The WeAct PCM5100A I2S Speaker Module is a compact and efficient digital-to-analog converter (DAC) with a built-in Class D amplifier, ideal for high-quality audio playback in embedded systems. It utilizes the PCM5100A DAC chip with I2S input and integrates a dual-channel 2.8W amplifier, making it perfect for use with microcontrollers like the ESP32, STM32, and Raspberry Pi.

Key Features:

• High-Fidelity PCM5100A DAC – Delivers excellent sound quality via I2S interface
• Integrated 2.8W Class D Dual Power Amplifier – Drives 4Ω speakers directly
• Supports Dual Power Input – 3.3V for logic, 5V for amplifier
• Compact & Plug-and-Play – Ready-to-use module for embedded audio projects
• Supports 16–32-bit I2S audio data input

Specifications:

• DAC Chip: PCM5100A (Texas Instruments)
• Amplifier Type: Class D Stereo Amplifier
• Input Interface: I2S (Standard 3-wire: BCLK, LRCK, DIN)
• Power Supply: 3.3V (logic), 5VDC (amplifier)
• Output Power: 2.8W per channel (4Ω load @ 5V)
• Output Type: Stereo speaker output
• Audio Bit Depth Support: 16, 24, and 32-bit
• Sample Rate: Up to 384 kHz (DAC), I2S limited by controller
• Speaker Impedance: 4Ω recommended
• Signal-to-Noise Ratio: >100 dB

Applications:

• DIY Internet Radio
• Smart Speaker Projects
• Audio output for microcontroller projects
• Embedded audio playback systems
• Educational audio and DAC experiments