2x3W 5V audio amplifier module Technical data: Supply voltage: 5V Output power: 2x3W Output speaker impedance: 4-8 Ohm Class: D Efficiency: 90% Working temperature: -40 to 85 * C Bandwidth: 20Hz-20KHz https://elecena.pl/product/22606110/2x3w-pam8403-audio-stereo-amplifier-5v-module 2023-02-22 https://elecena.pl/product/22606110/2x3w-pam8403-audio-stereo-amplifier-5v-module 2025-10-29