Quad hybrid driver custom-fit IEMs with rich enveloping sound Exceeding frequency response, detail, and wide soundstage 1 dynamic low, 1 BA low-mid, 1 BA high-mid, 1 tia high with 4-way crossover Tia Single Bore eliminates unwanted tube resonance Internal modular apex technology ...Quad hybrid driver custom-fit IEMs with rich enveloping sound Exceeding frequency response, detail, and wide soundstage 1 dynamic low, 1 BA low-mid, 1 BA high-mid, 1 tia high with 4-way crossover Tia Single Bore eliminates unwanted tube resonance Internal modular apex technology eliminates pneumatic pressure LID Linear Impedance Design retains intended frequency response Hypoallergenic hard acrylic shells Fully customizable and custom-built from unique ear impressions 1.2m or 1.6m detachable professional audio cable 64 Audio is proud to introduce our newest four driver custom in-ear monitor, A4s. This complete redesign of their four driver platform is elevated by the Dynamic low frequency driver, making this 64 Audio’s second hybrid custom IEM. Along with that major update, inside A4s is 64 Audio's Tia technology, LID and their patented Apex and 3Dfit tech.
While this is targeted at musicians looking for a rich enveloping monitoring experience, the frequency response, detail, and soundstage capabilities of A4s exceed other audiophile products at almost any price point. Like all 64 Audio Custom IEMs, the A4s monitors are customizable and are hand built from your uniquely shaped ear impressions. They are inherently noise isolating and are designed to work with a wide range of personal audio devices as well as all hard-wired and wireless monitor systems.
Exceptional rich and enveloping sound.