1. Introduction
This manual provides detailed instructions for the operation and maintenance of your Nobsound Global FM Radio Receiver, model DZ102-US. Please read this manual thoroughly before using the device to ensure proper functionality and safety.
2. Safety Information
Important Safety Instructions:
- Always ensure proper handling of the device and its components.
- Keep the USB cable and 3.5mm jack away from heat sources and liquids.
- Do not expose the device to excessive temperatures or humidity.
- Always unplug the device from the power source before handling or storing it.
- Do not dispose of the device in regular trash; follow local regulations for electronic waste disposal.
3. Package Contents
Verify that all items listed below are included in your package:
- 1x Nobsound Global FM Radio Receiver (Model: NS-10G FM)
- 1x FM Antenna
- 1x Type-C Cable with Power Button
- 1x 3.5mm to RCA Cable
- 1x 3.5mm Cable
- 1x User Manual
4. Product Overview
The Nobsound Global FM Radio Receiver (DZ102-US) is a compact and durable device designed for clear and sensitive FM reception across various global frequency bands. It features an advanced Si4730 chip for enhanced performance.
Key Features:
- Global Frequency Support: Covers 64–108MHz/76–108MHz/87–108MHz FM bands for universal compatibility.
- Si4730 Radio Chipset: Equipped with advanced American Si4730 chip for better sensitivity, clarity, and low noise.
- Manual & Auto Search Modes: Features one-button auto scanning and manual tuning with memory presets.
- USB-Powered Convenience: Uses standard 5V USB or power bank for portable use.
- Compact & Durable Build: Aluminum alloy housing provides durability and heat resistance.
Controls and Ports:
- Multifunctional Knob: Rotate to adjust volume/select station. Short press for volume adjustment mode. Long press to enter manual selection station mode. Short press VHF to save the station.
- ATS Button: Long press for automatic station search. Short press to display screen light for 6 seconds.
- VHF Button: Short press to save station. Long press to select frequency bands (87-108MHz, 76-108MHz, 64-108MHz).
- FM Antenna Interface (ANT): Connect the provided FM antenna.
- DC 5V IN (Type-C): Power input for the device.
- 3.5mm Audio Output (AUDIO OUT): Connect to headphones, amplifier, or preamp.
5. Setup
5.1 Connecting the Antenna
- Locate the FM Antenna interface (ANT) on the rear panel of the receiver.
- Carefully screw the provided FM antenna into the ANT port.
- Extend the antenna fully for optimal reception. Position the antenna near a window or in an open area for best signal quality.
5.2 Powering the Device
- Connect the provided Type-C cable to the DC 5V IN port on the receiver.
- Connect the other end of the Type-C cable to a standard 5V USB power adapter (not included) or a power bank.
- The device will power on automatically or can be turned on using the power button on the Type-C cable.
5.3 Audio Output Connection
- To connect to an external audio system (e.g., amplifier, preamp, powered speakers), use the provided 3.5mm to RCA cable or a 3.5mm to 3.5mm cable.
- Plug one end into the 3.5mm Audio Output (AUDIO OUT) port on the receiver.
- Connect the other end to the corresponding input on your audio system.
6. Operating Instructions
6.1 Power On/Off
Press the power button on the Type-C cable to turn the device on or off. The display screen will illuminate.
6.2 Selecting Frequency Band
Long press the VHF button to cycle through the available FM frequency bands: 87-108MHz, 76-108MHz, and 64-108MHz. Select the band appropriate for your region.
6.3 Automatic Station Search (ATS)
- Long press the ATS button. The receiver will automatically scan for available FM stations and save them to memory presets.
- This process may take a few minutes depending on signal strength and the number of stations found.
6.4 Manual Tuning and Saving Presets
- Rotate the multifunctional knob to manually tune to a desired frequency.
- Once you find a station, short press the VHF button to save it as a preset.
- To recall saved stations, short press the multifunctional knob to enter manual selection mode, then rotate the knob to switch between your saved stations.
- Hold the knob again to exit manual tuning mode.
6.5 Volume Adjustment
Short press the multifunctional knob to enter volume adjustment mode. Rotate the knob to increase or decrease the volume. Press the knob again to exit volume adjustment mode.
7. Media Integration
7.1 Product Overview Video
7.2 FM Antenna Setup Demonstration
7.3 Mini Radio Operation Demonstration
7.4 SI4732 DSP Mini Radio Features
7.5 FA298 FM/AM Radio Overview
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 3.03 x 2.44 x 0.83 inches |
| Item Weight | 2.88 ounces |
| Item Model Number | DZ102-US |
| Brand | Nobsound |
| Connectivity Technology | AUX, FM Radio |
| Power Source | Corded Electric (5V USB) |
| Material | Aluminum |
| Special Feature | Global FM |
9. Troubleshooting
- No Power: Ensure the USB-C cable is securely connected to both the receiver and a working 5V power source. Check if the power button on the cable is pressed.
- Poor Reception:
- Extend the FM antenna fully.
- Relocate the antenna to a higher position or closer to a window.
- Try a different frequency band using the VHF button.
- Perform an automatic station search (ATS) to find stronger signals.
- No Audio Output:
- Check the volume level on the receiver and your connected audio system.
- Ensure the 3.5mm audio cable is securely connected to both the receiver and the audio system.
- Verify that the external audio system is powered on and set to the correct input.
- Buttons Unresponsive: Disconnect the power, wait 10 seconds, and reconnect to reset the device.
10. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or aerosols.
- Storage: When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the device or subjecting it to strong impacts.
11. Warranty and Support
For warranty information and technical support, please refer to the official Nobsound website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Manufacturer: Nobsound
Website: Visit the Nobsound Store on Amazon





