Audio Reference | Tom's Guide

What Is Sonos? How the Speakers Work (and What They Work With)

By Kate Kozuch

Sonos audio devices are known for multiroom music playback, smart assistants, and support for all the major streaming services. Here's your guide to Sonos speakers.

Amazon Music Unlimited vs Prime Music - What’s the Difference?

By Henry T. Casey

Is Amazon's Music Unlimited service worth paying for, or is its free-with-Prime alternative option good enough?

Using Bluetooth Headphones on Your TV? Here's What You Need to Know

By Henry T. Casey

Here's one way you can control the volume of your TV when using Bluetooth headphones.

Dolby Atmos Explained: What It Is, How It Works and Where to Get It

By Sherri L. Smith

Dolby Atmos takes surround sound to the next level with true 3D audio. Here's everything you need to know and how to buy the right gear.

The End of iTunes: What It Means for You

By Jason Snell

With rumors pointing to an end in sight for Apple’s iTunes, here’s how the move could lead to better things on the Mac and iPad.

Is the Samsung HW-MS550 Worth Buying?

By Michael Gowan

The Samsung HW-MS550 is a compelling, affordable soundbar option that offers plenty of inputs and support for multiroom sound.

What Is HDMI ARC?

By Brian Westover

HDMI ARC provides a two-way flow of sound between a TV and a soundbar or other gear. Here's what you need to know.

What Is Dolby Vision? (And How to Get It)

By John R. Quain

Curious about what Dolby Vision is and what it does? Wondering how Dolby Vision differs from other HDR formats, or just want to know where to get shows and movies that are Dolby Vision compatible? Get the scoop on the leading version of HDR.