The zoom a1 four multi effects processor is packed with effects for acoustic guitar saxophone trumpet violin and harmonica'. '.strtoupper('t')hese authentic effects use modelling technology to enhance your performances and get your audience moving'. '.strtoupper('e')ach instruments effects are treated differently ensuring your natural playing style gets the best from the zoom a1 four'. '.strtoupper('f')rom a saxophone growl to the harmonica mic modelling youll become your own band with the a1 four'. '.strtoupper('t')he robust stomp design allows for loop recording up to thirty seconds allowing you to utilise up to five effects simultaneously'. '.strtoupper('t')he a1 four is also packed with over 60 drum beats to get take full advantage of your new sonic capabilities'. '.strtoupper('w')ith access to zoom guitar lab where further presets and modifications can be made the zoom a1 four really has an effect for every occasion.