LM324 SMD Bass Treble Board

SMD LM-324 BT Board 12V for Class D

The LM324 SMD Bass Treble Board is a compact and versatile audio preamplifier module designed to enhance sound quality by allowing precise adjustments of bass and treble frequencies. It is built around the LM324 operational amplifier in a surface-mount device (SMD) configuration, offering high performance in audio signal processing. Here’s a detailed description of its features and specifications:

Key Features:

1. Adjustable Bass and Treble Control

   • Fine-tune low-frequency (bass) and high-frequency (treble) components to suit personal preferences or specific sound system requirements.

2. High-Quality Signal Processing

   • Powered by the LM324 op-amp, known for its low power consumption and reliable performance, ensuring minimal distortion and noise.

3. Compact SMD Design

   • Space-efficient design suitable for integration into custom audio projects or systems with limited space.

4. Wide Voltage Range

   • Operates typically between 9V to 15V DC, making it compatible with various audio setups.

5. PCB Design

   • Durable PCB with clear labeling for inputs, outputs, and control adjustments, simplifying installation and use.

6. Low Total Harmonic Distortion (THD)

   • Ensures clean and accurate sound reproduction.

7. Easy Integration

   • Input and output terminals are suitable for connecting external audio sources and speakers directly.

Technical Specifications:

• Operational Amplifier: LM324 (quad op-amp with wide bandwidth).
• Input Voltage: 9V–15V DC.
• Input Impedance: High input impedance for minimal signal loss.
• Output Impedance: Optimized for standard audio systems.
• Bass Adjustment: ±12dB (typically).
• Treble Adjustment: ±12dB (typically).
• THD: < 0.05% (at typical settings).
• SMD Components: Compact and lightweight design for modern applications.
• Connector Type: Pin headers or solder pads (depending on the model).
• Dimensions: Approx. 50mm x 30mm (varies by manufacturer).

Applications:

• DIY Audio Projects
  • Ideal for enthusiasts building custom audio systems.
• Portable Speaker Systems
  • Enhances audio performance in compact speaker setups.
• Home Audio Systems
  • Provides an affordable solution for improving sound quality in stereo systems.
• Car Audio Systems
  • Easily integrates into car amplifiers for personalized audio tuning.

This board is an excellent choice for audio enthusiasts and professionals seeking an affordable, easy-to-use solution for enhancing audio fidelity through bass and treble adjustments.