The Onkyo TX-DS 939 is a digital surround receiver that was popular in the early 2000s. It supports multiple audio formats, including Dolby Digital and DTS, and has several inputs for different audio and video sources. The receiver is equipped with advanced processing capabilities to enhance sound quality and features a number of audio presets for different listening environments. The TX-DS 939 is also known for its robust build quality and versatility in connecting various home theater components.
