JBL FUSE 8" (200mm) Passive Subwoofer Enclosures (Pair) - Used Very Good - Creative Audio
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
Single 12-Inch Ported Subwoofer Box Car Audio Stereo Bass Speaker Sub Enclosure - Walmart.com