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Qihui Intelligence
About this item
- Docs: github.com/nulllaborg/i2s_audio_amplifier_module
- PLUG & PLAY FOR ESP32 & RPI: Includes NS4168 I2S Amp Board, 4Ω 3W Speaker, and PH2.0 DuPont cable. Connect directly via I2S for quick digital audio setup.
- NCN ANTI-DISTORTION TECH: Built-in Non-Clipping Technology automatically prevents harsh distortion, clipping, and speaker damage under high volume, outperforming MAX98357A.
- 80% HIGH EFFICIENCY: Class D amplifier delivers 2.5W (5V/4Ω) with low heat generation and 0.2% ultra-low distortion—ideal for battery-powered projects.
- BUILT-IN HPF & NOISE PROTECTION: Features integrated High-Pass Filter (HPF) and pop-click suppression to eliminate low-frequency noise and Wi-Fi/Bluetooth interference.
- USER-FRIENDLY DESIGN: Features mounting holes compatible with Lego blocks, flat back, eSOP-8 package for heat dissipation, and versatile terminal output options.
