STOMPLAB 1B by VOX. Bass pedalboard with 60 different effects grouped into categories such as rock, blues, metal, and pop from the VT amplifier series as well as the Tonelab series. It features the ability to edit and store 20 programs, use up to 8 effects simultaneously, built-in tuner, by pass-mute function, operates with batteries or external power supply (optional), headphone jack.