The Vintage Ross DM-100 Professional Mixer Board is a rare find from South Korea that powers up just fine, despite missing a few knobs. Known for its quality and durability, the Ross brand is synonymous with professional audio equipment. This mixer board is a valuable addition to any vintage audio collection, offering a unique glimpse into the world of consumer electronics from the past. With its classic design and brand reputation, this vintage mixer board is sure to be a prized possession for any audio enthusiast.