【Product Description】 PreSonus studio monitor controller High-quality design with a pure passive signal path for uncolored sound LED meters are turned OFF (disabled) for better visibility when rack-mounted and to eliminate noise sources Recommended for those who do not need the LED lights All functions have been tested and confirmed to be working, and a power adapter is included, so it can be set up immediately 【Main Specifications】 ・Inputs: Stereo 3 systems (TRS x2 / RCA x1), Digital input (S/PDIF) ・Outputs: Speaker output 3 systems (A/B/C), Main output, Cue output ・Circuit: Passive audio path (main signal path) ・Functions: Talkback, Mute, DIM, Mono summing ・Power: Dedicated adapter driven 【Condition】 ・The exterior shows little signs of use and is in good condition ・LED meters are set to OFF (does not affect audio output) ・Each knob, switch, and input/output operate well 【Included Items】 ・Main unit ・Dedicated power adapter ※The remote control was originally sold separately, so it is not included, but all operations are possible on the main unit Although the operation has been confirmed, please refrain from purchasing if you are sensitive to used items or seek perfection to avoid any trouble. We kindly ask that you read the profile before considering a purchase to avoid any unpleasant experiences. We hope for a smooth transaction, so thank you for your understanding.