Nagaoka audio insulator made in Japan 4 pieces INS-SU01

The audio insulator Ruby + Stainless Steel, which combines a ruby ball and metal, tightens the low range in particular, and improves the clarity, resolution, and localization of the sound image in the mid-to-high range. When you install the product, you can see some of the ruby wood, but the color changes depending on how the light hits it, and the contrast between the metallic luster and the ruby luster gives it an even more luxurious feel.