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 12" 1000W Subwoofer Single Sub Black Box Enclosed W/ Cage Bar GOOD CONDITION | eBay
JBL EON718S 18" Powered PA Subwoofer Black EON718S - Best Buy
Amazon.com: JBL Single 12" Car Audio Subwoofer Sealed Enclosure, Black : Electronics