Analog Audio Set Pro The Analog Audio Set Pro contains the instruments and accessories for line testing as a complete kit packed in the protective Minstruments Case. NTI #: 600 000 075 The Analog Audio Set Pro includes: Minirator MR-PRO Minilyzer ML1 with MiniLINK MiniSPL Adapter -20dB for ML1 Minirator -40dB Cable Test Plug (MR-PRO) Mains Power Adapter MR-PRO MR-PRO 70V/100V Protective Adapter Minstruments Case