Ex: How to select a speaker that matches my current audio system?
Determine what amplifier to use with your subwoofer system. Select your Woofer Quantity and Woofer Impedance to see available wiring configurations. The results will display the correct subwoofer wiring diagram and impedance load to help find a compatible amplifier.
Your woofer may use one of the following to identify (+/-) terminals.
Positive +
Red Post
Purple (4Ω)
Red (8Ω)
Negative -
Black Post
No Dot
Determining power needed for speakers
Prevent blowing your subwoofers
Temperature differences between subwoofer voice coil types
Differences between SVC and DVC subwoofers