64 Audio U12t In-Ear Monitors Earphones We optimized the HD 660S

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

you won’t get tired when you’re in the middle of a long session

If you want an audiophile-level standmount speaker for a stereo set-up in medium-size room

Pearl Premium Cable

Versatile HDMI ARC connectivity: 5 HDMI inputs with full HDCP 2

64 Audio U12t In-Ear Monitors Earphones We optimized the HD 660S2 years local warranty. Any mention of "us," "we," "our," etc is by 64 Audio, not AV One. U12t does it all, delivering immersive sound and impeccable spatial imaging. Its articulate highs extend beautifully with a warm and engaging low end response just like its custom counterpart, the A12t. Offering reference level detail, this IEM has become one of the most highly regarded and sought after audiophile UIEMs. Each ergonomic shell is machined out of a