Best if you only care about music . It typically powers two speakers and a subwoofer (2.1 setup).
Essential if you plan to connect a turntable without a separate preamp. how to buy a receiver
If you have a 4K or 8K TV, your receiver must be HDMI 2.1 compliant to pass those high-resolution signals through without losing quality. Best if you only care about music
The choice for home theaters . It handles surround sound and video switching for multiple devices like Blu-ray players and consoles. 2. Count Your Channels the more immersive the sound.
Required for Dolby Atmos or DTS:X , which add "height" channels to make sound feel like it's coming from above you.
A "channel" represents one speaker. The more channels, the more immersive the sound.