The electro harmonix nano q tron envelope controlled filter is a compact version of the classic micro q tron renowned for its exceptional organic and analog sound'. '.strtoupper('t')his versatile effect pedal transcends the ordinary fitting seamlessly into a wide range of musical genres and delivering outstanding results on guitar bass keys horns and more'. '.strtoupper('a')s a pioneer in envelope controlled filter technology since the 1970s electro harmonix has crafted the nano q tron with a deep heritage and expertise'. '.strtoupper('d')esigned to respond to your playing style and dynamics this pedals cutoff or centre frequency is controlled by the volume of your input signal'. '.strtoupper('t')he result is a wide range of tone altering effects from subtle nuances to dynamic sweeps auto wah to ultra funky sounds'. '.strtoupper('w')ith intuitive controls such as the volume knob for output level drive control for filter sweep sensitivity and q control for peak bandwidth adjustment you have complete command over the desired effect'. '.strtoupper('t')he lp bp hp mode switch further enhances your sonic possibilities by selecting the frequency range the filter will pass whether its emphasizing the lows lp midrange bp or highs hp'. '.strtoupper('b')uilt with a pedalboard friendly compact and rugged enclosure the nano q tron is ready to withstand the demands of any performance.