The Sanyo SX-225 is a loudspeaker model that was produced as part of the Sanyo System 288 series, manufactured between 1989 and 1991 in Japan. It features a black finish and was originally priced at approximately 150 DM per pair. The SX-225 is known for being part of a comprehensive audio system which included components like the Sanyo JA-288 integrated amplifier, the Sanyo JT-488 tuner, and other Sanyo audio devices. Its design positions it as a versatile option for various audio applications, and it has garnered interest among vintage audio enthusiasts. Other loudspeaker models that are part of the same series include the SX-330 and SX-M 60 among others.