AV thing you need
+ Discounts here:
600ft. long-range digital wireless microphone package
Easily send signal across the hall with a booster...
Four Channel UHF Digital Wireless Headset & Lapel Microphone
The Digital-Quad-B is VocoPro's latest edition...
Professional Digital PLL Wireless Bodypack Transmitter with Headset Microphone
VocoPro's UDX wireless microphone series is...