coil 4 Ohm Voice Coils 200 Oz Magnet : Musical Instruments