SMD QR-1 Quick Release Speaker Box Terminal Aluminum Color:Blue Other improvements over the HDC

Other improvements over the HDC series subwoofers include the presence of a thicker

- Clear cover to easily have access when checking fuses

and features for both competition and daily use

it's a Lange Audio Fabrication or LOUD AF

The yellow wire gets connected to an ignition switched 12V+ source to turn the alternator on and off with ignition and the blue wire with ring terminal gets connected to the alternators threaded output stud

SMD QR-1 Quick Release Speaker Box Terminal Aluminum Color:Blue Other improvements over the HDCThe SMD QR 1 Quick Release Heavy Duty speaker box terminal cup is a great solution to 2 common problems. One being that most terminal cups are very wimpy! Not this one! Rather than a very thin injection molded unit like most others use, ours has a 1 2" body and 1 4" thick flange milled from 3 4" PVC, this product will never crack or deform under pressure. The terminals we use are made of nickel plated n52 neodymium magnets, sealed with SMD Sunflash.