Wiring your subs: Single Voice Coil
Diagrams Used From JL Audio.com

1 SVC driver
It just doesn't get any easier than this: two terminals (+ and -) on the speaker, and two leads from the amp also conveniently labeled + and -. The rest is history.
2 Ohm Subwoofer: 2 Ohms
3 Ohm Subwoofer: 3 Ohms
4 Ohm Subwoofer: 4 Ohms
8 Ohm Subwoofer: 8 Ohms
12 Ohm Subwoofer: 12 Ohms



2 SVC drivers with Voice Coils in Parallel
This is pretty simple, too. Wire both woofer (+) to the amplifier's (+) and do the same with the (-) connections.
2 Ohm Subwoofer: 1 Ohm
3 Ohm Subwoofer: 1.5 Ohms
4 Ohm Subwoofers: 2 Ohms
8 Ohm Subwoofers: 4 Ohms
12 Ohm Subwoofers: 6 Ohms



3 SVC drivers with Voice Coils in Parallel
All woofer (+) to the amp (+). All woofer (-) to the amp (-) connections.
2 Ohm Subwoofers: 0.67 Ohm
3 Ohm Subwoofers: 1 Ohm
4 Ohm Subwoofers: 1.33 Ohms
8 Ohm Subwoofers: 2.66 Ohms
12 Ohm Subwoofers: 4 Ohms



4 SVC drivers with Voice Coils in Parallel
All woofer (+) to the amp (+). All woofer (-) to the amp (-) connections.
2 Ohm Subwoofers: 0.5 Ohms
3 Ohm Subwoofers: 0.75 Ohms
4 Ohm Subwoofers: 1 Ohm
8 Ohm Subwoofers: 2 Ohms
12 Ohm Subwoofers: 3 Ohms



5 SVC drivers with Voice Coils in Parallel
All woofer (+) to the amp (+). All woofer (-) to the amp (-) connections.
2 Ohm Subwoofers: 0.4 Ohms
3 Ohm Subwoofers: 0.6 Ohm
4 Ohm Subwoofers: 0.8 Ohm
8 Ohm Subwoofers: 1.6 Ohms
12 Ohm Subwoofers: 2.4 Ohms



6 SVC drivers with Voice Coils in Parallel
All woofer (+) to the amp (+). All woofer (-) to the amp (-) connections.
2 Ohm Subwoofers: 0.33 Ohm
3 Ohm Subwoofers: 0.5 Ohm
4 Ohm Subwoofers: 0.67 Ohm
8 Ohm Subwoofers: 1.33 Ohms
12 Ohm Subwoofers: 2 Ohms