Linear Acoustic Aero AIR XL Loudness Manager Audio Processor- AS ISThis item is sold AS IS. No returns or exchanges are accepted. Condition Used Description This unit powers on but has 2 bad power supplies. Also, the display never comes on, and the unit eventually will power cycle itself. For this reason we are selling the unit AS IS. Unable to test further, may have unknown issues we are not aware of. Sold AS IS for parts repair only. See all item photos for condition of the unit. Unit is on hand and ready to ship.