The Sanyo EG 6155 is an equalizer designed for integration within the Sanyo System 6155, a complete audio system produced between 1987 and 1988 in Japan. This model aims to enhance sound quality by allowing users to adjust the frequency response of their audio playback. It features multiple bands of equalization, enabling fine-tuning across different frequency ranges. The Sanyo System 6155 is characterized by its aesthetic appeal, typically presented in a black finish, and offers a range of components designed to work in harmony, including the integrated amplifier, tuner, CD player, tape deck, and record player. The original price for the complete system was approximately 2,998 DM, highlighting the system's positioning within the mid-to-high-end market segment of its time. The equalizer's functionality includes a visual representation of the audio signal via LED indicators, providing users with a clear view of their adjustments. The EG 6155, along with its associated components, was aimed at enthusiasts looking for customizable audio performance and aesthetic compatibility in their audio setups.