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Step 1
Get the whole package with a powered subwoofer. Powered or active subwoofers are sold with a built-in amplifier and the wiring needed to install the subwoofer in your car.
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Step 2
Keep the car stereo compact and choose a powered subwoofer. Powered subwoofers are available in movable, compact packages perfect for a car. Unhook your subwoofer and take it with you to create a new audio system in a new car.
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Step 3
Pump up the power to pump up the sound. Active or powered subwoofers have a designated power source. This frees up power for your existing system to perform. Passive systems draw their power from the existing car audio system.
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Step 4
Select a passive car subwoofer for the customization options it provides. Hand pick the amplifier, order a custom-ported box or create your own passive system.
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Step 5
Listen to subwoofer systems before making a final decision. Listen for distortions and feel the music. Spend time sampling subwoofers to choose the system or combination of components that suits your needs.







