Construction costal very correct knobs I use it for two years without a reproach to him. The report qualitée price is the most correct.
Note cependent the abscence of a switch turned on.
No significant coloration of the sound and a clean finish.
Filters are the Linkwitz-Riley 4em order (-24dB/octave)
2 XLR inputs with 6 XLR outputs always, used in 2 x 2 way, 2 X 1 X 3-way and 4-way (choice of configuration button on the panneu arriérre.
It also has a low cut at 40Hz (-12 dB / octave) per channel and an INVERTER phase on each of 6 outputs.