Speaker wire is one of the most often overlooked components of an audio system. Wire size and construction can affect a system's performance and reliability, so it's good policy to pick the best speaker wire for the application. Parts Express carries common types of speaker wire, even zip cord, as well as ones intended for specific jobs like direct burial or placing in plenums.

Home audio speaker cable, both in-wall and surface mounted, has its own unique properties, while pro audio speaker wire is expected to combine superb sonic performance with the durability demanded by rough, portable use. Car audio speaker wire requires a tough, easy-to-pull jacket that resists abrasion during and after installation.