Aria COMPRESSOR ACP-1, a compressor with LEVEL, ATTACK, and SUSTAIN controls. *This item is listed as junk due to unconfirmed operation. - Model Name: COMPRESSOR ACP-1 - Controls: LEVEL, ATTACK, SUSTAIN - Output Terminals: 1/4 inch output jack - Design: Black body, Aria logo The product photos and actual colors may appear slightly different from the real item due to the type of monitor and lighting. Please consider this and carefully review the photos before purchasing! To prevent issues such as product substitution, please carefully examine the item before purchasing and only purchase if you are satisfied! Please purchase only if you understand the damage due to aging as this item has been stored at home.