NitroSound - JBL P1224 Power Series 12" subwoofer with dual 4-ohm voice coils Do you want maximum performance from your subwoofer? JBL puts Plus One technology to work in the Power Series
messing with an old P1224 JBL P1224 Power Series 12 dual 2 ohm sub. I don't believe the 400 watt rms rating it comes with. anyone have any idea how much more
2x JBL P1224 Power Series Subwoofers - Car Parts - PakWheels Forums
a Pair of JBL P1224 Power Series Subwoofers for sale online | eBay