【Operation Verified】 ● Phono connection tested with a player, and record playback was confirmed. Output was successful without any issues. ● Features two systems for video and audio. Combination operation is possible, such as video on system 1 and audio on system 2. ● Supports two speaker systems and also supports surround speakers. (Description) TA-AV500 with surround mode switching function, bass, tone, and treble adjustment. - Model Name: TA-AV500 - Function: Surround mode switching - Remote Control: Included - Connection Terminals: Video input x 4, Audio input (player, tuner, CD, tape) - Adjustment Functions: Bass, tone, treble adjustment Thank you for viewing.