The Sanyo JA-1040 is an integrated amplifier that was manufactured from 1984 to 1986. It is a component of the Sanyo System 1040, which also includes other elements such as a tuner, tape deck, and record player. The amplifier is designed to deliver quality audio performance for a home audio system. It was initially priced around 650 DM at the time of its release. Specifications include functionality that supports a variety of audio sources, enhancing the user experience in listening to music and other audio content.