DSP functions include: 7 PEQ bands, LPF, phase, subsonic filter, limiter, mains delay, and HPF ^^ Single-knob control panel with high-contrast LCD display and status LEDs ^^ Fast, intuitive PC-based GUI software enables full access to the DSP functions ^^ Efficient Class D output topology ensures high-impact low frequency performance ^^ Includes both balanced and unbalance line level inputs and outputs