This Clear One INTERACT AT Conferencing System package includes the INTERACT AT system, three microphone breakout boxes, and a wired controller. The Clear One INTERACT AT mixer included in the bundle provides advanced audio processing for superior sound quality. With the INTERACT AT mixer, mix & match up to (3) Mic Peripherals with CAT5 cable. The mixer includes an analog telephone hybrid and 5W built-in amplifier. Each of the three INTERACT MIC EX boxes included in the package contain three industry standard XLR microphone connectors. Boxes are daisy-chained from mixer using standard RJ-45 cables and can be rack-mounted with mixer or strategically positioned throughout a room to minimize microphone cable runs.Clear One’s INTERACT Dialer is the controller included in the bundle which provides an intuitive interface that emulates a telephone keypad. Its functions include dialing, volume control, and mute control. Clear One’s INTERACT AT is a complete conference room solution that delivers exceptional audio quality with its various accessories and features.