Premium Direct Injection Audio Box - Passive DI Unit Hum Eliminator w/ Input ...

Pyle Professional High-Performance Passive DI-Box-(1/4''/XLR) Direct Box

Warm Audio WA-DI-P Passive Direct Box

-PRO Premium Direct Injection Audio Box - Passive DI Unit Hum Eliminator W/ Inpu

Pyle Premium Direct Injection Audio Box - 2.36" X 4.09" Passive DI Unit Hum Elim

Signal Flex direct box passive

- Art ARTcessories Zdirect - Professional Passive Audio XLR - 1/4", Z Direct Box

Whirlwind Imp 2 Direct Box Passive DI, Made in USA