These ceiling loudspeakers unite advanced technology and application-driven engineering to bring sound closer to the ultimate reference point: reality. Patented CoEntrant M/H transducers, Class D digital Amplifiers and unique innovations such as our Complex Conic horns and Quad Source low frequency design combine to deliver natural sounding music and intelligible speech. Wherever audiences and operators demand superior performance Renkus-Heinz loudspeakers are the choice for transparent, reference quality performance.