How much does this cost to the nearest dollar?

Shure UHF Wireless Microphone System - Perfect for Brass, Woodwinds, Percussion - Battery Life, 300 ft Range | Clip-on Instrument Mic, Single Channel Rack Mount Receiver | H9 Band
WIRELESS FREEDOM, MADE SIMPLE. The ideal entry-level wireless microphone system for small venues. BLX Wireless Systems provide professional-quality sound with simple setup and an intuitive interface. Choose from a wide range of transmitter form factors (handheld, bodypack, headworn, lavalier, instrument clip-on) and use it with single- and dual-channel, as well as rack-mounted receivers. RACK MOUNT HARDWARE INCLUDES - 1x rack mount bracket, 1x long rack mount bracket, 1x link bracket, 1x thread adapter

Price is $539.00

Price: $539