The D shape adapters are problem solvers for various intermating problems for professional and semi-professional applications. This 3 pole female XLR to 6.35mm (1/4″) jack miniature transformer balancing adapter is a low cost solution for unbalanced/balanced line conversion and passive DI applications, where no earth or gain switching is required.
Rugged aluminium extrusion housing offers best reliability.
Audio transformer 1:1
Impedance ratio: 200:200
Source/load impedance in Ohm: 200/2k, (600/10k)
Max. Input level (@ 50 Hz, 1% THD): -3 dBu