【Product Description】 This is the "Central Station" from PreSonus, a studio standard piece of equipment. It's a professional monitor selector that allows you to accurately control sound by switching between multiple analog and digital inputs, and up to 3 sets of monitor speakers and 2 sets of headphones. Main Features: Supports 3 analog inputs (TRS, RCA) + digital input (TOSLINK / S/PDIF) Speaker switching & volume adjustment for 3 systems Equipped with a high-precision LED meter Built-in talkback microphone, ideal for communication in recording sessions Remote operation supported (※Remote unit sold separately) This is a very convenient device that can centralize sound quality management and monitor switching in studio and mixing environments. Although a successor model has been released, it is still a long-selling model loved by many professionals. 【Condition of the Product】 ・Operation confirmed (Each button and knob works OK) ・Scratches and scuffs on the top and sides (see photos) ・The front panel and around the terminals are relatively clean ・General signs of use as a used item 【Included Items】 ・Main unit only (No power cable, remote unit, original box, etc.) 【Notes】 ・Everything in the photos is included. There are no other accessories. ・Please purchase only if you understand that this is professional equipment. ・Please note that it may be sold out as it is also listed on other sites.