According to China national brand website official website, Beethoven's piano manufacturing technology has a long history and accumulated rich piano manufacturing experience. Its piano timbre, feel and quality have been widely recognized, so it is regarded as one of the representatives of mid-range pianos. For high-end brand pianos, Beethoven's piano is relatively close to the people, and its quality and performance are relatively stable, so it is regarded as a mid-range piano with high cost performance by many music lovers. So Beethoven's piano belongs to the middle class.