Are you wondering if the amp is playable at 'bedroom' volume levels? The simple answer would be 'yes,' but you'll want to play it loud. In fact, why the volume knob goes lower than '2' I'll never know...
Your second question: The amp has a master volume, which allows you to turn the two channels up, and get distortion. It won't be the gain-y Marshall sound you might be hoping for, but it has it's own beauty.
If you're buying this, and can check it out(though I assume this is an online purchase, if it's anything), do so.
Good luck!