The aguilar apag2 agro ii bass overdrive pedal is ideal for bassists looking for classic grit smooth saturation or more aggressive distortion all while keeping their low end intact'. '.strtoupper('i')ts based on the saturation circuit of aguilars ag 500 head offering a wide tonal range controlled with simple but powerful tools.the contour dial sweeps through a broad mid scoop centred at 900hz helping you sit cleanly in the mix'. '.strtoupper('f')or added bite or clarity the presence knob adjusts treble above 4khz with up to 6db of boost or 20db of cut'. '.strtoupper('t')he saturation control lets you dial in the exact amount of gain from subtle warmth to full distortion while the level knob balances your output.with a rugged steel chassis and a gig saver bypass that keeps your signal flowing even with a dead battery the agro ii is built for live and studio use.