Click here to download the TempoTec March V-M5 Firmware V1.1

Click here to download the Sonata BHD Pro firmware V1.2 to support DSD512 native.

Please read the instruction first and pay much attention about the "IMPORTANT" tip before you flash the firmware.

Click here to download the TempoTec V3 firmware.

Change log:
1. change gain level from "High and Low" to "High, Middle and Low";
2. Add 4 more digital filters in firmware V1.0;
3. Add 4.4mm Line out Output;
4. USB DAC mode work with Mobile phone.
  How to set it on V3, turn on the following settings:
   System->USB working mode->Device
   System->USB device mode->Audio
   System->USB current limited->ON
5. Multi-layer file folders support
    Read tracks under multi-layer files completely.

_{Click here to download the TempoTec USB2.0 Audio Driver for Sonata BHD Pro Win7Win8}

_{Click here to download the TempoTec USB2.0 Audio Driver for Sonata BHD Pro Win10}

_{Click here to download the TempoTec USB2.0 Audio Driver for V6 Win7Win8}

_{Click here to download the TempoTec USB2.0 Audio Driver for V6 Win10}

Click here to download TempoTec M3 firmware.

Please read the instruction to update firmware.

_{Click here to download the TempoTec USB2.0 Audio Driver for M3 Win7Win8}

_{Click here to download the TempoTec USB2.0 Audio Driver for M3 Win10}

_{Click here to download the TempoTec USB2.0 Audio Driver for Serenade X Win7Win8}

_{Click here to download the TempoTec USB2.0 Audio Driver forSerenade X Win10}

<sub>Click here to download the TempoTec V6 Firmware V1.10.
Change log:
1. Add 192kHz support for Amazon music app.
2. add "on/off" switch for Play Store, HiByCast and CoolApk. Provide a choice for you to run or quit the APP as need. Save and reserve runtime memory for music process.
3. Update HiByMusic App to 2.06_V6057.
4. Fix L&R channels occasionally swapped problem while weaken from standby status.</sub>

_{Click here to download the TempoTec V6 User manual}

_{Click here to download the Sonata HD V Firmware}

_{Click here to download the Sonata HD III Firmware}

_{Click here to download the Sonata HD II Firmware}

_{Click here to download the Sonata HD V&Sonata HD III&Sonata E44&Sonata E35&Sonata BHD&Sonata HD PRO Windows USB2.0 Audio Driver}