Description Powered 18” subwoofer with 4” Voice Coil Maximum 136dB SPL and 30Hz-150Hz frequency range is ideal for today’s sound engineering demands High power 1600W Class-D amplifier module 96kHz DSP for true high-definition sound with super low latency Access a variety of DSP functions and load presets, or make precise adjustments to PEQ, delay and routing etc. via the intuitive LCD display Equipped with D-XSUB processing and cardioid mode capability Lightweight yet very durable plywood cabinet with premium grade Polyurea coating Optional speaker cover (SPCVR-DXS18X) and wheel kit (SPW-1)