Buffalo FX PropellerThe Propeller boost Circuit has been tuned to deliver anything from a flat transparent tone that lets the full glory of your amp shine through to rounded lows and a bell like top end chime that adds another dimension to your tone. Roll back the treble for a more vintage flavour or cut the bass and push it hard for a great solo boost without any low end muddiness. The high quality switchable buffer ensures the natural tone of your guitar is delivered