The HE-1 from Nady is a compact audio hum eliminator that eliminates 60Hz or 120Hz AC hum from an audio signal by up to 20dB. The unit has a completely passive design that breaks ground loops safely while leaving signal grounds intact. It has a dual channel I/O interface with 1/4" TRS connectors, and can convert automatically back and forth between balanced and unbalanced lines. The result is high-quality audio with as little noise and distortion as possible.
Compact and durable metal chassis
Eliminates 60Hz or 120Hz AC hum from an audio signal by up to 20dB
Completely passive design breaks ground loops safely while leaving signal grounds intact
Dual channel I/O interface with 1/4" TRS connectors can convert automatically back and forth between balanced and unbalanced lines
High-quality components ensure high-quality audio with low noise and distortion