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...
The iPod Headphones give you high quality sound and enhanced bass, and they fit comfortably in your ear. They're compatible with iPod nano, iPod video, iPod mini, iPod Shuffle, and any audio source with a 3.5 mm headphone jack