Valeton Dapper Bass Effect Strip with Tuner, Boost Comp, Dirty Q, Chorus, Octave, Bass Amp and more (with 9V power supply) (FBA-VES-2)Dapper Bass is an all in one workhorse for bass players. This strip has everything you need, plus some inspiration. FEATURES TUNER module with fast, accurate tuning Powerful BOOST COMP module for kicking your sound up Sensitive, vocal like DIRTY Q module with some interesting tricks BASS AMP module with wide tonal flexibility All analog monophonic OCTAVE module with individual octave dry signal control Warm, lush CHORUS module for expanding your sound