The cables that come in the same box as your components are free cables, i.e., not necessarily the best for your system. The quality of audio and video equipment continues to improve, but the free cables that come with them don't. Cables are the arteries of your home theater system. If you're not well-connected, you're shortchanging yourself. You paid good money for your audio and video equipment.
Experts think so.
The better the equipment, the better the cable. Better-quality audio and video components will accept a number of different types of cable. Any cable made of aluminum wire is a poor conductor and should be avoided. Thick cables are best. But with speaker cable, the choice is yours.