LINE6 DL4, a delay modeler. It was a pioneer of multi-function delay effects. Operation confirmed. Immediate purchase OK. Includes the original LINE6 adapter, and a printed-out version of the manual (downloaded). As a bonus, an effectors book is included. The enclosure is quite dirty, as it's an old effector. The R side of the input doesn't work, but the MONO/L input works fine. The outputs L and R work fine. The following is an automatically generated product description: Multi-function LINE 6 effector - Brand: LINE 6 - Color: Green - Accessories: AC adapter, Instruction manual - Model Name: Stomp Box Modelers - Functions: Delay, Echo Thank you for viewing.