1. Introduction
This manual provides detailed instructions for the safe and efficient operation of your Audiopipe AP-PRT-B1 Portable Radio with Wireless Music Stream. Please read this manual thoroughly before using the device and retain it for future reference.
The Audiopipe AP-PRT-B1 is designed to provide portable audio entertainment, featuring FM radio, USB playback, AUX input, and wireless music streaming capabilities.
2. Product Overview
Familiarize yourself with the components and controls of your AP-PRT-B1 portable radio.
2.1 Front View

Figure 1: Front view of the AP-PRT-B1 Portable Radio. This image displays the main interface including the central control panel, dual speakers, and the carrying handle.
- Carrying Handle: For easy portability.
- Speaker Grilles: Protect the internal speakers.
- Control Panel: Contains display, mode buttons, volume/power knob, and input ports.
- Retractable Antenna: For FM radio reception.
2.2 Control Panel Details

Figure 2: Detailed view of the control panel. This image shows the display, buttons, and ports for operation.
- Display Screen: Shows current mode, track information, or radio frequency.
- Mode Button (M): Cycles through available input modes (FM, USB, AUX, Wireless Music Stream).
- Previous/Next Buttons: Used for track selection in USB/Wireless Music Stream mode or station tuning in FM mode.
- Play/Pause Button: Controls playback in USB/Wireless Music Stream mode.
- Volume/Power Knob: Rotates to adjust volume; press and hold to power on/off.
- AUX Input: 3.5mm jack for connecting external audio devices.
- USB Port: For playing audio files from a USB flash drive.
- DC 5V Input: Power input for charging the device.
2.3 Rear View

Figure 3: Rear view of the AP-PRT-B1 Portable Radio. This image displays the rear speaker grilles and product information label.
- Rear Speaker Grilles: Provide additional sound output.
- Product Information Label: Contains model number, power requirements, and certifications.
3. Setup
3.1 Charging the Device
Before initial use, fully charge the AP-PRT-B1. The charging time is approximately 4 hours.
- Locate the DC 5V input port on the control panel.
- Connect the provided USB charging cable to the DC 5V input port.
- Connect the other end of the USB cable to a compatible USB power adapter (not included) or a powered USB port.
- The charging indicator (if present) will illuminate during charging and turn off or change color when fully charged.
3.2 Powering On/Off
To power on the device, press and hold the Volume/Power knob until the display illuminates. To power off, press and hold the Volume/Power knob again until the display turns off.
4. Operating Instructions
4.1 Mode Selection
Press the Mode (M) button repeatedly to cycle through the available input modes:
- FM Radio: Listen to FM radio stations.
- USB: Play audio files from a USB flash drive.
- AUX: Play audio from an external device connected via a 3.5mm audio cable.
- Wireless Music Stream (Bluetooth): Connect wirelessly to a Bluetooth-enabled device.
4.2 FM Radio Operation
- Extend the retractable antenna for optimal reception.
- Switch to FM mode using the Mode (M) button.
- Press and hold the Play/Pause button to automatically scan and save available FM stations.
- Use the Previous/Next buttons to navigate between saved stations or manually tune.
4.3 USB Playback
- Insert a USB flash drive containing MP3 or WMA audio files into the USB port.
- Switch to USB mode using the Mode (M) button. The device will automatically begin playing the first compatible track.
- Use the Previous/Next buttons to skip tracks.
- Press the Play/Pause button to pause or resume playback.
4.4 AUX Input
- Connect one end of a 3.5mm audio cable (not included) to the AUX input port on the AP-PRT-B1.
- Connect the other end of the audio cable to the headphone jack or audio output of your external device (e.g., MP3 player, smartphone).
- Switch to AUX mode using the Mode (M) button.
- Control playback and volume from your external device.
4.5 Wireless Music Stream (Bluetooth)
- Switch to Wireless Music Stream mode using the Mode (M) button. The display will show "BT" or a similar indicator, and the device will enter pairing mode.
- On your Bluetooth-enabled device (e.g., smartphone), enable Bluetooth and search for available devices.
- Select "AP-PRT-B1" from the list of found devices to pair.
- Once paired, you can play audio from your device, and it will stream through the AP-PRT-B1.
- Use the Previous/Next and Play/Pause buttons on the AP-PRT-B1 or your connected device to control playback.
4.6 Volume Adjustment
Rotate the Volume/Power knob clockwise to increase volume and counter-clockwise to decrease volume.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use.
- Water Exposure: This device is not waterproof. Avoid exposure to water or high humidity.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Battery is discharged. | Connect the device to a power source and charge for at least 4 hours. |
| No sound. | Volume is too low or muted. Incorrect input mode selected. | Increase volume. Ensure the correct input mode (FM, USB, AUX, Wireless Music Stream) is selected. Check connections for AUX mode. |
| Poor FM reception. | Antenna not extended. Weak signal. | Fully extend the retractable antenna. Try repositioning the device. |
| USB playback not working. | USB drive not inserted correctly. Incompatible file format. | Ensure USB drive is fully inserted. Check if files are MP3 or WMA format. Try a different USB drive. |
| Cannot pair via Wireless Music Stream (Bluetooth). | Device not in pairing mode. Bluetooth disabled on source device. | Ensure the AP-PRT-B1 is in Wireless Music Stream mode. Enable Bluetooth on your source device and search for "AP-PRT-B1". |
7. Specifications
| Feature | Detail |
|---|---|
| Model | AP-PRT-B1 |
| Brand | Audiopipe |
| Connectivity Technology | Auxiliary, USB, Wireless Music Stream (Bluetooth) |
| Tuner Technology | FM |
| Power Source | Corded Electric (via USB charging) |
| Charging Time | Approximately 4 Hours |
| Supported Audio Formats | MP3, WMA (via USB) |
| Compatible Devices | MP3 Player, Smartphone |
| UPC | 784644623107 |
8. Customer Support and Warranty Information
For technical assistance or inquiries regarding your Audiopipe AP-PRT-B1, please refer to the official Audiopipe website or contact their customer service department.
Website: www.audiopipe.com (Note: This is a placeholder link, please verify the actual support website.)
Information regarding product warranty, returns, and service may be available on the manufacturer's website or through your point of purchase. Please retain your proof of purchase for warranty claims.
Optional protection plans may be available for purchase separately. Refer to your retailer for details on extended protection options.





