January 9, 2018The RH-AUDIO coaxial ceiling speaker RH-TH61 is designed with 8” PP cone woofer and 1” dome tweeter in coaxial way, provides premium performance in background, foreground and music-plus-paging sound...view
January 9, 2018The RU-AUDIO Surface Mount Wall Speaker RH-MS19 has unique with flat rear,generally produces better sound withouttaking up the valuable floor space that floor mounted speakers, can be placed anywhere ...view
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
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