Neutrik NA2 F-D2B-TX, Miniature Transformer Symmetry AdapterCost-effective solution for unbalanced / balanced line conversion and passive DI applications that do not require grounding and amplifier switching. (The adapter is not a DI box!) Typical applications:@+@+• From the output of a DJ mixing console - Amplifier rack (long way)@+• From the output of a CD or cassette player - Mixer (long way)@+@+, With transformer, Female XLR to Cinch phono jack 1: 1 - 200R / 200R, Red coded