- The Soundboard operates without an external power source, making it a convenient choice for various audio setups while providing a reduced sound quality. - Its primary function is to adjust high and low frequencies of the audio input signal, which is then sent to the amplifier board for enhanced output. - This product utilizes a filtering principle where the audio transmission is directly processed through filters, allowing desired high and low frequencies to be captured via capacitors. - The 2.1-K preamplifier board features a NE5522 operational amplifier, ensuring precise audio signal processing for optimal performance. Key Benefits: - No power supply needed, simplifying setup and reducing clutter. - Frequency adjustment capabilities enhance audio quality, making it ideal for musicians, sound engineers, and home audio enthusiasts. - Compact design allows for easy integration into various audio systems without taking up much space. Use Scenarios: 1. Ideal for live music performances, where precise sound adjustments are crucial for achieving the best audio experience. 2. Perfect for home theater systems, enabling tailored sound profiles for movies and music. 3. Useful in recording studios, allowing sound engineers to fine-tune audio inputs before amplification. This Soundboard is designed for those who value audio quality and flexibility, making it a great addition to any sound setup.