“ I think it is safe to say that the headphone market is on an upward swing. Headphones are no longer relegated to being niche products, but have become far more mainstream than ever before. We are seeing growth in all categories, ranging from budget models to celebrity endorsed overpriced gear, and even very expensive flagship products. In ear monitors...” --project86
The 4.Ai, a hand crafted In Ear Monitor (IEM) utilizing the same internal design and components in the 4.A Custom In Ear Monitors (CIEM). The 4.Ai requires the same painstaking hand craftsmanship that all Heir Audio CIEMs require. The 4.Ai offers all the advantages of an IEM, built with the same exacting standards of all Heir Audio products. The 4.Ai, like its cousin the 4.A, offers a clean...