10-24V Subwoofer Preamplifier Board - Single Supply Low-Pass Filter

This high-precision subwoofer preamplifier board is designed to deliver deep, clean bass by filtering out high-frequency audio components. Operating on a versatile DC 10V-24V single power supply, it is the perfect solution for DIY audio enthusiasts building active subwoofers for cars or home theaters. The module utilizes the acclaimed NE5532 op-amp for a high signal-to-noise ratio and features high-quality CBB capacitors for precise frequency adjustment. With its built-in dual-potentiometers, you can easily control both the volume and the low-pass cutoff frequency between 22Hz and 300Hz. The board includes an onboard LED power indicator and pure copper terminals for easy, reliable wiring.

Key Features:

• 22Hz-300Hz Low-Pass Filter: Effectively removes vocals and high-frequency noise for pure bass output.
• Single DC Power Supply: Wide 10V-24V range allows for easy integration with standard amplifier power sources.
• NE5532 Op-Amp: Features an IC socket for easy replacement and sound customization.
• Fully Sealed Potentiometers: Ensures durable, noise-free adjustment over time.
• Mono Output: Converts stereo or mono input into a dedicated subwoofer signal.
• Strong Anti-Interference: Reasonable PCB layout minimizes background noise even at high volumes.

Package Includes:

1 x 10-24V Subwoofer Preamplifier Board - Single Supply Low-Pass Filter