One of the most powerful speakers in its category, the HDM 45-A provides a clear, accurate sound. Made of lightweight composite material, it boasts a supercharged two-channel amplifier (2,200W peak power, 133 dB Max SPL) and RCF Precision Transducers. Easy to deploy, the HDM 45-A provides responsive low end and a brilliant dynamic range that reproduce a natural sound at any volume. HDM 45-A’s internal components include a 1.5” titanium compression driver, 4” voice coil, and 15” neo woofers with a 3.5” voice coil and is equipped with internal DSP, FiRPHASE technology and RDNET network capability. D-Line Series active cabinets offer audio professionals a powerful tool designed for maximum performance and reliability.