Alpine

This manual covers the CDA-9855R, a high-fidelity automotive CD receiver produced around the mid-2000s. As a premium head unit of its time, the CDA-9855R was engineered to offer advanced audio processing, robust amplification, and versatile connectivity. Its notable features include high-quality digital-to-analog conversion, onboard amplification, advanced equalization, and time correction capabilities, all managed through an intuitive user interface. The unit supports CD, CD-R/RW playback, and various digital audio file formats, with expandability options via its proprietary Ai-NET protocol. Designed with a focus on sound quality and user experience, the CDA-9855R was a competitive offering in the aftermarket car audio market, renowned for its performance and build quality.