B-Band’s Crescent series preamp has a crescent-shaped housing that mounts on the inner edge of a guitar’s round soundhole and can be accessed by fingertips. It has preamp controls are designed to be accessed by fingers, and it’s available in three models – Crescent 1, Crescent 2 XOM with Blend control, and Crescent U with a USB interface – as well as one for ukulele. All include mounting hardware with a battery holder. Learn more at www.b-band.com.