PreSonus Preamp Bundle MP20 BlueTube DP V2 BlueTube DP TubePre V2 mic pre
PreSonus BlueTube DP V2 2-channel Microphone Preamp - tested and working, includes 3 units total PreSonus MP20 2-Channel Mic Preamp - tested and working, operates from standard 3-prong IEC. Overall they are in excellent shape.