iFi LAN iSilencer - LAN Signal Noise Filter - Remove Electrical Noise - Ethernet Isolator for Hi-Res Audio Systems (RJ45)
MG Electronics Class II Transformer - 12 Volt AC, 40 VA, UL/CSA Approved : MGT-1240
19 Volt AC Replacement MKS-1902000H Transformer,Compatible with Mighty Mule RP1010 Power Supply
Ground Loop Isolator - Cable TV Audio Isolation Transformer,Hum Buzz TV/Noise Eliminator
JBL Professional MTC-300T150 150-Watt Transformer for Higher Output from a 70V or 100V System