Rockville RDI5 DI Box Converts Guitar/Instrument Signal to Balanced Mic Level

RapcoHorizon DB-1 Passive Direct Box - 1-Channel DI for Guitar/Bass/Keyboard

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

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

Behringer Ultra-DI DI600P 1-channel Passive Microphone / Instrument Direct Box

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

Hosa DIB-443 Sidekick Passive DI Box