![[GRADE B] FIIO K9 PRO ESS DAC 2x ES9038PRO Headphone Amplifier 2x THX-AAA 788+ Bluetooth aptX-HD LDAC 32bit 384kHz DSD256 MQA](https://www.audiophonics.fr/60594-thumb_default/fiio-k9-pro-ess-dac-2x-es9038pro-headphone-amplifier-2x-thx-aaa-788-bluetooth-aptx-hd-ldac-32bit-384khz-dsd256-mqa.jpg)
As a dac
The first impression is that it has a serious problem with the stereo cross talk;huge difference between left and right and generally not the warm sound you would expect from an asynchronus usb dac.Also do not use the included cable as it makes the problem worst.
This review has been posted for SMSL PO100AK USB Interface XMOS XU316 DAC AK4493S 32bit 768kHz DSD512 MQA The first impression is that it has a serious problem with the stereo cross talk;huge difference between left and right and generally not the warm sound you would expect from an asynchronus usb dac.Also do not use the included cable as it makes the problem worst.
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