Narrow-coverage High-Ceiling Pendant Speaker with RBI. 6-1/2" (165 mm) LF & silk dome HF, RBI Radiation Boundary Integrator® technology with narrow 75 degree conical coverage, true coax, excellent clarity in high-ceiling installs and reverberant spaces, 75W at 8 ohms plus 60W 70V/100V multi-tap transformer, redundant suspension cable system included (priced as each; sold in pairs), in white.