The HDL 36-AS is the ideal flyable bass complement for the HDL 28-A array system. It features one 4.0” voice coil and a 15” neodymium woofer to handle 135 dB SPL Max from 40 Hz to 140 Hz with the maximum linearity and low distortion. The built-in 3200-watt Class D amplifier delivers excellent playback clarity and up to 135 decibels SPL max. Due to its compatibility with RDNet—remote monitoring and control—the HDL 36-AS is part of the professional HDL System.