Product Overview
This compact audio solution pairs the MAX98357 I2S digital amplifier with a 3W 8Ω 3070 speaker, delivering clear and powerful sound from any I2S-enabled microcontroller. The MAX98357 accepts digital audio directly over I2S and handles conversion and amplification internally—no DACs, no external amps, and minimal wiring.
Specifications:
- Output Power: 3.2W at 4Ω, 10% THD, 1.8W at 8Ω, 10% THD, with 5V supply
- PSRR: 77 dB typ @ 1KHz
- I2S sample rates from 8kHz to 96kHz
- No MCLK required
- Click + Pop reduction
- Five pin-selectable gains: 3dB, 6dB, 9dB, 12dB, 15dB
- Excellent click-and-pop suppression
- Thermal shutdown protection
Documents:
Include:
- 1× MAX98357 I2S amplifier module
- 1× 3W 8Ω 3070 speaker