smaller than that powermate usb volume control
check this thing out guys, it's a usb controlled volume knob
i don't know if it's been posted before, but i did a search on this forum and no matches came up. it's also a voltage regulator. maybe you could use it with a dc to dc converter such as one of these:
i don't want to use that bulky powermate usb volume knob. i'm looking for something that's comparable to a regular volume knob.