Radial Engineering Bassbone V2 Bass Preamp Direct BoxOustanding do it all preamp package from Radial primarily designed for use with two different basses. Really shines when switching between upright and electric bass. Great piece of gear! The Bassbone V2 combines high quality audio performance with the ability to take control of your tone and configure each feature to match your ideal setup. Seamlessly switch between upright and electric basses, while tailoring the signal from the upright with a three