Audio/video controller, with D.N.R. function, AV2511 II model. - Model Name: AV2511 II - Type: Audio/video controller - Connection Terminals: Audio input/output terminals - Function: Equipped with D.N.R. function - Volume Adjustment: Mix level adjustment knob - Power: Equipped with standby function Power on has been confirmed only. It was used for a long time, but has been stored for about a year after being removed. Everything in the photos is included. Please refrain from purchasing if you are sensitive to details. No claims, no returns. Thank you for viewing.