The 4x4R offers four inputs, each switchable between a mic and line.
Each of four input sections offers a six LED meter, 48V phantom switch, 66
dB of mic gain and a Listen function to monitor any of the four input
sections through the front panel headphone amp.
In addition, each input section can be linked to the adjacent input section offering four different
input to output options: 4x4, 3x12 +1x4, 2x8 or 1x16. Optional transformer
isolation is available. A