Features:
- Eliminates AC hum (60Hz/120Hz buzz) easily with up to 20dB of attenuation
- Converts automatically back and forth between balanced and unbalanced lines at either end?also can be used as direct box which converts signals from unbalanced to true balanced
- Breaks grounds loops safely, while leaving all signal grounds intact
- Dual Channel I/O with 1/4" TRS "smart" jacks
- Completely passive design with audiophile quality components assures the best possible noise and distortion-free performance