LAB SlapBox™ 2.00 ft^3 Ported MDF Enclosure Box for Single JBL W12GTi MkII Subwoofer
Amazon.com: JBL Single 12" Car Audio Subwoofer Sealed Enclosure : Electronics
JBL ASB6112 12" Passive Subwoofer | Full Compass Systems
Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
JBL BassPro 12" Subwoofer - CAR TUNES STEREO
JBL GT-BassPro12 | 12" Loaded/Powered Subwoofer System
ASB6112 | JBL Professional Loudspeakers
JBL GT-BASSPRO12 - Superior 12 Inch Ported Powered Car Subwoofer - Amplified sub boxes - Online Car Audio & Stereo Store