Functionality: This device converts two unbalanced 1/4" TRS line inputs into two balanced XLR outputs, and can also function as a signal splitter, useful for connecting instruments to mixers and amplifiers.
Features: It includes a ground-lift switch to eliminate hum and a 3-position input attenuator (0 dB, 20 dB, 40 dB) to handle various input levels, including direct connection to amplifier speaker outputs.
Power: It can be powered by phantom power from a mixer or by a 9V battery.