The Sonorous CD is a state-of-the-art digital audio recording and playback device designed to provide a continuous-play audio source for message-on-hold or point-of-purchase applications where high-quality audio playback is required. Messages are transferred to the on-board flash memory via a standard data CD burned with MP3 files. The Sonorous is compatible with most current operating system and 3rd party CD burning applications including the UDF file system used by Windows Vista and Windows 7. The Sonorous has a storage capacity of 16MB of high-density flash memory which is ideal for message-on-hold or any other shorter repetitive message application. The Sonorous is capable of high-quality audio file playback of up to 128Kbps with supported samples rates up to 44KHz. Features: Loads from standard data CD to flash memory No drivers or special software needed Playback quality up to 128Kbps Playback up to 512 audio files Continuous playback Built-in monitor speaker Sonocrypt message encryption (optional) LED status indicator Black metal case, generic MOH audio, 12VDC power pack 6 foot RCA cable, 1/8 inch Adapter, Wall mount Screws, and User Manual. Exceptional dealer support 5-year parts and labor warranty Designed and manufactured in the USA