The Purple Audio MFMeters 2RU Meter - Three Input has 11 pairs of LED meters, 10 inputs, and 1 stereo master meter. The Meter Bridge was designed for use with the MF Series Console, however, everything in this series can also be used with your existing gear as a standalone piece. This version includes three DB-25 stacked input for use with a standard balanced 8 Pair Cables. For use as remote metering for DAW, Tape Machines, 5.1 or 7.1 Metering, Stereo source metering, etc. The inputs 1-8, 9-16, 17-22 are multed with 100k input impedance so no additional patch or mult is needed to insert in signal path.