Compare Samsung HW-Q990D Soundbar vs Marshall Kilburn III Portable Bluetooth Speaker

SpaceFit/room calibration is widely present and sometimes useful, though a few reviewers found its effect subtle or hard to hear.

AirPlay support is consistently listed among the wireless streaming options.

Reviewers cite the system's high total amplification, supporting its large-room home-theater ambitions.

Power references point to a strong 50W Class D amplifier setup, repeatedly tied to the speaker's loud, forceful output.

SmartThings is generally described as easier than the remote and useful for setup and sound adjustments.

App impressions are mixed: one reviewer could not finalize the app connection, while others found the app clean, useful, and easy for EQ and settings.

Format support is a clear strength, with Dolby Atmos, DTS:X and other surround formats repeatedly confirmed.

Audio format support is adequate but limited, with reviewers noting SBC, AAC, and LC3 while calling out the lack of higher-resolution codecs.

Legacy and non-Samsung compatibility is supported mainly through HDMI, optical, and use with non-Samsung TVs, though Samsung TVs unlock extras.

Battery life is one of the clearest strengths, with reviewers repeatedly citing about 50 hours or real-world multi-day use.

Bluetooth codec support covers standard lossy codecs, but reviewers consistently noted the absence of hi-res options such as LDAC or aptX Adaptive.

Bluetooth works for streaming, but reviewers focus more on support than detailed stability testing.

Bluetooth connection stability tested well in direct use, with one reviewer reporting easy pairing, a solid connection, and no signal weirdness.

Bluetooth range is viewed positively, with reviewers citing a 10-meter range and one test exceeding that distance around the house.

The cabinet and physical construction are described as solid, metal-heavy, durable, and premium.

Build and cabinet quality are praised as solid, premium, and durable-feeling, with sturdy materials and a serviceable battery access door.

Charging is generally strong with USB-C PD and quick-charge claims, though reviewers warn that weaker chargers or playback while charging can slow things down.

Chromecast support is broadly cited, but one reviewer notes it is not supported in the US.

The system is repeatedly praised for cohesive handoffs between bar, surrounds, and subwoofer.

The speaker presents a cohesive Marshall package, combining warm sound, loud output, physical controls, and retro styling into a unified experience.

The top-panel buttons are basic but clicky and preferred over touch-sensitive controls.

Physical control feel is a major strength, with reviewers praising tactile switches, knobs, and playback controls.

The design is understated and sleek, though large and visually similar to prior models.

Design is one of the most widely praised traits, with reviewers repeatedly calling out the amp-inspired retro look, premium finishes, and statement-piece character.

Build quality is considered premium and sturdy, with a few size-related caveats.

Detail retrieval is strong, with reviewers hearing fine effects, instrument separation, and crisp textures.

Detail retrieval is generally strong, especially in vocals, cymbals, bass texture, and layered tracks, though one reviewer heard some upper-mid detail loss.

Dialogue clarity is a consistent highlight across movies, TV, and sports.

High-volume behavior is mostly clean, but a few reviews mention subwoofer crackle, chuffing, or muddy bass.

High-volume distortion control is excellent across reviews, with repeated reports of loud playback without cracking, hissing, peaking, muddiness, or obvious distortion.

Dolby Atmos is the strongest consensus feature, with convincing height, overhead effects, and immersive placement.

Dust resistance improved over the prior model, with reviewers consistently citing IP54 protection as useful but not fully rugged.

Dynamic range and cinematic impact are strong, especially with action scenes and big effects.

Dynamic behavior is a strength, with reviewers crediting dynamic loudness and placement compensation for preserving balance and detail as volume changes.

Energy efficiency is supported by the unusually long runtime from only a modest battery-capacity increase, which one reviewer attributes to major efficiency gains.

EQ, tone, woofer, channel-level, voice, bass, and sound-mode controls give broad customization.

EQ customization is broad for a Bluetooth speaker, with physical bass and treble knobs plus app presets, custom EQ, placement compensation, and M-button shortcuts.

Everyday usability is strong thanks to straightforward controls, easy living-room use, and the ability to move the speaker around without losing useful sound coverage.

Most reviewers describe a balanced, clear sound, though some note bass-heavy or muddy moments.

Frequency balance is broadly praised for tight bass, clear mids, and crisp highs, though a few reviewers heard extra bass or mids in some contexts.

HDMI passthrough is a major upgrade, especially for 4K/120Hz gaming and consoles.

Google-related support appears through Google Home, Google Assistant, or Chromecast, with regional caveats.

Google support is limited to Fast Pair, which reviewers describe as a useful setup convenience rather than a full smart ecosystem feature.

The carry strap is praised for comfort, style, and usefulness, especially its velvet lining and secure feel despite the speaker's weight.

HDMI 2.1 gaming is a standout addition, adding 4K/120Hz, VRR, ALLM, and low-latency use cases.

HDMI ARC/eARC support is consistently confirmed as the preferred wired TV connection.

Home-theater integration is strong, especially with Samsung TVs via Q-Symphony and menu integration.

Home theater integration is limited today, but one reviewer notes future Auracast surround use with Marshall soundbars as a possible path.

Most reviewers report easy or reliable inter-speaker connectivity, though one user found a defective HDMI input.

