The Teac CD-P 400 is a multi-functional CD player that also serves as a USB and SD card reader, allowing playback from various digital sources. It features an integrated amplifier for direct connection to speakers, making it suitable for smaller audio setups. The unit supports multiple audio formats including CD, CD-R, and CD-RW, while also handling MP3 and WMA files via USB and SD card inputs. Its design is characterized by a user-friendly interface with a backlit LCD display that shows track information and settings. Additionally, the CD-P 400 includes features like pitch control, repeat functions, and programmable playlists, catering to both casual listeners and audio enthusiasts. Its compact size makes it convenient for home use or portable applications, and it can function in both stereo and mono modes depending on the setup requirements. The build quality is robust, ensuring durability and longevity in various operating conditions.