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...
These Sport Headphones are specifically designed for runners and riders. The behind the head design with rear cable exit improves stability and comfort. They feature soft, sweat resistant earpieces. plus they sound great.
Skylon flight metal 3 way adjustable Sport headphones, have a radical new design aimed at athletes and Audiophiles. All metal, lightweight, 3-way adjustable for different size ears.