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With the wide variety of car subwoofers available,
it's easy to get confused about the best way to wire up your system. These
wiring diagrams should help you find the configuration that'll get the
most out of your subwoofers and your amplifier.
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1 sub / Dual Voice Coil - 2 ohms x 2
Option #1
Option #2
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1 sub / Dual Voice Coil - 4 ohms x 2
Option #1
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1 sub / Single Voice Coil - 4 ohms
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2 subs / Dual Voice Coil - 2 ohms x 2
Option #1
Option #2
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2 subs / Dual Voice Coil - 4 ohms x 2
Option #1
Most Common
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2 subs / Single Voice Coil - 4 ohms
Option #1
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3 subs / Dual Voice Coil - 2 ohms x 2
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3 subs / Dual Voice Coil - 4 ohms x 2
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3 subs / Single Voice Coil - 4 ohms
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4 subs / Dual Voice Coil - 2 ohms x 2
Option #1
Option #2
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4 subs / Dual Voice Coil - 4 ohms x 2
Option #1
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4 subs / Single Voice Coil - 4 ohms
Option #1
Option #2
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The following chart will show
the net impedance the amplifier will see when using multiple
Speakers. Before making connections to your amplifier be sure to
check the amplifiers impedance capability (lowest load allowed).
Connecting low impedance loads beyond the
amplifiers specified capabilities will cause the amplifier to over heat
and cause permanent damage to the amplifier and
speakers!
| Parallel Connections |
| Woofers Impedance |
How many Woofers |
= Net Impedance |
| 8 Ohm |
2 |
4 Ohm |
| 8 Ohm |
3 |
2.66 Ohm |
| 8 Ohm |
4 |
2 Ohm |
| 8 Ohm |
5 |
1.6 Ohm |
| 8 Ohm |
6 |
1.33 Ohm |
| 8 Ohm |
7 |
1.14 Ohm |
| 8 Ohm |
8 |
1 Ohm |
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| 4 Ohm |
2 |
2 Ohm |
| 4 Ohm |
3 |
1.33 Ohm |
| 4 Ohm |
4 |
1 Ohm |
| Series
Connections |
| Woofers
Impedance |
How many
Woofers |
=
Net Impedance |
| 4 Ohm |
2 |
8 Ohm |
Technical Home Page | Speaker
Impedance
Power Cable Requirements | Amplifier Safety Tips | Enclosure Design
Calculating Amperage Draw |
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Tech Support
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