KA17 V2.10 firmware changes are as follows:

Updated at 2024-12-03

1. Added PEQ support for 1.0 mode

2. Add spdif output support for PEQ

3. Improve the problem that the EQ volume will become smaller when the iPhone is connected

4. Improve the problem that the side port in non-exclusive mode is connected to the power supply, and the playback volume becomes smaller after the USB is removed and inserted into the main port

KA17 V2.10 firmware download link: Click here

KA17 V2.00 firmware changes are as follows:

Updated at 2024-04-26

1. Added control of PEQ on the website of PC (https://fiiocontrol.fiio.com/).

2. Added high-pass and low-pass filter options for PEQ.

3. Added multiple control options for FiiO Control App, including filters, 

    gain, and volume.

4. Added three modes (A/B/C) for the button control, supporting play/pause,

    previous track/next track (not supported Exclusive USB Audio Excess Mode).

5. Fixed the issue where volume would decrease when enabling EQ.

6. Fixed the issue where settings on FiiO Control App cannot be accessed without

    enabling EQ.

7. Fixed the issue where there was no output when playing 32-bit audio in the

    Exclusive USB Audio Excess Mode after enabling EQ.

KA17 V2.00 firmware download link: Click here

KA17 V0.99 firmware changes are as follows:

Updated at 2024-03-06

1. Added the ability to connect to a computer for decoding. The volume on the computer

    can be adjusted and memorized.

2. Added mobile phone USB exclusive mode playback volume with adjustable volume.

3. Added a pop-up prompt for inserting USB into the side port.

4. Fixed the problem that switching EQ in FiiO Control App or on the local machine cannot

    follow in real time.

5. Fixed the problem of incorrect data saving when adjusting EQ custom 3 in FiiO Control

    App.

6. Modify the EQ switching logic. MQA is supported when EQ is OFF. MQA and DSD tracks

    are not supported when EQ is turned on.

7. Modify the filter name.

8. Optimize UI interface.

9. Other performance optimizations.

KA17 V0.99 firmware download link: Click here