JBL Stage 1200S Sealed enclosure with one 12" subwoofer at Crutchfield
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 GT-BassPro12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield