Compare KEF LSX II Wireless HiFi Speakers vs Edifier M90

AirPlay worked smoothly in the one opinionated mention, with the reviewer switching without failure.

AirPlay 2 is absent, so the M90 cannot join an Apple multi-room setup and must rely on Bluetooth or wired connections.

Wireless and streaming reliability was mostly positive, with smooth Tidal, AirPlay, and network use, though one Roon/MQA experience included dropouts.

There is no Wi-Fi streaming, direct music-service support, or multi-room playback, which is a notable limitation for shoppers wanting a networked speaker.

Surround immersion was a weakness in the one direct mention, with the speakers not delivering Atmos-style or DTS:X-like effects.

The wide front stage gives flyovers and directional effects convincing space, but it remains a stereo system rather than true surround sound.

Remote opinions were mixed to negative: one reviewer liked the ergonomics, but others called it cheap, plasticky, limited, or only situationally useful.

The compact radio remote is highly useful for volume, inputs, playback, and EQ presets, and it works without line of sight. Because the physical controls are on the rear, the remote becomes nearly essential.

Low-volume evidence was mixed: one reviewer felt dynamics dropped when set too low, while another still felt bass at lower volumes.

Detail and clarity remain intact at apartment-friendly listening levels, making the M90 especially effective for quiet desktop use.

Inter-speaker connectivity was mixed: wired links can improve sound or simplify LT power, but some reviewers disliked losing wireless inter-speaker freedom.

The generously long speaker-to-speaker cable allows proper stereo spacing across desks, shelves, and TV stands.

High-volume behavior was mixed: some heard little distortion, while others reported brightness, strain, hardness, or stridency near the top of the volume range.

Most listeners found the sound clean and controlled even when pushed hard, with little hiss or obvious distortion. At extreme levels, bass can become boomier and a few tracks lose some composure.

HDMI ARC was useful for TV integration and convenient control, but one reviewer criticized the lack of eARC.

HDMI eARC is a standout strength, delivering simple TV setup, reliable CEC volume control, and strong audio quality. It makes the M90 a convincing alternative to a compact soundbar.

The app was widely praised for being easy, responsive, and usable, with only minor reservations around layout or specific streaming behavior.

ConneX is usually fast, clear, and stable, with useful input, firmware, and EQ controls. It can feel basic, sometimes requires Bluetooth for changes, and a few users found reconnection or setup unnecessarily fiddly.

On-device controls were a clear weakness because direct mentions complained about the lack of on-speaker touch or physical controls.

The only physical knob and power control sit on the rear of the active speaker, making direct adjustments awkward. Most users will rely on the remote, app, or TV remote instead.

Bass was repeatedly called impressive for the size, but reviewers also agreed deep bass, EDM, movies, and large rooms benefit from adding a subwoofer.

The dedicated sub output makes it easy to add deeper extension. Many desktop listeners will be satisfied without one, while action movies and bass-heavy music benefit clearly from a subwoofer.

Audio format support was broad, but reviewers noted that higher native resolution playback depends on wired connections.

Hi-res wired processing and LDAC playback preserve more detail than basic Bluetooth, with a clearly audible benefit on compatible high-resolution material.

Reviewers found the speakers surprisingly loud for their size in small to mid-size rooms, but several noted limits when pushed hard or used in larger spaces.

The M90 gets far louder than most desktop setups require and comfortably fills small to medium rooms. Output remains impressive in larger spaces, though the compact drivers cannot match full-size speakers.

Tonality was generally described as balanced, inviting, and detailed, though a few reviews noted treble brightness or placement-sensitive bass.

The overall tuning is warm-neutral or broadly balanced, with strong bass and clear vocals. Depending on preset and placement, the mid-high range can sound cool, dry, recessed, or slightly rough, making the nine-band EQ especially useful.

Home theater integration was generally good for stereo TV use, dialogue, and separation, but not ideal for full surround immersion or heavy bass scenes without a sub.

HDMI eARC, CEC, clear dialogue, and wide stereo imaging make the M90 an excellent bedroom or office TV upgrade. Larger rooms and effects-heavy movies may still need a subwoofer or bigger speakers.

TV latency was consistently positive in direct tests, with reviewers reporting no syncing issues or virtually no lag.

HDMI eARC provides responsive, well-synced TV and gaming audio. One customer encountered noticeable Bluetooth video delay, so wired TV use is the safer choice.

Wired connectivity was a major strength, with reviewers praising the breadth of physical inputs including USB, optical, HDMI ARC, analog, and network options.

HDMI eARC, optical, USB-C, AUX, and sub-out cover nearly every desktop, TV, and legacy source. Multiple devices can remain connected and be switched without moving cables.

Vocal clarity was praised in most direct mentions, although one comparison found intelligibility less strong than a competing setup.

Voices sound clear, forward, and full-bodied across music, podcasts, and TV. They remain intelligible without becoming shouty or thin.

For TV and dialogue, reviewers generally heard clearer, more forward voices, though one comparison preferred another system for vocal intelligibility.

TV and movie dialogue comes through crystal clear, nuanced, and naturally centered, even during busy scenes.

Price was treated as a real consideration, with some reviewers calling it expensive while others felt the package justified the cost or pointed to cheaper LT options.

The regular price is a noticeable jump from the M60 and can feel high for a single-purpose desktop setup. Discounts make the proposition much easier to justify.

Dynamic performance was strong for the size, with punch and liveliness repeatedly praised, though ultimate scale still depends on room size and bass demands.

The bi-amplified design gives the compact speakers strong punch and reserve, keeping music and movie effects lively as volume rises.

Soundstage height was excellent in the two direct nearfield mentions, with the stage extending above and behind the speakers.

