Subwoofer Wiring Diagrams | the12volt Home / Car Audio / Subwoofer Enclosures / Subwoofer Wiring Wizard. This subwoofer wiring application includes diagrams for Single Voice Coil (SVC) and Dual Voice Coil (DVC) speakers. A SVC speaker has one voice coil and one set of terminals, one positive (+) and one negative (-).Two 2 Ohm DVC · Two 4 Ohm DVC · Four 4 Ohm DVC · Two 4 Ohm SVC · One 4 Ohm DVC Subwoofer Wiring Diagrams — How to Wire Your Subs There are many ways to connect subwoofers to an amplifier. Our wiring diagrams will help you find the best way to wire your subs and amps so you'll get the best performance out of your gear. Hi I have a Sundown Audio X-15 D4 15" Dual 4-Ohm 1250W RMS Subwoofer and 2 car audio Bargain 1600.1 can I strap this 2 amp with this sub. Thanks.