Samsung HW-S700D – 3.1-Ch 250W Slim Soundbar, Wireless Sub, Dolby Atmos

Product Overview

The Samsung HW-S700D is an ultra-slim 3.1-channel soundbar rated at 250 watts with a wireless subwoofer, delivering Wireless Dolby Atmos in a low-profile form factor suited for installations where soundbar depth is a constraint. Q-Symphony integration, space-calibrated audio, and compatibility with Alexa, Chromecast, and AirPlay 2 make it a capable audio solution for corporate conference rooms, boardrooms, and upscale residential or hospitality installations.

Product Description

The HW-S700D is designed for environments where mounting clearance below a display is limited, using an ultra-slim profile that sits flush in tight installation spaces without obstructing viewing angles. At 3.1 channels and 250 watts total system power, it provides a meaningful improvement in spatial audio over single-bar configurations while maintaining a compact footprint. The wireless subwoofer connects without a physical cable run to the main soundbar, which simplifies installation in furniture-integrated or ceiling-dropped display environments. Wireless Dolby Atmos processing creates an overhead and spatial audio effect without requiring physical height speakers, using psychoacoustic object-based rendering to simulate a three-dimensional sound field. Q-Symphony allows the HW-S700D to work in combination with compatible Samsung TV speakers rather than replacing them, extending the effective speaker array. Room-filling sound calibrated to space uses microphone-based auto-calibration to adjust EQ and level balance based on the room's acoustic characteristics, reducing the need for manual DSP tuning during installation. Built-in Alexa provides voice control for audio and smart home commands. Chromecast built-in supports direct audio streaming from Android applications. AirPlay 2 enables wireless audio from Apple devices and multi-room grouping.

Key Features

• Ultra-Slim Profile — Low-profile form factor for installations with limited mounting clearance.
• 3.1-Channel Configuration — Discrete left, center, right, and subwoofer channels.
• 250W Total Output — Adequate power for medium-size conference and media rooms.
• Wireless Subwoofer — No subwoofer cable required, simplifying AV rack and furniture integration.
• Wireless Dolby Atmos — Object-based spatial audio without ceiling or height speakers.
• Q-Symphony — Combines with compatible Samsung TV speakers for expanded audio coverage.
• Space Calibration — Auto-EQ adjusts to room acoustics during setup.
• AirPlay 2 / Chromecast / Alexa — Multi-platform wireless audio and voice control.

Typical Applications

• Corporate boardrooms — low-profile audio beneath large-format displays
• Conference rooms — improved speech intelligibility and background audio
• Hospitality suites — in-room entertainment audio with wireless streaming support
• Residential AV installations — slim soundbar for gallery-wall or cabinet-integrated TV setups

Technical Specifications

Frequently Asked Questions

How does Wireless Dolby Atmos work without ceiling speakers?

The HW-S700D uses object-based Dolby Atmos processing to render height and spatial audio through psychoacoustic techniques, directing sound in ways that create perceived height and depth without physically placing speakers overhead. It is not equivalent to a discrete ceiling speaker configuration but provides meaningful spatial improvement over standard stereo or 3.1 playback.

What does space calibration do?

Space calibration uses a built-in microphone to measure the acoustic response of the room during setup. The soundbar then adjusts its EQ and level distribution to compensate for room reflections and absorption characteristics, reducing the need for manual DSP adjustment by the installer.

Does the HDMI Out port support ARC?

Yes. The HDMI Out port on the HW-S700D supports Audio Return Channel (ARC) for simplified audio routing from an ARC-enabled television without a separate optical or analog connection.