RCF HDL 35-AS 2200W Active Flyable Subwoofer Module - 15"The HDL 35 AS is the ideal flyable bass complement for the HDL 26 A array system. It features a baltic birch plywood cabinet housing one 4. 0 voice coil, 15 Neodymium woofer to handle frequencies from 40 Hz to 140 Hz with the maximum linearity and lowest distortion. The 2200 Watts class D amplifier onboard delivers excellent playback clarity and up to 134 decibels SPL max. Due to its compatibility with RDNet remote monitoring and control, the HDL 35