Datavideo DAC-80 2 Channel Audio Isolation Transformer - Lbra Professional Broadcast
DAC-80 is designed to remove hum and buzz created by ground loops. Normal voltage differences in the system grounding points between different pieces of equipment cause small AC power currents to flow in the shield of audio cables. Easy to use Eliminate audio noise caused by ground loops Designed for low signal loss and low distortion Passive device (No power required)