Acquired from Hollywood studio Comes with external power supply. comes rolling case A very good condition GL4 40 Channel mixing console with meter bridge. Well kept unit that includes Anvil road case. The case has built in cable trough with vents. Three fader knobs are missing. No known issues has been a stored in case since 2006. Unit can be tested in house before purchase. This is one sweet console perfect for audiophiles wanting bullet-proof, big-budget sound. Clean warm, as only Allen Heath can deliver.