Amazing sound starts with amazing connection. To achieve maximum performance a system requires clean power. Memphis relies on the highest quality pure copper wire for all of our connection pieces. Don't be fooled by the competition offering inexpensive wire backed by false claims. For the ultimate performance in audio connections look no further than Memphis Connection wire. 4GPWKIT include everything in the 4KIT with the exception of RCA's. Includes all the essential tools to complete a quality installation 100% pure copper wire True AWG rated wire Power and ground distribution blocks included Maximizes your audio performance Extends the life of your audio equipment RCAs NOT included