NULLLAB NS4168 I2S Audio Amplifier & 3W Speaker Kit

Additional Details from the Manufacturer

This item information is coming from the manufacturer. Some of the details may vary from the Nellis Auction listing. Please check the Quality Rating and Notes for information specific to this listing

More features

• 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.