The Sanyo SX-650 M is a loudspeaker model that was manufactured between 1978 and 1984 in Japan. It is part of a series of speakers from Sanyo, which also includes other models such as the SX-P range. The SX-650 M is designed to deliver quality sound performance, and its construction reflects the era's focus on producing reliable audio equipment. It features a well-balanced frequency response that accommodates a wide range of audio content, making it suitable for various listening environments. The design of the SX-650 M combines functionality with aesthetic appeal, typically showcasing a cabinetry that complements home interiors. The original pricing of the SX-650 M reflects its position in the market during its production years, although exact figures may vary.