Samsung HW-Q990H vs Sonos Arc Ultra

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HW-Q990H compared with Arc Ultra

	SamsungHW-Q990H	SonosArc Ultra
Overview
Released
Released	2026	October 2024
Sound
Type
Type	Soundbar	Soundbar
Channels
Channels	11.1.4	9.1.4
Dolby Atmos
Dolby Atmos	Yes	Yes
Drivers
Drivers	23 drivers across the soundbar, subwoofer and rear speakers; front, side and upward-firing drivers. Subwoofer has two 8-inch units	Nine silk-dome tweeters (two firing upwards), six midwoofers and a Sound Motion woofer (four motors, dual membrane)
Amplifiers
Amplifiers	–	Fifteen class-D digital amplifiers
Audio formats
Audio formats	Dolby Atmos Music, Dolby Atmos, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS:X, Eclipsa Audio and multichannel LPCM; MP3, AAC, OGG, FLAC, WAV, ALAC and AIFF	Stereo PCM, Dolby Digital, Dolby Digital Plus, Dolby Atmos (Dolby Digital Plus); with HDMI eARC also Dolby Atmos, Dolby TrueHD, Dolby Atmos (TrueHD), multichannel PCM and Dolby multichannel PCM; DTS Digital Surround
Room tuning
Room tuning	SpaceFit Sound Pro room calibration using a built-in microphone; AI Adaptive Sound, Active Voice Amplifier Pro, Sound Elevation, Auto Volume, Night Mode and Moderate Bass	Trueplay (iOS and Android); bass, treble and loudness adjustable; Speech Enhancement with four levels; Night Sound
Connections
Wi-Fi
Wi-Fi	Yes	Yes
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	Yes	Yes
HDMI eARC
HDMI eARC	Yes	Yes
Voice assistants
Voice assistants	Alexa	Alexa and Sonos Voice Control
Wi-Fi
Wi-Fi	–	Wi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 GHz and 5 GHz
Bluetooth
Bluetooth	Bluetooth 5.3 audio streaming	Bluetooth 5.3
Ports
Ports	Two HDMI inputs with HDMI 2.1 4K 120 Hz passthrough, one HDMI eARC/ARC output with CEC, one optical input; no USB music playback. HDR10+ maker-listed; Dolby Vision, VRR and ALLM passthrough confirmed by What Hi-Fi	HDMI eARC; optical through an adapter sold separately
Streaming
Streaming	AirPlay, Google Cast, Spotify Connect, Tidal Connect, Roon Ready and Bluetooth	Apple AirPlay 2
Multi-room
Multi-room	Q-Symphony combines compatible Samsung TV and audio-device speakers; Personal Listening directs sound to the rears, Party Sound Grouping sends music through the rears. Wireless Dolby Atmos TV transmission requires a compatible 2022–2026 Samsung TV	Groups with other Sonos products over Wi-Fi; add a Sonos Sub (or two) and rear speakers; TV Audio Swap to Sonos Ace headphones
App
App	SmartThings and Samsung Sound app; Wi-Fi streaming setup requires a Samsung account. TechRadar's May 2026 test found Samsung Sound's features less complete than SmartThings	Sonos app (iOS and Android); works with the TV remote
Design
Weight
Weight	7.3 kg	5.9 kg (better)
Controls
Controls	Included remote control, SmartThings or Samsung Sound app, HDMI CEC and compatible Samsung One Remote	Capacitive touch controls (play, pause, skip, replay, volume, voice mute, grouping); Bluetooth button; microphone switch
Microphones
Microphones	Built-in microphone for room calibration and voice features; Alexa built in, Works with Google support via an external device; no Bixby	Far-field microphone array with beamforming and multichannel echo cancellation; switch cuts power to the microphones
Mounting
Mounting	Wall-mount bracket included	M5 × 0.8 mm thread, 6.5 mm deep; Arc Ultra Wall Mount sold separately
Size
Size	Soundbar 1232 × 70.8 × 138 mm; rear speaker 129.5 × 201.3 × 140.4 mm; subwoofer 249 × 251.8 × 249 mm (width × height × depth)	75 × 1,178 × 110.6 mm (H × W × D)
Colours
Colours	Titan Black	Black, White
In the box
In the box	Soundbar, wireless subwoofer, two wireless rear speakers, remote control and wall-mount bracket; each component requires mains power	Arc Ultra, power cable (2 m), HDMI cable (1.5 m), documentation