EWI Frequency Filter DIRECTBOX FDB-101, Passive Direct Injection, Untested

Radial ProAV2 2-channel Passive A/V Direct Box

ART PDB Passive Direct Box Mono DI Box for Guitars and Keyboards

Pyle PDC22 passive DI box audio hum eliminator 1/4" XLR converter dual direct

Pyle Passive DI Audio Box 6 x 10.4cm Direct Injection Hum Eliminator with Input

On-Stage - Passive DI Box (DB500)

Behringer Ultra-DI DI400P Passive Direct Injection (DI) Box High-Performance

Passive Direct Box Audio DI Unit Hum Eliminator w/ Attenuator Guitar Bass XLR