Single-Channel XLR Audio Ground Loop Noise Isolator - Hum Eliminator - Passive, XLR-A600-I, M/F (Not Compatible with P24/P48 Powered Microphones)

DigitalLife Single-Channel XLR Audio Ground Loop Noise Isolator - Hum Eliminator - Passive, XLR-A600-III, M/F (Not Compatible with P24/P48 Powered Microphones)

Hosa GLT-255 XLR Female to XLR Male Ground Lift Hum Stopper

BESIGN Ground Loop Noise Isolator, Ground Loop Buzzing Noise Filter, Ground Loop Buzzing Noise Elimination for Car Audio and Home Stereo System with 3.5mm Audio Cable