Features: For Small to Medium Venues & Events, Quad-Channel Rackmount Receiver, Four SLXD2+/SM58 Handheld Transmitters, Wide 138 MHz Tuning Range, Two RJ45 Ethernet Connections, Two Removable Antennas, RF Cascading, Digital Predictive Diversity Reception, Adjustable Output Level, Audio Summing, Rugged Metal Construction, Expandable to 32 Mic Channels/330' Range