This is a junk item. The reason for it being junk is that it does not have speakers, etc., so the operation has not been confirmed. Even if you connect speakers, there is a possibility that audio and video will not be output. It powers on, and the LCD display is bright. This is an item for sale of the main unit only. ONKYO PR-155SP AV controller, a high-performance model with a digital display and various connection terminals. - Brand: ONKYO - Model: PR-155SP - Type: AV Controller - Connection Terminals: Digital input, analog input, multi-channel input - Volume Adjustment: Master volume knob - Display: Digital display - Appearance Condition: Some scratches Thank you for viewing.