Wiring a dual 2 ohm subwoofer to a final impedance of 1 ohms can be achieved wiring the voice coils together in parallel.
This is a very common wiring method used by those that really want to push their subwoofer and amp to the limits for heavy bass. Since the 1 ohm final impedance is not as stable as 2 ohm or 4 ohm configurations, it is commonly recommended by professionals to only wire to a single ohm for you know what you are doing.
Subwoofer Wiring Steps:
1Connect both positive terminals on the subwoofer
2Connect both negative terminals on the subwoofer
3Connect a positive subwoofer terminal to the positive terminal on the box
4Connect a negative subwoofer terminal to the negative terminal on the box
At this point you should have all the postive terminals connected together and all the negative terminals wired together. This method is called ‘series’ wiring and enables the dual 2 ohm subwoofer to achieve a 1 ohm final impedance.
For more information on subwoofer wiring diagrams and other diagrams, please visit the main Subwoofer Wiring Diagrams page.