Amazon.com: JBL Dual 12" Car Audio Ported Enclosure : Electronics
Audio Jam Inc. - Some car audio fans love the clarity of sealed subwoofer enclosures. Others crave the added power of vented enclosures. The GT-12BP bandpass subwoofer offers both. It delivers accurate
MP255S | JBL Professional Loudspeakers | English
JBL GT Subwoofer at Onlinecarstereo.com
JBL GT12BP. Bandpass un Toyota Corolla E180 - YouTube