DUYIWAA K1
DUYIWAA K1 Live Sound Card and Audio Interface User Manual
Model: K1
Introduction
Thank you for purchasing the DUYIWAA K1 Live Sound Card and Audio Interface. This multifunctional sound mixer and voice changer is designed for various audio applications, including DJing, music studio recording, live broadcasting, and online chat. It features Bluetooth connectivity and an intelligent noise reduction DSP chip for clear and stable audio.
Safety Information
- Do not expose the device to water or excessive moisture.
- Avoid extreme temperatures.
- Do not disassemble or attempt to repair the device yourself. Refer to qualified service personnel.
- Use only the provided charging cable and accessories.
- Keep out of reach of children.
Package Contents
Please check the package for the following items:
- 1x DUYIWAA K1 Digital Sound Card
- 1x USB to Mini USB Cable (for charging)
- 3x 3.5mm TRRS to 3.5mm TRRS Cables
Product Overview
Familiarize yourself with the various components and controls of your K1 Live Sound Card.

Figure 1: Front view of the K1 Live Sound Card, highlighting the microphone controls, specific effects, record volume, monitor, echo, and accompaniment sections. Large silver knobs control Treble, Middle, Low, Light, and Sound, while faders manage Dodge, Power, Balance, and Umlaut.
Control Layout:
- Microphone Section: Includes knobs for Treble, Middle, Low, and buttons for various voice effects like "Thank you," "Despise," "Astonished," "Oh, oh," "Minions," "GO," "Song," "KO," "Song," "DJ," "Laugh," "Coming," and four customizable buttons.
- Specific Effects: Buttons for "Dry," "Introversion," "Male," "Female," "Baby," "Uncle," "Robot."
- Record/Volume/Monitor/Echo: Faders for Dodge, Power, Balance, Umlaut, and buttons for Autotune, Mc, Even mai, Anchor, Beautify, Dodge, Silencer, Denoise.
- Accompaniment Section: Includes a large knob for Sound and buttons for BT (Bluetooth), "What?," "Bingo," "Hallelujah," "Aggregate," "Debut," "Whip," "Crow," "Slap," "Cheer," "Gun," "Awkward," "Laugh1," "Clap," "Kiss2."
- ON/OFF Button: Power control for the device.
- Light Knob: Controls the color light feature.
Setup
Follow these steps for initial setup of your K1 Live Sound Card.
- Charging the Device: Connect the provided USB to Mini USB cable to the "Sound card charging" port on the K1 and to a DC5V power source. The battery capacity is 1800mAh, providing up to 6 hours of standby time.
- Connecting Microphones: Use a 3.5mm TRRS cable to connect your microphone to the appropriate input port on the sound card.

Figure 2: The K1 Sound Card shown with a connected microphone, illustrating a typical setup for audio input.
- Connecting to Devices (Mobile/Tablet/Computer):
- For mobile phones and tablets, use the 3.5mm TRRS cables to connect the sound card to your device's audio jack.
- For computers, connect via USB. The K1 supports live broadcasting on both mobile phones and computers.

Figure 3: The K1 Sound Card integrated into a live broadcast setup, demonstrating its compatibility with smartphones and other studio equipment.
- Bluetooth Connectivity: To connect via Bluetooth, press the "BT" button in the Accompaniment section. Pair your Bluetooth-enabled device (e.g., smartphone) with the K1 sound card.

Figure 4: The K1 Sound Card displaying its Bluetooth connection capability with a smartphone, indicated by the Bluetooth icon on the phone screen.

Figure 5: The K1 Sound Card setup with a microphone, emphasizing its wireless connectivity options for audio input.
Operating Instructions
This section details how to use the various functions of your K1 Live Sound Card.
Power On/Off:
Press the ON/OFF button located at the top center of the device to power it on or off.
Microphone Control:
- Adjust the Treble, Middle, and Low knobs to fine-tune your microphone's sound.
- Utilize the various voice effect buttons (e.g., "Thank you," "Minions," "Male," "Female," "Robot") to change your vocal output.
Audio Effects and Mixing:
- Use the Dodge fader to automatically lower background music when speaking.
- Adjust Power, Balance, and Umlaut faders for overall audio mixing.
- Activate Autotune for pitch correction or Denoise for background noise reduction. The intelligent noise reduction DSP chip ensures high sound quality.
- Control the Light knob to adjust the color light feature, enhancing your studio atmosphere.
Accompaniment and Sound Effects:
- Adjust the large Sound knob for accompaniment volume.
- Trigger various sound effects using buttons like "What?," "Bingo," "Hallelujah," "Slap," "Cheer," "Laugh1," and "Clap."
Maintenance
- Clean the device with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Store the sound card in a cool, dry place away from direct sunlight.
- Ensure all cables are properly connected and not strained.
Troubleshooting
No Sound Output:
- Check if the sound card is powered on.
- Ensure all cables (microphone, output to device) are securely connected.
- Verify volume levels on the sound card and the connected device.
- If using Bluetooth, ensure it is properly paired and connected.
Poor Sound Quality / Noise:
- Check microphone placement and ensure it's not too close to speakers.
- Activate the Denoise function.
- Adjust the Treble, Middle, and Low knobs to optimize sound.
- Ensure cables are not damaged or faulty.
Device Not Charging:
- Verify the USB to Mini USB cable is correctly inserted.
- Try a different USB power source or adapter.
- Ensure the charging port is clean and free of debris.
Specifications
| Parameter | Value |
|---|---|
| Product Name | Live Sound Card K1 |
| Charging Voltage | DC5V |
| Battery Capacity | 1800mAh |
| Product Weight | 1.2KG |
| Product Dimensions (L x W x H) | 242mm x 172mm x 28mm (9.53" x 6.77" x 1.10")![]() Figure 6: The K1 Sound Card with its physical dimensions clearly marked, providing a visual reference for its size. |
| Interface Diameter | 3.5mm |
| Charging Port | MICRO USB |
| Supported Devices | Mobile phones, Tablets, Computers |
| Connectivity Technology | Bluetooth, USB |
| Number of Channels | 3 |
| Output Connector Type | TRS |
Warranty and Support
For warranty information and technical support, please refer to the seller's policy or contact DUYIWAA customer service through the platform where the product was purchased. Keep your purchase receipt for warranty claims.
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