Power & Speaker Connectors These 3 pin and 4 pin connectors are used on our car and home products. If you’ve lost your connector, or if you like to collect small, interesting objects, you’ve found the right page. Check your product to see which connector you need, either 3-pin or 4-pin, then add as many as you like to your cart. Postage is included when shipping within the Contiguous United States.
