FIIO K9 Pro ESS Skylight

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Product Overview
This is a limited edition variation model of the DAC-equipped headphone/preamplifier released by the Chinese personal audio manufacturer FIIO.
Purchased from a specialty store as a product from an authorized distributor.
The overwhelming power, resolution, and separation made me feel like I was hearing music for the first time.
It has an analytical and clear soundstage with a sense of power, and it was also very useful for Tarkov.
I love this product very much, but I am selling it to purchase a higher-end model.

Specifications
- DAC Chip
ES9038PRO x 2

Inputs
USB Type-B x 1
USB Type-C x 1
RCA Coaxial x 1
TOS Optical x 1
Bluetooth x 1
4.4mm Balanced Line Input x 1
RCA Line Input x 1
SBC/AAC/aptX/aptX HD/aptX LL/aptX Adaptive/LDAC

Outputs
XLR Balanced Line x 1
RCA Line x 1
4-pin XLR Balanced Drive x 1
4.4mm Balanced Drive x 1
6.3mm Single-ended x 1

Usage Status
- 1.5 years since purchase

Operation
- Fully functional.
All operations are normal.

Main Unit
- No noticeable scratches.
Rubber feet are attached to the bottom.
The unit has been cleaned with alcohol wipes, and all contacts have been cleaned with a contact restorer.

Accessories
- Quick Start Guide missing.
Part of the rubber cup for rear AUX input/output is missing.
All other accessories are included.

Exterior
- Slight scuffs on the decorative box.
One fold on the outer box.

Reason for Sale
- To fund the purchase of a higher-end model.
Not due to any dissatisfaction or issues with the product.

Pricing
- Used price at an earphone/headphone specialty store (B rank/as of April 2026): ¥90,000
Missing accessories: -¥3,000
Reference from other sellers: -¥7,000
All information provided is the seller's subjective opinion and has not been verified by a third party.
The seller will ship exactly what is shown in the photos.
As the seller is not a professional, there is a possibility that storage and cleaning may not have been entirely appropriate.