STAX SR-009D Electrostatic Headphones on-ear After turning on SPDIF output

After turning on SPDIF output through the FIIO Control app

Auto sound calibration Yes

Limiting diaphragm vibration at low linear distortion range

5 Pentaconn adapter with AK/EE engraving

Whether it's the feel or the sound

STAX SR-009D Electrostatic Headphones on-ear After turning on SPDIF outputNEW MODEL with detachable cable The SR 009, the origin of STAX's current high end models. Equipped with a large circular sound unit featuring innovative fixed electrodes, this model led the high end headphone culture for a long time. Production had ceased with the arrival of the new flagship model, but now, in response to numerous requests from fans worldwide, it is making a comeback. With changes to the body color, cable material, and unit case, it