Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. There is a difference in screen size (42 Inch (107 cm) vs 43 Inch (109.22 cm)), and a larger screen generally provides a more immersive viewing experience. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both TVs come with smart platforms that support popular streaming apps and voice control features. If you're comparing Panasonic TH-42JS660 and Elista LED-SU43ECA69, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Panasonic TH-42JS660 and Elista LED-SU43ECA69 differ in resolution (1920 x 1080 vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions.

Verdict: Choosing between Panasonic TH-42JS660 and Elista LED-SU43ECA69 depends on your usage, whether you prioritize display quality, smoother motion, or smart features.