The system 10 Pro atw-1312l from Audio-Technica is a digital 24-bit/48 kHz wireless microphone system that operates on the 2.4 GHz ism band and is used to capture audio for applications such as live stage, theater, DJ setups, and more. The system 10 Pro features a half-rack chassis that allows you to mount one or two receiver units, however the receiver units can be released from the chassis and mounted remotely (up to 328' Away) via Ethernet cable. Up to five chassis or 10 receiver units can be linked using a RJ12 cable, creating a multi-channel system with up to 10 channels.