This document discusses features that buyers should consider when purchasing a new CD player for optimal sound quality. It outlines 11 important features of CD players including digital to analog converters, HDCD and SACD compatibility, format compatibility, recording speed, digital outputs, transport sound quality, disc capacity, play modes, remote controls, and track programming. These features provide advantages like superior sound quality and resolution, compatibility with different disc formats, faster recording speeds, elimination of interference, and customization of playlists.