Multifunctional Audio Amplifier PCBA

Product Category: Audio Amplifier Control PCBA
Number of Layers: 2 layers
Board Size: Approx. 165mm × 85mm
Surface Finish: HASL (Lead-Free Hot Air Solder Leveling)
Substrate Material: FR-4
Assembly Type: Mixed (SMT + THT)
Main Features: Integrated audio amplifier circuit, FM/USB/SD input, digital display, RCA and 3.5mm audio outputs, multifunctional button interface.

I. Features of This PCBA Board:

1. Integrated Audio Amplification Circuit:
   Features multiple power amplifiers and audio ICs, providing high-fidelity stereo sound output for various speaker systems.

2. Multi-source Audio Input Support:
   Equipped with FM radio module, dual USB interface, SD card slot, and AUX input for diversified audio signal access.

3. Digital LED Display:
   Displays track number, mode, and volume level; easy to operate and user-friendly interface.

4. Tuning & Control Interface:
   Multiple knobs and buttons for volume, bass, treble, mode switching, and playback control.

5. RCA & AUX Audio Output:
   Supports both RCA (L/R) and 3.5mm output jacks, compatible with most amplifiers, active speakers, and audio receivers.

6. DC Power Input Jack:
   Standard 12V-24V DC barrel power socket, suitable for car audio systems or desktop amplifiers.

II. Application Fields:

• Home and car audio amplifiers

• DIY speaker projects

• Karaoke systems

• Multimedia control boards

• FM audio receivers

• Teaching or conference audio devices