# This New TV Headphone System Serves Up Lag-Free Audio to Many Pairs at Once

> Auracast is among the most intriguing new audio technologies that you've probably never heard of. Using a new, more efficient type of Bluetooth, it promises lag-free, high-quality sound transmission from up to 100…

- **Source:** [WIRED](https://www.wired.com/review/sennheiser-rs-275-tv-headphones-bta1-auracast/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a385f65e8976fcb37ce024c)
- **Published:** 2026-06-21
- **Category:** Audio & Video
- **Tags:** #headphones
- **Canonical:** http://localhost:4321/a/6a385f65e8976fcb37ce024c

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_GearOpen's distilled summary. The full original article is published at WIRED (source link above); GearOpen does not republish the source's full text._