RDL RU-UDA4 2x4 Stereo Audio Distribution Amp + RU-LA2D Interface

RDL RU-UDA4 2x4 stereo audio distribution amplifier with RU-LA2D balanced/unbalanced interface. Used, tested and working.
What it is: the RU-UDA4 -- two separate isolated channels of unbalanced line-level distribution, 4 outputs per input (-10 dBV), unity gain, 5Hz-50kHz response, under 0.020% THD+N -- plus the RU-LA2D balanced-to-unbalanced interface.
Use: pro-AV and installation audio -- distribute a stereo line signal to four destinations each, or run as two independent mono DAs.
Condition: Used, tested and working.
Returns: 30-day returns, buyer pays return shipping.