January 9, 2018The RH-CH31 is an unidirectional sound projector speaker is made out of all metal extruded aluminum alloy enclosure with cast aluminium top and bottom plates are fully antirust, dustproof and weatherp...view
September 11, 2018Descriptions of Acoustic Suspended Sphere Speaker RH-SL28The RH-AUDIO RH-SL28 is a high-quality 100V Suspended Sphere Speaker perfect for background music and voice announcement systems. The suspensio...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