I wish they still made the Sholtz "Rockman" headphone amp. It was a little battery powered "thingy" that would let you hear yourself fairly loud, but nobody else could hear. But it hasn't been marketed for years. So, here are some suggestions. First, some Mesa amps have an "overall master" volume control. After you have set all channels where you want them, you can turn them all down equally with this knob. With it, you can get down to bedroom volume. You will lose some sound quality, but it will still sound good for practice. Second, some Mesa amps have a "recording output" into which you can plug a 1/4" stereo jack from headphones. However, without doing more, the volume may be too high for headphones. So you might need to buy headphones with a volume control built in, or search for (or build) a device with a volume pot that connects between this jack and the headphones.