Published May 6, 2026, 10:21 AM EDT Sam Smart is a tech writer specializing in audio tech, having covered audio products like headphones, speakers, microphones, and streaming services for three years. She joined How-To Geek in October 2024. Sam has a Bachelor of Arts in English, where she honed her writing and research skills while also writing and editing her university's student paper. She previously wrote for Android Authority , Soundguys , and Pocket-lint . AV receivers can be finicky or hard to understand at first, so it's easy to mess a thing up or two during setup. Here are some settings to check if you're having any audio problems in your home theater. Improper room correction calibration It's easy to mess up While calibration tools for your AV receiver are incredibly handy in theory, it's very easy to mess it up.…