Optimus Prime's Stereo Equipment Old School Audio - Old School Prices - Professionally Tested Product Description This YOKO YK-888 Digital Echo Mixing Amplifier has been fully bench-tested and confirmed working properly across all primary functions. It features multiple microphone inputs, echo/repeat/delay controls, and dedicated audio/video input switching. The unit is in good used cosmetic condition with minor tape residue and signs of handling; please inspect all photos carefully. Please review all photos for details. Highlights At A Glance ✔ Fully tested and verified ✔ Good cosmetic condition with minor wear and tape residue ✔ Fast, insured shipping, carefully packaged Testing & Verification Each channel output was checked for clean, balanced power output with no distortion. Microphone inputs 1, 2, and 3 along with their individual level controls and digital echo effects were tested and verified functional. All RCA line-level inputs, video pass-throughs, and tone controls were fully operated and confirmed responsive. Shipping Fast, insured shipping from Minnesota. Item is carefully packaged for safe delivery.