EVENT AUDIO AKD20+4 20 Channels 50m-audio Link Snake Cable With Stage Box floor 20 channel multicore cable with stage box and fan featuring Neutrik connectors. Features 20 XLR balanced send and 4 return channels. Instruments (DI Box) and microphones are plugged into the send inputs marked 1 to 20 on the stagebox. The signals are carried through the multicore to 20 corresponding XLR(m) number coded connectors. There are 4x XLR(m) return outputs on the stage box marked A to H. These channels connect to 8x XLR(f) connectors which are used to take the output signals of the mixer back to the stage box for connections with amplifiers and speakers