The Controller Amplifier Kit includes 6 KP6 single-gang keypads featuring amber backlit buttons, 20 source selections, plus IR pass through and confirmation. System remote control, amplifier controller and white and almond Decora inserts. Simplified programming, audio playback adjustments and expandability make this kit the only choice for affordable excellence in multiroom audio. Extensive IR device codes and learning capabilities are built into this controller amplifier kit, making remote and keypad control of the system as simple as pressing a key. Each zone of this product supports up to three keypads with the SA-ZX3 Keypad Splitter. It offers exceptional value, straightforward operation and simplified programming for multiroom audio made easy. Standard Features: - Six sources, six zones, internal IR library, RS-232, and switchable preamp outputs for flexibility and convenience - Bass, treble, balance, loudness and "all off" for total control from keypads - Program the controller and all zones are ready for use, saving time - Linkable up to 36 zones to accommodate any size home - New two-unit-high rack-mountable controller design for elegant and practical solution.