RAMSA (Panasonic) WR-M10 4 ch studio routing mixer. Highlight features; 4 balanced XLR ins with eq and F/X sends Balanced stereo out 6 stereo ins (unbalanced) Rack mountable (4RU) A whole buncha ways to route various sources, perfect for routing monitor and headphone mixes, or just to add a really straightforward talkback mic. RAMSA was apparently made by Panasonic which, if you know anything about audio gear, means excellent build quality. Asking roughly half market value if recent reverb sales are any indication; https://reverb.com/item/13402551-ramsa-wr-m10-rackmount-mixer-with-built-in-limiter