Hifonics Hfx12D4 Wiring Diagram. Web hifonics hfx12d4 12 dual 4 ohm hf series 800w car subwoofer. Hfi series car audio subwoofers (9 pages) subwoofer hifonics industria hfi202a. 54 Hifonics Hfx12d4 Wiring Diagram Wiring Diagram Harness from wiringdiagramharnessideas.blogspot.com Web congratulations on your purchase of the new hifonics hf series subwoofer system. Web hifonics hfx12d4 12 dual […]