1. Introduction
This instruction manual provides comprehensive guidance for the SPORTARC LED Music Spectrum Indicator and VU Meter Analyzer, Model 1545. This device is designed to visually represent audio signals through a vibrant LED display, functioning as both a music spectrum analyzer and a VU meter. When no audio input is detected, it conveniently displays the current time. This specific model operates via wire control for audio input.
2. Product Features
- High-Quality Construction: Manufactured with durable materials for extended product life.
- Dynamic LED Display: Features a 20-segment, 20-level color LED screen for vivid music spectrum analysis.
- Dual Functionality: Automatically displays the music spectrum when audio is present and switches to a clock display when no music input is detected.
- Audio Level Indicator: Functions as an audio level indicator and rhythm analyzer.
- Input Voltage: Supports USB 5V or 12V input for versatile power options.
- Compact Design: Dimensions of 210mm x 50mm x 29mm for easy placement.







3. Package Contents
Upon opening the package, please verify that all the following items are included:
- 1 x LED Music Spectrum Display Module
- 1 x Audio Cable
- 1 x USB Cable
4. Setup Instructions
- Power Connection: Connect the provided USB cable to the device's USB port and plug the other end into a compatible USB power source (e.g., a 5V USB adapter, computer USB port, or 12V power supply).
- Audio Input (Wire Control): Connect the included audio cable from your audio source (e.g., amplifier, PC, MP3 player) to the audio input port on the SPORTARC LED Music Spectrum Indicator. Ensure a secure connection.
- Placement: Position the device on a stable, flat surface, ensuring adequate ventilation and visibility.
5. Operating Instructions
- Power On: Once connected to a power source, the device will automatically power on.
- Music Spectrum Display: When an audio signal is detected through the connected audio cable, the LED display will automatically activate and visualize the music spectrum in real-time.
- Clock Display: If no audio input is detected for a period, the device will transition to displaying the current time.
- Power Off: To turn off the device, disconnect the USB power cable.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | SPORTARC |
| Model Number | 1545 |
| Input Voltage | USB 5V or 12V |
| Display Characteristics | 20 Segments, 20 Levels |
| Frequency Response | 100-16 kHz |
| Dimensions (L x W x H) | 210 mm x 50 mm x 29 mm |
| Item Weight | 100 grams |
| Country of Origin | China |
7. Maintenance
To ensure the longevity and optimal performance of your SPORTARC LED Music Spectrum Indicator, please follow these maintenance guidelines:
- Cleaning: Gently wipe the display and casing with a soft, dry, lint-free cloth. Avoid using abrasive cleaners, solvents, or chemical sprays, as these can damage the surface.
- Environment: Keep the device in a dry environment, away from direct sunlight, extreme temperatures, and high humidity.
- Handling: Handle the device with care to prevent physical damage. Avoid dropping or subjecting it to strong impacts.
- Ventilation: Ensure that the device has adequate airflow around it to prevent overheating.
8. Troubleshooting
If you encounter any issues with your SPORTARC LED Music Spectrum Indicator, please refer to the following common troubleshooting steps:
- Device Not Powering On:
- Ensure the USB cable is securely connected to both the device and the power source.
- Verify that the USB power source is functional and providing the correct voltage (5V or 12V).
- Try using a different USB cable or power adapter.
- No Music Spectrum Display:
- Check if the audio cable is firmly connected to both the device and your audio source.
- Ensure that your audio source is playing music and the volume is turned up.
- Confirm that the audio output from your source is active.
- If using a splitter or adapter, ensure it is functioning correctly.
- Displaying Clock Instead of Spectrum:
- This indicates no audio input is detected. Refer to the "No Music Spectrum Display" steps above.
- Irregular Display:
- Ensure the device is placed on a stable surface and not subjected to vibrations.
- Disconnect and reconnect all cables.
If these steps do not resolve the issue, please contact customer support for further assistance.
9. Warranty and Support
This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. The specific terms and duration of the warranty may vary depending on your region and point of purchase. Please retain your proof of purchase for warranty claims.
For technical support, warranty inquiries, or any other questions regarding your SPORTARC LED Music Spectrum Indicator, please contact the retailer or the manufacturer directly. Contact information can typically be found on the product packaging or the retailer's website.
Please note that spare parts availability information is currently unavailable.




