XY-AP50L Mini Bluetooth 5.0 Audio Amplifier Board User Manual

Product Overview

The XY-AP50L is a compact and versatile Mini Bluetooth 5.0 audio power amplifier board designed for various audio applications. It features 50W+50W stereo output, multiple input options including Bluetooth, 3.5MM AUX, and USB audio, and can be controlled via a dedicated mobile application. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.

Image: Top-down view of the XY-AP50L amplifier board, showcasing the audio output terminals, AUX input, USB audio port, DC power input, and speaker terminals. The central volume knob is also prominent.

Setup Instructions

1. Power Connection: Connect a DC power supply (8-24V) to the "DC 8-24V" input port. Ensure the polarity is correct (+ to + and - to -).
   

   Image: Detailed view of the power input (DC 8-24V) and USB audio port on the XY-AP50L board, highlighting the connection points.

2. Speaker Connection: Connect your passive speakers to the "AUDIO OUTPUT" terminals (R+ R- for right channel, L+ L- for left channel). Observe correct polarity for optimal sound.
3. Audio Input Selection: The board supports multiple audio input methods:
   • Bluetooth: The default mode upon power-on.
   • AUX Input: Insert a 3.5mm audio cable into the "AUX IN" port. The board will automatically switch to AUX mode.
   • USB Audio: Connect the board to a computer's USB port using a USB cable. The board will be recognized as an audio output device.

Operating Instructions

1. Power On/Off: The board powers on automatically when connected to a power supply. Disconnect power to turn off.
2. Volume Control: Adjust the large central knob to control the output volume. Rotate clockwise to increase volume, counter-clockwise to decrease.
   

   Image: Overhead view of the XY-AP50L amplifier board, clearly showing the central volume knob, AUX IN port, and speaker output terminals.
3. Bluetooth Pairing:
   • Upon power-on, the board enters Bluetooth pairing mode (indicated by a flashing LED, if present).
   • On your device (smartphone, tablet, computer), search for Bluetooth devices.
   • Select "XY-AP50L" from the list to connect. A successful connection will be indicated by a solid LED (if present) or an audible prompt.
4. APP Control: The XY-AP50L supports control via a dedicated mobile application. Refer to the product packaging or manufacturer's website for QR code or download links for the "APP". The app typically allows for advanced settings, EQ adjustments, and input switching.

Maintenance

• Cleaning: Use a soft, dry cloth to clean the surface of the amplifier board. Do not use liquid cleaners or solvents, as they may damage the electronic components.
• Storage: When not in use for extended periods, store the board in a cool, dry place away from direct sunlight and excessive dust.
• Handling: Handle the board with care to avoid damaging the exposed electronic components. Avoid dropping or subjecting it to strong impacts.

Troubleshooting

Specifications

• Model: XY-AP50L
• Output Power: 50W + 50W (Stereo)
• Bluetooth Version: 5.0
• Audio Inputs: Bluetooth, 3.5MM AUX, USB Audio
• Power Supply: DC 8-24V
• Dimensions (L x W x H): Approximately 52mm x 52mm x 16mm
  

  Image: Technical drawing illustrating the dimensions of the XY-AP50L amplifier board, showing length, width, and height measurements.

Warranty and Support

This product is typically covered by a standard manufacturer's warranty. Please refer to your purchase documentation or contact the seller for specific warranty terms and conditions. For technical support or inquiries, please reach out to the retailer or manufacturer through their official support channels.