# NoiseForge ANC Kit — Technical Specifications

| Category | Specification |
|----------|---------------|
| System Type | Hybrid Passive + Active (Near-source focused) |
| Primary Target Noise | Low-frequency (40–150 Hz) |
| Expected Performance | 8–15 dB reduction on dominant low-frequency band |
| Panel Material | High-density PET felt / acoustic foam |
| Panel Size (Standard) | 400×400 mm or 500×500 mm |
| DSP Processor | Teensy 4.1 (recommended) / ESP32-S3 alternative |
| Microphones | 2–3 × INMP441 I2S MEMS |
| Anti-Noise Output | Dayton Audio DAEX25 exciters + MAX98357A amp |
| Firmware | Open-source (Adaptive FxLMS + Fixed-filter modes) |
| Interface | Web-based calibration & residual noise monitoring |
| Expandability | Extra panels, mics, and exciters supported |
| Energy Harvesting | Not included (planned as future separate module) |