64 Audio Fourte In-Ear Monitors Speakers As a result

As a result

Make no mistake: you’ll experience performance you simply wouldn’t expect at this level

We optimized the HD 660S for efficiency on a wider range of devices to accommodate the varying levels of power present in output amplification circuitry

"Studio Grade" XLR Connectors

Six conductor version

64 Audio Fourte In-Ear Monitors Speakers As a result2 Years Local Warranty. Any mention of "us," "we," "our," etc is by 64 Audio, not AV One. Fourt is the pinnacle of in ear monitor technology. With its entire design being made up of industry firsts, Fourt isnt just a four driver hybrid UIEM. The innovations of acoustically shaping micro chambers, direct radiating drivers, and the single sound bore come together in our patented tia technology. Fourt is our first IEM to feature internally integrated