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Topping Technology Co., Ltd

https://www.toppingaudio.com/

Tel: +86-20-37219489
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Centaurus Firmware
Changelog
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V0.54 (April 24, 2026)

Fixed: Abnormal left/right channel audio input and UV meter display when IIS inversion is enabled
Fixed: Several other known issues
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V0.48 (December 23, 2025)

*Fixed: Astell&Kern player not recognized
*Fixed: UAC1.0 not recognized
*Fixed: Audio anomaly when switching coaxial/optical to 192K
*Fixed: Audio anomaly when playing DOP64

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V0.44 (November 14, 2025)

*Fixed: Error occurred when uploading the device's preset EQ parameters to the host computer.

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V0.43 (October 27, 2025)

*Adjustment: Adapted to Tune software versions later than V1.07, enabling 0.1dB gain adjustment.
*Fixed:  Resolved the issue where a 1-second lag occurs shortly after adjusting the volume.
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V0.42 (October 11, 2025)

*Fixed: When playing DSD in NOS mode, the left and right channels are reversed.

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V0.41 (August 26, 2025)
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*Fixed: OS 8X is prone to distortion

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V0.40 (July 23, 2025)
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* Adjustment: DSD playback now automatically locks to maximum volume
* Adjustment: PEQ order changed — default presets appear first, followed by user-defined ones
* Adjustment: The 5 system preset PEQs can now have their parameters and names edited or be deleted via Tune
* Adjustment: In the menu, EQ is now displayed as "index + name" instead of just the index
* New:  Reminder to disable PEQ when connecting to the PC software
* New:  Option to retain PEQ settings when performing a factory reset
* New:  In the FFT screen, large-font pop-up displays will show for 3 seconds when adjusting volume, switching input, or switching output, then return to the normal screen
* Fixed: Incorrect channel balance amplitude
* Fixed: Volume display in DAC mode
* Fixed: No audio output in UAC1.0 mode
* Fixed: Several other known issues

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V0.28 (April 23, 2025)
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* Fixed: Signal-triggered power on/off not working

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V0.27 (April 21, 2025)
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* Fixed: Unstable performance in OS and BEST modes

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V0.26 (April 15, 2025)
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* Fixed: After setting High Sample Rate Mute and rebooting the device, unmuting via the PEQ software does not automatically cancel mute; manual unmute via remote is required.

* Fixed: Performing a factory reset does not cancel High Sample Rate Mute.

* Fixed: After muting the device, rebooting via the rear power switch does not cancel the mute.

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V0.25 (April 10, 2025)
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* Fixed: In NOS Bypass mode, IIS input can play DoP and DSD Native, but FFT is not displayed.

* Fixed: With optical input in NOS Bypass mode, switching from DoP64 to PCM produces a pop noise.

* Fixed: When the device is muted, going into standby and powering back on cancels the mute function.

* Fixed: With Bluetooth input in LDAC format, playback resumes with stuttering at the beginning after pausing.

* New: High Sample Rate Mute mode added.

* Fixed: With USB input in NOS Bypass mode, DSD playback outputs only noise.

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V0.24 (March 29, 2025)
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New: NOS Bypass mode added.

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V0.23 (March 14, 2025)
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* Fixed: Incorrect display when switching PEQ via remote control.

* Fixed: Caused upper computer crash when entering standby mode.

* Fixed: Unable to switch PEQ configuration when USB is unplugged during connection with the upper computer.

* Fixed: PEQ configuration was cleared after performing a factory reset.

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V0.21 (January 22, 2025)
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* Fixed: In the menu, PEQ selection could cycle right via remote but not to the left.

* New: Upload default EQ to upper computer.

* New: Record whether the last EQ display mode in the upper computer was L+R or L/R.

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V0.20 (January 9, 2025)
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* New: Independent PEQ parameter adjustment for left and right channels.

* New: Added 5 preset PEQ configurations locally on the device.


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V0.18 (December 18, 2024)
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* Fixed: Resolved issue where no sound was output when playing PCM files via IIS input
* Fixed: Resolved issue where VU meter was not displayed when switching sample rates
* Fixed: Resolved issue of audio glitches when switching sample rates
* Fixed: Resolved issue of noise output when switching to 768KHz sample rate

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V0.17 (December 09, 2024)
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* Fixed: Occasional noise when switching to Bluetooth
* Fixed: PEQ settings not saved after restarting the device

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V0.16 (December 03, 2024)
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* Fixed: Popping sound during power on/off and sample rate switching
* Fixed: PEQ configuration can be switched on the device when running PEQ software
* Fixed: PEQ settings not saved after restarting the device
* Fixed: VU display not showing when playing DOP256

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V0.15 (November 16, 2024)
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* Fixed: PEQ settings not saved
* Fixed: VU display abnormality when switching to other inputs when playing DSD128 on USB
* Fixed: Cannot restore factory settings by remote control operation
* Fixed: Pause playback when Bluetooth input, the sample rate will change back to 44.1K

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V0.14 (October 29, 2024)
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* Initial version

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