PreSonus DigiMax D8 8-Channel Mic Preamp Preamplifier Studio TEST UNIT Rk2

USED PreSonus DIGIMAX D8 8 Channel Preamp with 24 bit ADAT digital output. Has "TEST UNIT" sticker on side of box as well as " TEST UNIT" sticker underneath unit. Everything lights up when powered on. The last picture shows lights lighting up only when I power it on. SOMEONE NEEDS TO SIGN FOR PACKAGE.