ART - Clean Box 2 Hum Eliminator Dual Channel Isolation Transformer 1/4" TS-TRS

ART DTI 2-channel Hum Eliminator

Pyle Hum Eliminator Noise Isolator AC Noise Filter with XLR TRS Inputs Outputs

ART DTI 2-channel Hum Eliminator

EBTECH Hum Eliminator Black/Yellow ebtech Unit Hum Eliminator Unit Music

Pyle Pro PHE400 Hum Noise Eliminator 2 Channel Box

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

New Pyle PHE400 Hum Noise Eliminator 2-Channel Box W/ 1/4" TRS Phone XLR Jacks