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 ZTONE from I-Mego is an interesting headphone that attempts to combine the style of custom in-ears with the fit of pre-made silicone. It was an incredibly valiant effort, but it just doesn't seem to work well. Build/Design - Well, probably the best part of the ZTONE is its build. It's got an excellent braided silver-plated copper cable that I've not seen on anything...” --pro1137