The Teac PD-D 850 is a compact disc player designed for high-quality audio playback. It features a dual-digital-to-analog conversion system that enhances audio fidelity and minimizes distortion. The PD-D 850 supports a variety of CD formats, including standard CDs and CD-R/RW discs, allowing flexibility in media playback. The unit often includes features such as a programmable track selection, repeat playback modes, and an easy-to-read display for track information. Additionally, it typically has analog audio outputs and digital outputs, enabling connectivity to various audio systems. Its build quality often emphasizes durability while maintaining a functional and straightforward user interface. The PD-D 850 is designed with both casual listeners and audiophiles in mind, aiming to provide an enriching listening experience.