Samsung Sound Bar HW-Q990D/ZN (11.1.4Ch) Wi-Fi B Series, Q Series, QSymphony & S

1. True 11.1.4‑Channel Dolby Atmos & DTS:X Immersion

The system includes 22 drivers—comprising 11 front/surround channels, 1 dedicated subwoofer channel, and 4 up-firing height channels—delivering a truly immersive 3D surround experience for movies and games 

2. Wireless Dolby Atmos from Samsung TVs

When paired with supported Samsung TVs (models 2022–2024), Atmos audio is transmitted wirelessly to the soundbar for seamless object-based sound without extra cabling 

3. Q‑Symphony Technology with Samsung S‑Series TVs

Q‑Symphony enables simultaneous sound playback from both the soundbar and the TV’s built‑in speakers for enhanced spatial harmony—works best with compatible Samsung TVs via Wi‑Fi, HDMI, or optical connection 

Built‑in microphones analyze your room acoustics and automatically optimize sound output—including bass, clarity, and soundstage—based on your space layout 

5. Adaptive Sound and Sound Customization

Adaptive Sound dynamically adjusts audio settings based on content type, while graphic EQ (in Standard mode) and presets let you fine‑tune voice, bass, and overall tone to your preferences 

6. Game Mode Pro, HDMI 2.1 & low latency

Equipped with two HDMI 2.1 inputs that support 4K/120 Hz passthrough and VRR, plus ultra‑low input lag under ~10 ms—ideal for next‑gen gaming consoles like PS5/Xbox Series X 

7. Streaming & Connectivity Support

Offering Wi‑Fi and Bluetooth, plus support for AirPlay 2, Spotify and Tidal Connect, hi‑res formats (ALAC, FLAC, WAV), and even Dolby Atmos music streaming. Note: Chromecast isn’t supported 

8. Private Rear Sound & Sound Grouping Modes

Convert the rear speakers into a private listening mode to avoid disturbing others, or sync rear and main units for cohesive stereo sound and room-filling audio 

9. Control via Remote, App or Tap Sound

Use the provided IR remote or the SmartThings app (iOS/Android) to control EQ, voice/bass enhancement, Night Mode, and more. Enables Tap Sound feature: tap a compatible Samsung phone on the soundbar to start music playback instantly 

10. Sleek Four‑Unit Design with Practical Setup

The HW‑Q990D includes a soundbar, wireless subwoofer, and two rear satellite speakers. Setup is plug‑and‑play: connect bar to TV via HDMI eARC, then sync sub and surrounds wirelessly. The visually understated design fits well with minimalist systems though the front LED display can be hard to read behind the mesh grille