1. Introduction
Thank you for choosing the InAndOn 4-in-1 Karaoke Machine. This all-in-one system integrates a 21.5-inch HD touchscreen, dual speakers, and a mixer, providing a comprehensive KTV experience. This manual provides essential information for safe operation, setup, and maintenance of your device. Please read it thoroughly before use.
2. Important Safety Information
- Power Source: Use only the provided power adapter. Ensure the voltage matches your local power supply.
- Ventilation: Do not block ventilation openings. Ensure adequate airflow around the unit to prevent overheating.
- Water and Moisture: Keep the device away from water, rain, and high humidity. Do not operate with wet hands.
- Cleaning: Disconnect from power before cleaning. Use a soft, dry cloth. Avoid liquid cleaners.
- Placement: Place the unit on a stable, flat surface. Avoid direct sunlight, heat sources, or extreme temperatures.
- Servicing: Do not attempt to repair the device yourself. Refer all servicing to qualified personnel.
- Microphones: The wireless microphones are rechargeable. Use appropriate charging methods as described in this manual.
3. Package Contents
Please check that all items are present in your package:
- InAndOn 4-in-1 Karaoke Machine (Main Unit with 21.5" HD Touchscreen)
- Floor Stand Components
- 2 x UHF Wireless Microphones
- Power Adapter
- User Manual (this document)
- Other accessories (e.g., audio cables, USB cable - if included)
4. Product Overview
4.1 Main Unit
The main unit features a 21.5-inch HD touchscreen for intuitive navigation and song selection. It integrates a karaoke system, mixer, and dual speakers for an immersive audio experience.

4.2 Wireless Microphones
Two rechargeable UHF wireless microphones are included, designed for clear vocal pickup and stable connectivity. They feature durable metal mesh heads and adjustable UHF frequencies to minimize interference.

4.3 Internal Components and Features
The system is powered by a dual-core DSP, runs on Android 10.0, and includes 2GB RAM with 32GB ROM, plus a 500GB hard disk for song storage. It supports both 2.4G and 5G WiFi for robust network connectivity.

5. Setup Guide
5.1 Assembling the Floor Stand
- Carefully unpack all components of the floor stand.
- Attach the base to the main vertical pole using the provided screws.
- Securely mount the karaoke machine unit onto the top of the vertical pole. Ensure all connections are tight and stable.

5.2 Power Connection
- Connect the power adapter to the DC input port on the back of the karaoke machine.
- Plug the power adapter into a suitable electrical outlet.
5.3 Microphone Setup
- Insert AA batteries into the wireless microphones or ensure they are charged if using rechargeable batteries.
- The microphones should automatically pair with the main unit. If not, refer to the troubleshooting section for manual pairing instructions.
5.4 Connecting to External Audio (Optional)
For enhanced sound, connect the karaoke machine to active speakers or a soundbar using an appropriate audio cable (e.g., HDMI, RCA, or optical, depending on your external audio system's inputs and the machine's outputs).
5.5 Network Connection
- Power on the device.
- Navigate to the 'Settings' menu on the touchscreen.
- Select 'Wi-Fi' and choose your desired network. Enter the password if prompted.
6. Operating Instructions
6.1 Powering On/Off
Press the power button located on the unit to turn it on or off. A short press typically puts it into standby, while a long press performs a full shutdown.
6.2 Touchscreen Navigation
The 21.5-inch HD touchscreen allows for intuitive control. Tap icons to select functions, swipe to scroll, and use pinch-to-zoom gestures where applicable.

6.3 Song Selection and Playback
- Cloud Server: Access over 650,000 songs with monthly updates. Navigate to the 'Cloud' section to browse and select songs.
- YouTube: Use the integrated YouTube app to stream karaoke videos directly.
- Local Storage: Play songs stored on the internal 500GB hard disk.
- USB Playback: Connect a USB drive to play music or 4K movie files.

6.4 Microphone Usage
- Volume Control: Adjust microphone volume using the on-screen controls or physical knobs if available.
- Vocal/Accompaniment Modes: Switch between original vocal and accompaniment modes for songs from the built-in hard disk or cloud music libraries.
- Effects: Apply echo or other vocal effects through the system settings.
6.5 Multiple Connection Options
Control song selection and playback using the touchscreen, a mobile phone, tablet, or the dedicated Karaoke app.

6.6 Screen Projection
Sync the screen to an external TV or monitor via HDMI or through a compatible app for a larger display.

6.7 Language Support
The system supports over 16 languages. Change the language setting in the system menu to your preferred language.
7. Maintenance
- Cleaning the Screen: Use a soft, lint-free cloth specifically designed for electronic screens. Do not use abrasive cleaners or sprays directly on the screen.
- General Cleaning: Wipe the exterior of the unit and microphones with a dry, soft cloth.
- Storage: When not in use for extended periods, store the machine in a cool, dry place, away from direct sunlight and extreme temperatures.
- Software Updates: Periodically check for system software updates through the settings menu to ensure optimal performance and access to new features.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; power outlet faulty. | Ensure power cable is securely connected. Try a different power outlet. |
| No sound from speakers | Volume too low; external speakers not connected/powered. | Increase volume. Check connections to external speakers and ensure they are powered on. |
| Microphone not working | Microphone off; low battery; not paired. | Turn on microphone. Replace/recharge batteries. Re-pair microphones via system settings. |
| Cannot connect to Wi-Fi | Incorrect password; out of range; router issue. | Verify Wi-Fi password. Move closer to router. Restart router. |
| Screen projection not working | HDMI cable loose/faulty; incorrect input on TV. | Check HDMI cable connection. Select correct HDMI input on your TV. |
9. Specifications
- Model: B0FR9F52GR
- Display: 21.5-inch HD Touchscreen
- Operating System: Android 10.0
- Processor: Dual-core DSP
- Memory: 2GB RAM + 32GB ROM
- Storage: 500GB Hard Disk
- Connectivity: Wi-Fi (2.4G & 5G), HDMI
- Microphones: 2 x UHF Wireless Microphones
- Speaker Count: 9 (integrated)
- Power Source: Plug In Electric
- Product Dimensions: 19.29 x 30.31 x 5.91 inches
10. Warranty and Support
Your InAndOn Karaoke Machine is covered by a limited manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact InAndOn customer service through the contact information provided on the official InAndOn website or your purchase platform.

