At Engadget, we’ve tested scads of audio equipment. In our guide to the best Bluetooth speakers and smart speakers, we break down which, out of the thousands out there, are worth your money. Not surprisingly,

While it's on sale, we highly recommend picking up the Sonos Arc, it's one of the best picks to upgrade your home entertainment system. But it alone won't bring the best sound, as a full budget Sonos Arc audio system with two Era 100s and a Sonos Sub Mini make for a stellar enhancement to your audio setup.

Nakamichi makes the best wireless surround sound systems on the market and Prime Day has them on sale for cheaper than ever before.