1. Product Overview
The Singing Machine SDL9030DB Carnaval Karaoke System is an all-digital HD system designed for portable entertainment. It features a built-in screen, powerful speakers, and multiple connectivity options for a versatile karaoke experience.

Image: Front view of the Singing Machine SDL9030DB Carnaval Karaoke System, showcasing the main unit with its integrated screen and two wired microphones connected.
2. Setup
2.1 Unboxing and Initial Inspection
Carefully remove all components from the packaging. Verify that all items listed in the package contents are present and undamaged. Keep packaging materials for future storage or transport.
2.2 Power Connection and Charging
Connect the power adapter to the DC IN port on the unit and plug it into a wall outlet. The unit features a rechargeable battery for portable use. Allow the unit to fully charge before its first use for optimal battery life.
2.3 Microphone Connection
Plug the wired microphones into the MIC 1 and MIC 2 input jacks on the unit. The system supports two wired microphones for duets.

Image: Side view of the karaoke system, highlighting the integrated microphone holder and the connected wired microphone.
2.4 Portability Features
The Carnaval Karaoke System is designed for easy mobility with a built-in collapsible handle and wheels. Extend the handle and tilt the unit to roll it to your desired location.

Image: Rear view of the karaoke system, showing the extended collapsible handle and wheels, emphasizing its portability.
3. Operating Instructions
3.1 Powering On/Off
Press the ON/OFF button located on the control panel to power the unit on or off.
3.2 Using the Digital HD Screen
The integrated digital HD screen displays karaoke videos and system menus. Navigate through options using the control buttons or the interactive wired mic-remote control.

Image: The karaoke system's front, showing the screen actively displaying song lyrics, with a tablet mirroring content nearby.
3.3 Audio Input Options
- Bluetooth: Pair your smartphone or tablet wirelessly to stream music.
- USB/SD Card: Insert an 8 GB flash drive (included) or an SD card into the designated slots to play downloaded karaoke videos or music.
- Line-in: Connect external audio devices using a 3.5mm audio cable to the LINE-IN port.
- HDMI Output: Connect the unit to a larger display (e.g., TV) using an HDMI cable for an enhanced viewing experience.
3.4 Adjusting Volume and Effects
- Master Volume: Use the main volume knob to adjust the overall sound output.
- Mic Volume: Adjust individual microphone volumes for optimal balance.
- Echo Control: Use the ECHO knob to add a reverberation effect to your vocals.
3.5 Lighting Effects
The unit features multi-colored LED dome lights and music-synchronized 3D lighting effects. Use the LIGHT MODE button to cycle through different lighting patterns or turn them off.

Image: Top-down view of the karaoke system, with the disco ball-style LED dome light actively projecting colorful patterns.
3.6 Recording Performances
Press the REC button to record your vocal performances onto the inserted flash drive or SD card.
3.7 Official Product Video
Video: An official product video demonstrating the features and usage of the Singing Machine SDL9030DB Carnaval Karaoke System, including its portability, digital HD screen, microphone controls, and lighting effects.
4. Maintenance
4.1 Cleaning
Wipe the unit with a soft, dry cloth. Do not use liquid cleaners or abrasive materials. Ensure all ports are free of dust and debris.
4.2 Storage
Store the unit in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the battery is partially charged if storing for extended periods.
5. Troubleshooting
5.1 No Power
- Check if the power adapter is securely connected to the unit and a working power outlet.
- Ensure the unit's rechargeable battery is charged.
5.2 No Sound from Microphones
- Verify microphones are securely plugged into the correct jacks.
- Adjust the MIC VOLUME knobs.
- Ensure the main volume is not set to minimum.
5.3 Bluetooth Connectivity Issues
- Ensure Bluetooth is enabled on your mobile device and the karaoke system.
- Move your device closer to the karaoke system.
- Forget the device on your mobile device and re-pair.
6. Specifications
| Feature | Specification |
|---|---|
| Item Weight | 19.18 pounds |
| Product Dimensions | 14.17 x 13.38 x 22 inches |
| Item Model Number | SDL9030DB |
| Compatible Devices | Smartphone, Tablet, Laptop, Personal Computer, Television |
| Connector Type | HDMI |
| Speaker Count | 1 |
| Battery Type | Lead Acid |
| Media Format | Digital |
| Power Source | Battery Powered |
| Standing Screen Display Size | 7 inches |
| Special Feature | Rechargeable, Portable |
7. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or visit the official Singing Machine website. Keep your purchase receipt as proof of purchase for warranty claims.