Samsung QS90H Review: Can This All-In-One Soundbar Truly Replace a Subwoofer?

The Samsung QS90H drops the wireless subwoofer and ships 13 drivers in a chassis 3.5 inches wider than last year's QS700F, according to Engadget's review. At $1,000, the unit relies on built-in woofers and AI-driven processing to deliver low-end extension that prior all-in-one bars failed to provide. Engadget tested the QS90H directly after months of use with the Sonos Arc Ultra, the first soundbar to deliver adequate bass without a separate sub.

Driver architecture and form factor

QS90H driver count: 13. QS700F: 8. The wider chassis accommodates the five additional units. Both bars share an identical horizontally-striped top grille, dotted panels on the sides and front, and center-mounted onboard controls. The control layout is unchanged from the prior generation: microphone mute/Bluetooth toggle on the far left, two volume buttons in the middle, and a Multi function key on the far right that wakes the bar from Standby and cycles through inputs.

The QS700F ships with a separate compact wireless subwoofer because its internal woofers lack standalone output. The QS90H removes that external dependency and adopts a different approach to the built-in woofers to coax more low-end tone from the system.

Features, platform lock-in, and orientation

SpaceFit Sound Pro now operates through onboard microphones regardless of display manufacturer. On the QS700H, the same feature required Samsung TV pairing. That platform-agnostic shift is the most concrete usability gain over the prior generation, and the room-calibration routine adjusts output to the acoustics of the listening space in theory, offering better performance than the unit would deliver out of the box.

Convertible Fit uses a gyro sensor to detect placement. Tabletop flat-firing and wall-mounted outward-firing both trigger automatic audio recalibration. Engadget observed no measurable sound quality delta between the two orientations; the feature operates as advertised.

Verdict

Buy if: a $1,000 all-in-one bar without subwoofer is the target, and SpaceFit Sound Pro independence from Samsung TVs is a priority. The data shows cinematic scale, clarity, and robust bass without separate subwoofer hardware.

Skip if: wireless Dolby Atmos or Q-Symphony is the primary use case. Both lock to Samsung TV ecosystems and could not be verified in the review. The remaining feature set — AI Dynamic Bass Control, Adaptive Sound, Active Voice Amplifier Pro, Sound Elevation, Game Mode Pro — mirrors other current Samsung bars. Buyers running non-Samsung displays gain access to roughly half the headline feature list.