FEATURES Shure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it’s the most accessible way to own the stage. Includes BLX1 bodypack transmitter, BLX4R rack mount receiver, guitar cable, single and dual rackmount kit, two 1/4 wave antennas, zipper bag, power supply, 2 AA batteries, and user guide. BLX4R Single Channel Rack Mount Receiver Rack-mountable and featuring rugged metal construction, the BLX4R offers simple setup and intuitive controls. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference. Removable antennas allow for quick antenna distribution. For use with BLX Wireless Systems. XLR and ¼" output connectors Rack mount kit included Microprocessor-controlled internal antenna diversity LCD display with detailed RF and audio metering Adjustable output level Two-color audio status indicator LED Green: Normal audio levels Red: Excessive audio levels (overload / clipping) BLX1 Bodypack Transmitter The durable BLX1 features a lightweight, ergonomic design and adjustable gain control. For use with BLX Wireless Systems. Quick and easy receiver frequency matching TQG connection for use with Shure lavalier, headset, earset and instrument microphones and guitar cables Easily accessible On / Off switch WA302 Instrument Cable Instrument cable connects the T1, UT1, SC1, PG1, PGX1, GRXD1, SLX1, LX1, ULX1, UC1, UR1, UR1M and U1 body-pack trasmitter to a guitar or other instrument. Features a 2.5 foot (0.75 m), length with 1/4-inch plug and 4-pin mini connector (TA4F) (supplied with instrument systems).