January 9, 2018The 30ch Alarm Matrix RH2819A connects between a facility's fire alarm system and public address system,it has a multi-pin bus ready to be integrated with fire alarm system ...view
January 9, 2018The RH-AUDIO coaxial ceiling speaker RH-TH51 is designed with 5” PP cone woofer and 1” dome tweeter in coaxial way, provides premium performance in background, foreground and music-plus-paging sound...view
June 13, 2018Description of 5 Zone 100V PA Installation Amplifier with Bluetooth:The 5 Zone 100V PA Installation Amplifiers are designed with a 2U height housing including removable rack mounting brackets,and over...view