The M90 produces unusually wide, deep, and tall staging for its size, especially over HDMI or optical and with careful placement.

Cohesion was praised across listening notes, with reviewers describing organized, tight, musical, and speaker-disappearing presentations.

Drivers blend smoothly into a unified, clean presentation, with vocals and instruments remaining organized across music, games, and video.

Stereo imaging was one of the clearest strengths, with repeated praise for centered vocals, detached images, broad staging, and precise placement.

The speakers create a wide, stable stereo image with convincing center vocals and precise placement. A few demanding recordings reveal less pinpoint separation than dedicated hi-fi monitors.

The compact footprint made the system easy to move between rooms in the one direct portability-related mention.

The speakers have reassuring heft but retain a compact, desk-friendly footprint. They are easy to position on shelves or media consoles without feeling flimsy.

Design and aesthetics were one of the strongest areas, with reviewers repeatedly praising the styling, compact form, and luxury or décor-friendly look.

The restrained, boxy design looks modern and purposeful without flashy styling. It blends easily into desks and living rooms, although the busy rear panel is less elegant.

Value was strongly positive overall because reviewers framed the speakers as a compact, musical, feature-rich all-in-one system that competes well for the money.

The combination of sound quality, HDMI eARC, broad inputs, app EQ, and compact size makes the M90 strong value as an all-in-one system. One customer preferred a much cheaper alternative, but the wider consensus is highly favorable.

Detail retrieval was a consistent strength, with reviewers emphasizing clarity, separation, transparent presentation, and the ability to pick out instruments.

Vocals, instruments, and small textures are generally clear and well separated. The smooth upper treble can occasionally blend fine details on dense recordings.

EQ customization was praised for room, placement, treble, bass, and subwoofer tuning, with one caveat that full manual EQ control is limited.

The nine-band EQ and saveable presets make meaningful tonal and room corrections easy, with presets accessible from the remote. Power users may miss full parametric EQ, and some changes require a Bluetooth app connection.

Finish and décor appeal were praised across reviews, though the LT version drew a caveat for fewer or less luxurious finish options.

The black and white matte finishes look clean, modern, and easy to match with a desk or TV stand. The surfaces resist fingerprints and everyday marks well.

Setup simplicity was a strong point, with repeated reports of smooth app setup, quick connection, and minimal fuss.

Most setups are plug-and-play, with USB-C and HDMI working in minutes. Docking-station arrangements and the app's Bluetooth connection can require extra troubleshooting or clearer instructions.

Amplifier integration drew strong praise where evaluated, with reviewers saying the amps are well matched or fine-tuned to the drivers.

The active, bi-amplified design needs no separate receiver, DAC, or power amplifier, simplifying both desktop and TV systems.

Cabinet build quality was positive in the direct evidence, with the speakers feeling solid and dependably made.

The dense MDF-style cabinets feel solid, rigid, and more premium than typical computer speakers. One unit showed average panel fit, but most found the enclosure impressively substantial.

The optical input produced pleasing results in the one direct listening test that evaluated it.

The optical input is handy for televisions, media players, and older digital sources. It sounds good, though it does not support the same automatic wake behavior as HDMI.

Bluetooth and HDMI wake quickly, but USB-C, optical, and AUX may require the remote or app. The aggressive default sleep behavior can interrupt quiet content, though firmware and app settings can largely fix it.

AUX and optical inputs make it easy to use turntables with preamps, older media players, and legacy televisions.

Bass is punchy, fast, and unusually authoritative for four-inch drivers, with little muddiness or bloat. Deep sub-bass and large-room impact remain limited, so bass-heavy listeners may want a subwoofer.

LDAC provides unusually strong wireless quality for this class, while AAC keeps iPhone playback respectable. LDAC is unavailable on Apple devices and cannot be used simultaneously with multipoint.

Pairing is usually fast and stable at normal room distances. An isolated customer report found repeated disconnections when using Bluetooth with a TV.

Bluetooth pairing is quick and straightforward, making casual phone and tablet playback easy.

Bluetooth range received a qualified assessment because the older Bluetooth version made the reviewer wish for Bluetooth 5.0 range benefits.

The crowded rear panel can turn into a visible tangle when several sources are connected at once.

Chromecast was the main casting weak spot, with one reviewer reporting unusually slow track loading.

The remote buttons respond quickly, have practical sizing, and remain easy to use in a dark room.

The exposed drivers have no grilles, leaving the soft tweeters vulnerable to curious fingers or accidental contact.

Directional effects are easy to track, with strong impact and spacious rendering for desktop or couch gaming. HDMI eARC also keeps TV gaming responsive.

The box includes a generous cable selection, but a few customers received defective USB-C or power cables that required replacement.

The main multi-room limitation was that synchronized multi-room playback was not available in the KEF Connect app.

Multipoint makes switching between two devices convenient and generally seamless. Enabling it disables LDAC, so shoppers must choose convenience or the highest Bluetooth quality.

Music sounds lively, clean, and enjoyable across genres, with rich vocals, punchy bass, and useful detail. The tuning favors accessible long-session listening over strict studio-monitor neutrality.

Off-axis and room coverage were strong in the few direct mentions, with reviewers praising sound quality away from the sweet spot.

The compact footprint and substantial output are an excellent match for desks, bedrooms, offices, apartments, and small to medium living rooms.

Smart features were viewed as broad and convenient, especially streaming services and app control, though Roon and multi-room gaps reduced perfection.

Recycled cardboard-style protective forms reduce packaging waste while still keeping the speakers well protected.

Highs are generally smooth, detailed, and comfortable for long sessions. Some listeners heard recessed, cool, or slightly rough upper frequencies, which the EQ can usually tame.

HDMI eARC and CEC connect reliably, wake quickly, and let the TV remote control volume and power without fuss.