$50 is really low but can be done, cheap Wattgates will be most of your budget.
Go to Home Depot, for amps use 6 or 8 gauge stranded or solid core. For. Source 8 to 12 gauge. If 6 or 8 gauge solid core you will need to shrink wrap the wire. Use a smaller gauge for the ground,
Buy some clear rubber tubing while at Home Depot. Run wire in tubing with excess wire 3 or 4 inches on each end of tubing. Hot glue one end of tubing and wire.
Fill clear tube with metal sand blasting power from harbor freight or brass powder of eBay the finer the powder the better. I like brass. Take a palm sander and run up and down tube. Keep adding powder as it will pack in tubing. Once filled hot glue other end of tubing.
Buy a small piece or donor piece of Corion from a countertop maker. Cut 2 small rectangle pieces drill some holes use high quality screws to make a clamp and screw down very very tight. You can use wood, brass or anything to put pressure on wire as clamp. Place clamp on each end of wire and in middle of cable if you choose. Add Wattgate ends and your done. You can hide clamps with cut pieces of pvc pipe and Tex flex for looks and shrink wrap over pvc/Tex flex
The solid core will have bigger bass and more detail or brighter, stranded will be smoother with more rolled off highs.
Go to Home Depot, for amps use 6 or 8 gauge stranded or solid core. For. Source 8 to 12 gauge. If 6 or 8 gauge solid core you will need to shrink wrap the wire. Use a smaller gauge for the ground,
Buy some clear rubber tubing while at Home Depot. Run wire in tubing with excess wire 3 or 4 inches on each end of tubing. Hot glue one end of tubing and wire.
Fill clear tube with metal sand blasting power from harbor freight or brass powder of eBay the finer the powder the better. I like brass. Take a palm sander and run up and down tube. Keep adding powder as it will pack in tubing. Once filled hot glue other end of tubing.
Buy a small piece or donor piece of Corion from a countertop maker. Cut 2 small rectangle pieces drill some holes use high quality screws to make a clamp and screw down very very tight. You can use wood, brass or anything to put pressure on wire as clamp. Place clamp on each end of wire and in middle of cable if you choose. Add Wattgate ends and your done. You can hide clamps with cut pieces of pvc pipe and Tex flex for looks and shrink wrap over pvc/Tex flex
The solid core will have bigger bass and more detail or brighter, stranded will be smoother with more rolled off highs.