The Sanyo System 300 is a complete audio system that was manufactured by Sanyo between 1982 and 1984 in Japan. It is designed to deliver a full range of audio experiences suitable for home use. The original price for the complete system was approximately 898 DM, with an additional cost of 50 DM for the preset tuner model JT-310 L. The system is known for its solid build quality and functionality, providing an integrated approach to listening to music. Other models in the Sanyo complete system series include options like the System Mini 10, System Midi M-7, and System 150, among others, highlighting Sanyo's diverse range of offerings during that era.