MS-10SD4 SLIM | An advanced-design, shallow-mount, 4-ohm dual voice-coil subwoofer delivering phenomenal bass in a small space
JBL MS Slim Series Shallow Mount Subwoofer - YouTube
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 MS-10SD4 Slim Subwoofer at Car Audio & Security - YouTube