JBL PRX418S 1600W 18 inch Passive Subwoofer Bundle with JBL PRX412M 1200W 12 inch Passive Speaker | Reverb
EO Audio OE-12.1 12" 1600WATTS Car Audio Subwoofer Dual 4 NEW SALE performance | eBay
JBL EON718S 18" 1500W Powered PA Subwoofer with Bluetooth and DSP JBL -EON718S-NA
Amazon.com: JBL 12" Car Audio Subwoofer : Electronics
Amazon.com: Pyle 12' Car Audio Speaker Subwoofer - 1600 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 40 Ohm, 60 oz Magnet, 2
JBL PRX418S 18" subwoofer — 1,600W continuous at Crutchfield
JBL P1220BR 1600W Enclosed Subwoofer - P1220BR from JBL