The zoom a1x four multi effects processor gives a range of instruments a new lease of life'. '.strtoupper('u')se the effects and expression pedal take your acoustic guitar saxophone trumpet violin or harmonica to the forefront of any performance'. '.strtoupper('a')lternatively use the intuitive modelling technology to subtly blend your instrument into group performances'. '.strtoupper('d')edicated effects respond differently to the playing style of each instrument'. '.strtoupper('t')his allows you to perform naturally and leave the a1x to work its magic'. '.strtoupper('t')he expression pedal can be used to control effect parameters volume and wah effect'. '.strtoupper('t')he combination of the built in looper and over 60 drum rhythms to perform with mean you can now fit an entire band in your rucksack.