If it is attached to your cab/cabs at 4 Ohms and you turn up loud enough, yup. The Master Volume does not effect the DI signal.
Also if you are not running cabs it can be used as just a DI Box. For unaffected sound use Pre (meaning before the EQ section) if you want to add a bit of Color to the Board when running just as a DI, such as Contour B or some Drive, switch to Post (meaning sound after the EQ).
All knob adjustments on Post DI will effect the house except Master Volume so be mindful of how you "add to the sound" or Ruin the sound out front.
Picture of the Magellan 800 cabless used just as a DI to front of house, I do this every weekend.
In my case I send Post with a bit of Drive for flavor, all else flat.
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