“ Expanding on the pros, other likes- - These cans are pretty comfortable imo, with the velour pads and soft headband. I havent had any problems with pressure points on the headband, and have been able to wear them for several hours on end without much fatigue. Clamping force is just right. Tighter than, for example, a Creative Aurvana Live, but looser than my FA-011s. Fairly light weight. -...” --kidcharlemagne
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...