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Sonic Sub Boxes Car Subwoofer Installation & Accessories
Get the most out of your subwoofer with a sealed, ported, or bandpass enclosure
Find all the accessories you need right here! Our wide selection of installation connectors include butt connectors, speaker connectors, splice adaptors, ring terminals, spade terminals, T-tap connectors, quick disconnect connectors, and other small adapters.
If you are building your own box, you'll most likely need a box terminal to connect your wires to your amp.