Samsung Q-series Soundbar HW-QS730D 3.1.2 ch Sub Woofer - HW-QS730D/ZC

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  • Wireless Dolby Atmos / DTS:X
  • True 3.1.2ch Sound
  • Q-Symphony

Pure sound immersion

* Images are simulated and for illustration purposes only. ** TV sold separately.


Wireless Dolby Atmos

World’s first Dolby Atmos surround sound connected wirelessly

Experience the ultimate 3D sound from Dolby Atmos using its object based audio formats for all sorts of content including movie and music, without HDMI cables.

* Wireless Dolby Atmos transmission via Wi-Fi, works with (selected) 2022 & 2023 Samsung TVs. ** Dolby Atmos and DTS:X applies to all 2022 & 2023 Q Series Soundbars. *** Dolby Atmos and DTS:X source content required.


True 3.1.2ch Sound

Experience captivating sound from above, with 2 up-firing channels

With 3 channels, 1 subwoofer channel, and 2 up-firing channels, 3.1.2ch sound creates a complete audio environment for a captivating entertainment experience.



TV and Soundbar orchestrated in epic harmony

Q Symphony is one of the Samsung exclusive technologies. It enables both TV speakers and Soundbar to work simultaneously, creating the ultimate sound synergy.

* Q-Symphony is compatible with select Samsung TVs. ** Now compatible with more Samsung TV models. *** For a complete list of compatible models, please refer to for more information.


SpaceFit Sound

Auto optimized sound to fit your space

Enjoy an optimized sound in alignment with the installation environment, whether it is on the wall or on the table, providing an optimal sound experience.


Sound Quality

Adaptive Sound

AI sound enhanced, regardless of what you watch

Automatically enhances voice clarity on low volumes. Actively optimizes sound depending on content.


Samsung Audio Lab

Engineered by sound innovation experts

Tested and tuned at the California Audio Lab, where our world class audio engineers apply the advanced acoustic technologies to give you amazingly balanced, room filling sound.





Sound quality without any deterioration

Connect various devices like game console or TV to the Soundbar. HDMI eARC technology delivers optimal sound without any deterioration.


Voice Assistant & Streaming Features

Stream the music you love and control it with your voice

Control your Soundbar with your voice by using the built-in Alexa feature or a Google Assistant-enabled device with Chromecast built-in.You can also use Chromecast built-in for streaming audio content, including the songs you love. Or you can connect to AirPlay to stream audio – just tap the AirPlay icon on your Apple device. With Apple AirPlay, you can enjoy your favorite music or podcasts from your iPhone or iPad.

* Amazon, Alexa, and all related logos are trademarks of, Inc. or its affiliates. ** Google, Chromecast built-in, and Google Home are trademarks of Google LLC. *** Apple, AirPlay, iPad, and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries and regions. **** This Samsung Soundbar supports AirPlay and requires iOS 11.4 or later. ***** Feature availability may vary by region/service provider/language. ****** To connect a Soundbar to a mobile device via a wireless network (Wi-Fi), the SmartThings app is required.



Seamlessly connect and enjoy music from your iOS devices

Allowing you to stream audio from iOS devices

* Apple, and AirPlay are trademarks of Apple Inc., registered in the U.S. and other countries. This Samsung Soundbar supports AirPlay 2 and requires iOS 11.4 or later.


Tap Sound

Just tap to connect

Mirroring music from your mobile device to Soundbar is as simple as a tap. When you tap your Soundbar with your mobile, the Soundbar senses the tap and mirrors automatically. So it's quick and easy to switch to the Soundbar and continue to enjoy your favourite music.


Game Mode Pro

Be a part of the game with dynamic sound

Powerful Up firing speakers, acoustic beam and strong woofers of Soundbar provide 3D sound that's optimized for gaming. Soundbar automatically activates the Game Mode in sync with TV.

* Sound optimization in Gaming Hub may vary by region and TV model.


SmartThings App

Compatible with SmartThings App

Connect your sound device to SmartThings App via Wi-Fi that allows you to control sound setting and group play on your mobile device. You can also access voice assistant and easily play your favourite music.

*Requires Samsung account. **Soundbar must be connected to Wi-Fi or other wireless network.


Synergy with TV


One Remote Control

One remote for total control

Control key Soundbar functions like power, volume, and even sound effects with the Samsung TV remote.

* Only available on select Samsung TVs. Visit for more information.


Wireless TV Connection (via Wi-Fi & Bluetooth)

Connect your Soundbar to TV wirelessly

Connect via Bluetooth® and enjoy your favourite content without unsightly cables.

* Only available on select Samsung TVs. Visit for more information.


Better Together


Wireless Surround Sound Compatible

Expand your surround sound and get more features

The Wireless Rear Speaker Kit* lets you expand your soundbar to a surround sound system for an enhanced cinematic experience. Plus, you can enjoy more sound modes with rear speakers, like Private Rear Sound and Sound Grouping.

* Samsung Wireless Rear Speaker Kit sold separately. (SWA-9500S) ** Samsung Wireless Rear Speaker Kit requires power cords to connect to right and left rear speakers.

* Images are simulated and for illustration purposes only. Appearance and specifications are subject to change without notice.

General Feature
Number of Channel3.1.2
Number of Speakers9
ColourTitan Black
Center SpeakerYes
Up-firing SpeakerYes
Front Wide-firing SpeakerNo
Side-firing SpeakerNo
Wireless Subwoofer IncludedYes
Wireless Rear Speaker IncludedNo
Audio Feature
Active Voice AmplifierNo
SpaceFit SoundYes (Works with)
DolbyATMOS Music, ATMOS, Dolby Digital Plus, Dolby True HD
Voice Enhance ModeYes
Night ModeYes
Sound ModesSurround Sound Expansion, Game Pro, Adaptive, Standard
LPCMMulti channel
Video Feature
4K Video Pass60 Hz
Decoding Format
Decoding FormatMP3, AAC, OGG, FLAC, WAV, ALAC, AIFF
USB Music PlaybackNo
One Remote ControlYes
Bluetooth Version5.2
Special Feature
SmartThings AppYes
Multi Position Rear SpeakerNo
Tap SoundYes
Spotify ConnectYes
Wireless Dolby ATMOSYes
Roon ServiceNo
Voice Feature
Works with GoogleYes
Net Dimension (Main Speaker) (WxHxD)1110.7 x 60.4 x 120.0 mm
Net Dimension (Sub Woofer) (WxHxD)210.0 x 403.0 x 403.0 mm
Gross Dimension (WxHxD): One Packing1182 x 576 x 272 mm
Net Weight (Main Speaker)4.8 kg
Net Weight (Sub Woofer)9.8 kg
Gross Weight (One Packing)17.7 kg
Stand-by Power Consumption (Main)0.5 W
Stand-by Power Consumption (Subwoofer)0.5 W
Operating Power Consumption (Main)37 W
Operating Power Consumption (Subwoofer)28 W
Free VoltageYes
Energy StarNo
Remote ControllerYes
Wall Mount BracketYes

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