Sure, you could but then you'll likely end up w/ a plug connection and two splices b/w amp and speakers. A better and cheaper solution would be to hit a radio shack and get a 4 position plug w/ connectors so you can cut wires to length as needed and not splice in a connector. such as:
https://www.radioshack.com/products/radioshack-4-position-female-polarized-connector?variant=5717408965
https://www.radioshack.com/collections/maker-parts-kits/products/radioshack-4-position-male-polarized-connector?variant=5717407365
Good luck