Inter-speaker connectivity is a weakness: reviewers repeatedly note no native stereo pairing or multi-speaker system, and one Auracast attempt was glitchy.

Latency is generally controlled, with reviewers reporting low input lag or synced audio/video.

LED lighting is present as functional knob illumination and level indication, not as decorative party lighting.

Lighting is limited to useful LED indicators on the controls rather than immersive or decorative effects.

Maximum volume and room-filling power are strong enough for large or open spaces.

Maximum volume is a major strength, with reviewers describing serious, room-filling, or even unbelievable loudness for a single portable speaker.

Low-volume tools like Night Mode, Private Listening, and voice emphasis help late-night or quieter listening.

Low-volume performance is specifically praised for retaining richness, separation, and bass rather than thinning out in background listening.

Microphones support SpaceFit, voice features, and mic-off controls, though they are not a major review focus.

The microphone category is a clear weakness because multiple reviewers state there is no built-in mic.

The sub and rear speakers usually pair automatically and reliably.

Multi-speaker pairing reliability is weak because reviewers say the speaker lacks true wireless stereo or native multi-speaker pairing, with one failed Auracast attempt.

Multipoint connectivity is supported and described as letting two devices pair at the same time.

Reviewers describe room-filling, all-around sound that creates a dome or surround bubble.

Omnidirectional sound is a standout feature, with reviewers repeatedly praising the 360-degree, wide, room-filling presentation and minimal dead spots.

On-device controls are present and useful when the remote is unavailable.

On-device controls are a major strength, with reviewers repeatedly praising the knobs, switches, playback control, and simple no-learning-curve operation.

Optical/Toslink input is consistently available, though usually secondary to HDMI eARC.

The power-bank function is repeatedly confirmed, letting the speaker charge phones or other devices through USB-C.

Price and value are mixed-to-positive: reviewers call it pricey, but most say the sound, design, battery, and upgrades justify the cost.

Privacy discussion centers on the microphone mute control and mic-off indicator rather than broader data practices.

Rear-speaker power cables are usable and sometimes praised, but some reviewers still wanted longer cables.

The remote is usable, but the tiny display and limited shortcuts make deeper adjustments less convenient.

Setup is consistently described as simple, intuitive, or nearly effortless for a multi-piece system.

Setup is simple, helped by Bluetooth pairing and Google Fast Pair, with one reviewer calling the pairing process real simple.

Smart assistant integration is strong, with Alexa repeatedly cited and some reviews also mentioning Google Assistant or Bixby.

Smart assistant integration is effectively absent, with reviewers repeatedly noting no voice assistant or voice control.

Smart features are extensive, including SmartThings, Q-Symphony, wireless Atmos, Tap Sound, and smart-home functions.

Smart features are intentionally minimal, with no Wi-Fi, voice assistant, or smart-speaker behavior despite a useful app and EQ tools.

Soundstage height is usually impressive, though one reviewer wanted more overhead sensation.

Speakerphone capability is absent because reviewers state there is no built-in microphone and that it cannot be used as a speakerphone.

Spotify Connect is supported, but one reviewer reports a frustrating volume-step issue.

Status indicators are a recurring weakness because the front display is small and hard to read.

Status indicators are useful, with reviewers highlighting the 10-bar battery gauge and illuminated control-level LEDs.

Stereo imaging is better than many soundbars, especially with modes that widen or repurpose rear speakers.

Stereo imaging is wide and impressive, but not truly precise stereo separation; reviewers praise spaciousness while noting symmetry and separation limits.

The subwoofer is generally powerful, controlled, and well integrated, with a few bass caveats.

Low-end hardware gets positive attention, with reviewers citing the built-in subwoofer or woofer as a source of strong bass.

Surround performance is a major strength, with convincing side, rear, and front-to-back movement.

Surround-like presentation is wide and immersive, but reviewers caution that it is not true full surround sound.

Sustainability is supported by the replaceable battery design and battery-preservation features that may extend useful life.

USB-C charging is a clear upgrade and strength, supporting charging the speaker and external devices with modern USB-C hardware.

Value is context-dependent: reviewers like the complete package, but cheaper Q990C deals undercut it.

Overall value for money is mostly positive, with reviewers seeing worthwhile upgrades, strong sound, premium design, and long battery life despite the price.

Video passthrough is strong, including 4K/120Hz gaming and HDR format passthrough.

Voice clarity is strong, helped by center-channel strength and optional voice enhancement.

Voice clarity is strong for music playback, with reviewers repeatedly reporting clear, forward, or crisp vocals.

Water resistance is useful but moderate: reviewers consistently cite IP54 splash protection while warning it is not full waterproofing or beach-rugged IP67.

The system is large and heavy enough to require planning, even though that heft supports a premium impression.

Weight convenience is mixed: reviewers find it carryable with the strap, but repeatedly describe it as heavy, large, or better for home and gatherings than backpacking.

Wi-Fi and wireless TV connections work well for some reviewers, but HDMI remains the safer recommendation.

Wi-Fi streaming is a weakness because reviewers repeatedly note there is no Wi-Fi support, even at this price.

Wired inputs are strong, centered on HDMI/eARC with optical as a backup.

Wired input is a useful fallback, with reviewers highlighting the 3.5mm AUX port for non-Bluetooth or higher-quality listening paths.