Shure UC4 Wireless Receiver

Features:

• Frequency-agile; a choice of over 100 user-selectable frequencies (international versions may vary)
• Two 5-segment RF LED indicators
• Seven-segment audio LED indicators
• LED display indicates group and channel setting
• Low transmitter battery warning LED
• Two-band adjustable EQ
• TTL logic terminal for control of external devices
• Adjustable squelch control
• Balanced XLR (mic/line selection option) and unbalanced 1/4" outputs
• Two 1/4-wave omnidirectional antennas
• Output level control
• External 15V DC power supply

Product description from Shure:

The UC4 receiver features a compact, 1/2 rack design, in addition to Shure's exclusive MARCAD® Diversity technology.