64 Audio A4s Custom In-Ear Monitor cable not detachable The ZEN Phono is a

The ZEN Phono is a wonderful enhancement to your vinyl setup

Dimension：W21

of continuous music playback*

if they are equipped with the latest firmware (at least version FPGA 27

RINARO PARUS® DIAPHRAGM

64 Audio A4s Custom In-Ear Monitor cable not detachable The ZEN Phono is aA4s 64 Audio is proud to introduce our newest four driver custom in ear monitor, A4s. This complete redesign of our four driver platform is elevated by the Dynamic low frequency driver, making this 64 Audios second hybrid custom IEM. Along with that major update, inside A4s is our Tia technology, LID and our patented Apex and 3Dfit tech. While this is targeted at musicians looking for a rich enveloping monitoring experience, the frequency response,