An innovative intercom base station and remote user system that can use low cost cell phone headsets or high quality, professional units. Base station allows connection of up to 8 users (4 user Beltpack and Headsets included in this kit). Users are connected to the base station via belt packs and 20 meter audio cables (5 pin XLR connectors) that may be extended up to 300 meters. ITC-100KF1000: for use with the SE-1000, includes 6 belt packs, 6 headsets and 6 20m cables ITC-100KF900: for SE-900. Intercom for up to 8 Remote users. Includes base station, 20m (65ft) cables, headsets, belt packs & Tally lights for 8 users.