Sonos' Ace Ultra headphones can swap audio with any Sonos speaker

Sonos has expanded the functionality of its second‑generation Ace Ultra headphones by embedding a new “Headphone Engine 2” platform that lets users transfer playback from any Sonos speaker or soundbar to the headphones with a single press. The feature works across the entire Sonos ecosystem—including TV audio from soundbars, music from the Sonos app, local library files and even turntable streams—by leveraging upgraded Wi‑Fi hardware. The Ace Ultra also doubles the active‑noise‑cancellation performance, adds two extra microphones, and pushes total listening time to 35 hours with ANC on, while offering an 8‑band EQ for fine‑tuning. The design retains adaptive ANC, sidetone, Dolby Atmos support, and lossless Bluetooth (aptX Adaptive) or wired USB‑C playback, and it arrives in four colors for $449, $50 above the original Ace.

This move positions Sonos to compete more directly with premium wireless‑headphone brands that have long emphasized seamless device switching, such as Apple’s AirPods Pro and Sony’s WH‑1000XM series. By turning its multi‑room speakers into a true audio hub for headphones, Sonos blurs the line between home‑audio and personal‑audio markets, a strategy that could attract users who already own Sonos speakers but lack a high‑end wireless headset. The early‑access label signals that Sonos is still polishing the hand‑off experience, a critical differentiator; any latency or stability issues could undermine the perceived advantage over competitors whose ecosystem integration is already mature.

Watch for how quickly Sonos can scale the early‑access feature to a stable, universally supported function, especially as firmware updates roll out across its speaker line. Consumer reception will hinge on whether the $449 price point feels justified against alternatives that offer similar ANC and battery life but lack the Sonos‑wide hand‑off. Additionally, the reliance on Wi‑Fi for audio transfer may expose the headphones to network congestion in crowded homes, so performance in real‑world multi‑device environments will be a key metric for success.