1. Function and performance: Different models of synchronous sewing machines may have different functions and performance. For example, the 4500 model may have higher maximum sewing speed and more sewing program choices, while the 4200 model may have simpler functions.
2. Configuration and accessories: Different models of synchronous sewing machines may have different configurations and accessories. High-end models may be equipped with special accessories such as sewing feet and thread trimmers, and entry-level models may provide basic accessories.
3. Price: Due to the differences in function and performance, the prices of different models of synchronous sewing machines will be different. Generally speaking, more powerful models may cost more.
These differences are caused by the differences in design and manufacture of different types of synchronous sewing machines. Manufacturers can adjust the functions and performance of different types of sewing machines according to market demand and different needs of consumers. Therefore, consumers need to choose the appropriate model according to their actual needs and budget before buying.
In addition, there are other factors that may affect the selection of sewing machines for synchronous cars, such as brand reputation, after-sales service and user evaluation. It is suggested to consider these factors comprehensively when purchasing and choose a synchronous sewing machine suitable for your own needs.