Enhance your audio system with this high-performance Subwoofer Preamp Board, designed to deliver clear, low-noise sound and superior signal quality. Crafted from durable PCB material, this preamplifier board supports easy op amp replacement, allowing you to customize and improve your sound output by upgrading to different operational amplifiers. Ideal for subwoofer applications, it offers excellent anti-interference capabilities and a high signal-to-noise ratio for pristine audio performance. Key Features: · **Op Amp Replacement Compatibility:** The IC mount allows for easy welding and replacement of op amps, enabling you to tailor the sound effect and optimize audio performance. · **LED Power Indicators:** Equipped with LED indicators to provide real-time monitoring of the power status, ensuring convenient and clear operation. · **Strong Anti-Interference Design:** The PCB preamp board is engineered for high signal-to-noise ratio and robust interference resistance, maintaining clean sound output even in complex audio setups. · **Low Noise Performance:** This professional subwoofer low pass filter board minimizes noise near the speaker when no signal is input, delivering quiet and distortion-free sound. · **Simple and User-Friendly:** Featuring a clean, compact design with well-organized wiring, this preamp board is easy to install and use immediately after proper connection. Specifications: · Material: PCB · Input Voltage: DC 12V · Frequency Range: 22Hz - 300Hz · Sound Input: Mono or Binaural · Sound Output: Mono Package Includes: · 1 x Subwoofer Preamp Board This Subwoofer Preamp Board is the perfect choice for audio enthusiasts seeking enhanced bass control and sound clarity. Its versatile input options and low noise design make it suitable for a wide range of subwoofer systems, ensuring powerful and distortion-free audio reproduction.