# I heard a 9.4.6-channel Dolby Atmos system in Denon and Marantz's elite reference listening room in their Japan factory — here's what a best-in-class system with tech from Bowers & Wilkins, Oppo, and

> For the launch of Denon's new X3900H and X2900H AV receivers, I visited the company's headquarters in Japan to give the new models a try in the custom listening room developed for the company's Sound Masters to tune…

- **Source:** [TechRadar](https://www.techradar.com/televisions/av-receivers/i-heard-a-9-4-6-channel-dolby-atmos-system-in-denon-and-marantz-elite-reference-listening-room?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a2f1eef1f4dce5502f0bf6d)
- **Published:** 2026-06-14
- **Category:** Audio & Video
- **Tags:** #oppo #denon #system #factory #japan #listening #marantz #room
- **Canonical:** http://localhost:4321/a/6a2f1eef1f4dce5502f0bf6d

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