RADIAL STAGEBUG SB-1 ACTIVE ACOUSTIC DI Tiny DI with big features Although the Radial Engineering SB-1 is small enough to fit in your guitar case, the company didn’t skimp on features or durability. Built specifically with acoustic guitar in mind, this phantom-powered DI features a phase button for feedback cancellation you can control onstage and a switchable -15dB pad for high-output active electronics. A parallel quarter-inch jack complements...