Uploaded April 2023 | Updated September 2026, 1 week ago

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A quad driver hybrid UIEM featuring ground-breaking patented technologies originally developed for our flagship products in order to bring a wider audience closer to their music.

0:00-1:30 (64 Audio company info)
1:30-3:12 (U4s specs)
3:13-4:06 (Outer packaging)
4:06-5:08 (Custom vs universal)
5:08-7:51 (Unboxing accessories)
7:51-9:42 (m12 Apex Modules)
9:42-10:59 (Unboxing U4s)
10:59-14:16 (Shell color and faceplate)
14:16-14:34 (Cable)
14:34-19:00 (Sound)
19:00-19:55 (On head)
19:55-20:16 (Outro)

Learn More: 64audio.com/products/u4s

U4s Blog: blog.64audio.com/introducing-u4s

#Unboxing #InEarMonitors #64Audio