Bluetooth Audio Amplifier PCBA Board

Product Category: Audio Amplifier PCBA
Number of Layers: 2 layers
Board Size: Approx. 160mm x 60mm
Surface Finish: HASL (Hot Air Solder Leveling)
Substrate Material: FR-4
Assembly Type: SMT + DIP
Main Features: Integrated with Bluetooth audio reception, amplification control, multiple knobs and power interfaces.

I. Features of This PCBA Board:

1. Bluetooth Audio Module:
   Equipped with a built-in Bluetooth receiver module, allowing wireless audio streaming from mobile phones, tablets, or computers.

2. Multi-channel Volume Control:
   The board is fitted with 5 independent rotary potentiometers, enabling control of master volume, bass, treble, balance, and gain.

3. High-efficiency Audio Amplification:
   Features multiple power amplifier chips with inductors and heat sinks, providing strong output for stereo or subwoofer speakers.

4. Multiple Input Interfaces:
   Includes AUX input, USB, and power input (DC jack), making it compatible with wired audio sources and external power supplies.

5. Filter & Protection Circuitry:
   Onboard high-capacity electrolytic capacitors, inductors, and resistors ensure clean power delivery and audio signal integrity.

6. Compact Layout for Easy Integration:
   Slim rectangular form factor and reserved mounting holes make it suitable for integration into enclosures or speaker shells.

II. Application Fields:

• DIY Bluetooth speaker systems

• Car or home audio amplifier kits

• Portable Bluetooth audio devices

• Audio interface teaching boards

• Customized consumer electronics