1x15" Powered Sub; 2 x 1000W RMS/4Ohms Powermodule; internal 24-bit DSP 1-in; 3-out; max SPL 128 db
1x18" Powered Sub; 2 x 1000W RMS/4Ohms Powermodule; internal 24-bit DSP 1-in; 3-out; max SPL 130 db
1x18", 8 Ohms Subwoofer, max SPL 130db; Extension for PSD 218 or stand alone