How to Fix Sonos Arc Audio Dropouts: HDMI eARC Troubleshooting Guide
The Sonos Arc is widely regarded as one of the best premium Dolby Atmos soundbars on the market. However, even high-end audio gear isn't immune to technical glitches. One of the most frustrating problems reported by home theater enthusiasts is sudden audio dropouts —where the sound cuts out for a few seconds, or goes completely silent while watching movies, playing video games, or streaming TV shows. Most of these dropouts are not caused by a hardware failure in the Sonos Arc itself, but rather by HDMI eARC handshake issues , bandwidth limitations, or incorrect TV audio output settings. In this guide, we will walk you through the exact steps to troubleshoot and fix these audio dropouts once and for all. Step 1: Perform an HDMI eARC "Handshake Reset" HDMI eARC (Enhanced Audio Return Channel) relies on a constant, secure two-way communication (known as a "handshake") between your TV and the soundbar. If this handshake gets corrupted, audio dropouts w...