Profile: Radian Audio Engineering, Inc. specializes in manufacturing loudspeakers. Our products include proprietary compression drivers, replacement diaphragms, co-axial loudspeakers, cone loudspeakers and loudspeaker systems. The RPX-108P-V is a passive, full-range, 8 inches 2-way, co-axial loudspeaker system utilizing an 8 inch LF cone section and a 1 inch exit HF compression driver. It is ideal for near-field FOH or playback applications, and has an integral pole-cup socket for convenient stand-mounting. RC series ceiling loudspeaker systems are perfect for most installations up to 14 feet. The radian 508/2B and 512/2BK operate optimally from 14 feet to 45 feet.