One of the best things you can do to improve your speaker wire situation is to install banana plugs that can be plugged right into compatible speaker or receiver/amplifier terminals, similar to ...

A high-quality plug and socket for speaker cable. The banana plug is pushed into the socket, and the spring-like protrusions on the prong make a snug fit (see cutout on illustration). Five-way ...

Premium pure copper 14-Gauge speaker wire with 245 fine strands per conductor ... Each cable is terminated using gold-plated 4mm banana plugs on both ends. The all-metal banana plugs are purpose ...