The Realtek ALC255 is a low-power High Definition Audio (HDA) codec designed primarily for notebooks and compact PCs. It integrates stereo digital-to-analog converters (DACs) and analog-to-digital converters (ADCs), supporting high-fidelity audio playback and recording. Featuring a built-in headphone amplifier and microphone boost, it ensures clear voice capture and strong output. The ALC255 supports multiple audio streams, jack detection, and advanced power management for extended battery life. Its compact, efficient design makes it ideal for portable computing and multimedia applications.