September 11, 2018Descriptions of UHF 2-Channel Wireless Microphone RH331UUsing UHF640-840MHz band to avert interferencing frequency. All using quartz crystal oscillating circuits so the frequency is very steady. Speci...view
January 9, 2018The Audio Signal Mixing Amplifiers are designed for background music/paging and public address system installations,these units are exceptional values, and are easy to installview