Enhance your audio projects with this high-precision Audio Filter Board, specially designed for efficient music spectrum analysis and sound interaction. Utilizing a professional audio processing IC based on the MSGEQ7 graphic equalizer filter principle, this filter board divides incoming audio signals into seven distinct frequency bands: 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.25kHz, and 16kHz, enabling detailed amplitude output for each band. Key Features: · 7-Band Audio Spectrum Filter: Accurately separates audio signals into seven frequency bands to provide precise frequency amplitude information for advanced audio analysis applications. · Adjustable Input Amplitude: Supports typical input signals around 20dB, with an integrated potentiometer to fine-tune input amplitude for optimal signal processing. · Versatile Audio Applications: Ideal for creating interactive music analyzers, audio-responsive robots, lighting effects, voice analysis, and other sound-processing projects. · Easy Drive Interface: Operates via 2 digital ports and 1 analog port, offering straightforward connectivity and control for microcontroller integration. · Complete Package: Comes with all necessary cables and audio plugs for quick setup and hassle-free operation. · Durable PCB Construction: Built with high-quality printed circuit board (PCB) material to ensure reliable performance and long-term use. Specifications: · Item Type: Filter Board · Material: PCB · Drive Interface: 2 x digital ports, 1 x analog port · Frequency Bands: 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.25kHz, 16kHz · Input Signal Amplitude: Typically 20dB (adjustable via potentiometer) · Principle: Audio processing based on MSGEQ7 graphic equalization filter IC Package Includes: · 1 x Audio Filter Board with cables and audio plugs This Audio Filter Board offers a robust and user-friendly solution for real-time audio frequency analysis, making it an essential module for developers and hobbyists working on music-interactive devices, audio data processing, and dynamic lighting projects.