It is not worth investing in a 4K Blu-ray player for a 49-inch TV, given that it is significantly more expensive than a standard Blu-ray player.
While a 4K Blu-ray player can provide a better picture and sound quality than a standard Blu-ray player, the difference may not be noticeable on a 49-inch TV. The benefits of a 4K Blu-ray player are more apparent on larger screens, typically 55 inches or larger. Additionally, the cost of a 4K Blu-ray player is significantly higher than a standard Blu-ray player, making it a less cost-effective option for a smaller screen.
If you have a 49-inch TV and want to upgrade your home entertainment experience, it may be worth considering a standard Blu-ray player or a streaming device that supports 4K content. These options can provide a similar viewing experience at a lower cost.
Ultimately, the decision to invest in a 4K Blu-ray player for a 49-inch TV depends on your personal preferences and budget. If you value picture and sound quality and are willing to pay a premium for it, a 4K Blu-ray player may be a good choice. However, if you are looking for a more cost-effective option, a standard Blu-ray player or streaming device may be a better fit.