Another monophonic analog TB-303 clone! The FB 383 is a re-packaged version of the MB 33 with a special front-panel design as part of an exclusive deal with Turnkey music shop UK. Just like the MB 33, the FB 383 offers all the same basic sounds and controls as the original TB-303 in a 1-unit rack module. It has just 8 basic knobs for the same basic 303-like control: tune, filter cutoff, resonance, envmod, accent and decay. Unlike the 303 however, the oscillator can be varied from sawtooth to square from a knob on the front! Also featured is an external audio input to the filter for processing other elements.

The FB-383 makes a decent 303 sound however it lacks too many functions that should be there. Controls do no send or receive MIDI and there is no memory for storage of your own sounds. However, at its low price tag, you get what you pay for and for a quick and easy 303 the FreeBass comes in handy!