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Mission LX-4 MKII
LX-4 MKII is a 2-way Floorstanding loudspeaker with two 5″ bass drivers and a 1″ softdome treble unit.
The LX MKII Series is the latest in a long line of distinguished Mission loudspeakers, joining the multi-award winning speakers from the mid-level QX Series and the flagship ZX Series. LX MKII maintains the Mission trademark ‘Inverted Driver Geometry’ design, which means the path length between the drivers is optimised. Unique at this price-point, this arrangement allows the precision-tuned crossover to yield improved transient attack and astonishing detail.
Perfected over hundreds of hours of critical listening by Mission’s lead acoustic designer, Peter Comeau, Mission LX MKII utilises trickle-down innovations from the revered ZX series. Improvements in the famous Mission DiaDrive bass unit offer superior control of the low-frequency diaphragm while a refined high-frequency performance and a re-engineered cabinet bracing system further help create a loudspeaker system that outperforms its price-class.
From over 40 years of British Hi-Fi heritage and experience, LX MKII is a representation of Mission’s non-stop pursuit of improvement and excellence
One of the critical areas highlighted by the development of Mission ZX and QX models was the use of serrations in the driver surrounds to help scatter interfering reflections from localised surfaces to the dome and cone
LX MKII now incorporates these serrations into the driver surrounds, adding further finesse to the drive unit outputs and providing a smoother frequency response
With minor perturbations in the driver response ironed out, the crossover for each model has been optimised to take advantage of the improved performance
The result is that the LX MKII builds on the winning formula of the LX, both enhancing the clarity of midrange and treble detail and improving the micro-dynamics of the musical performance for an even more thrilling listener experience
Mission’s classic IDG (Inverted Driver Geometry) driver format positions the high frequency below the bass / midrange driver meaning the length of path is equalised so the sound waves coincide at the listener’s head height. A proprietary principle that improves ‘time alignment’ and thus transient performance in Mission speakers
Standout new finish options follow the Mission mantra of fusing Hi-Fi heritage with contemporary design. LX MKII is beautifully finished in a choice of walnut pearl, and the latest Lux Black and Lux White matte finishes.
LX MKII is the epitome of affordable high-end audio, harnessing materials, techniques and technologies that you would only expect to find in other speakers costing many times the price
Whatever your choice of music, LX MKII will reproduce it with outstanding accuracy, detailing and realism, embodying Mission’s traditional adage since the 1970s
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The LX-4 MKII impresses with a bold, controlled presentation and a seamless midrange that makes vocals and orchestral scale sing, while delivering large-scale authority from a compact floorstander. Its refinement and solid fit-and-finish give it wide compatibility, though What Hi-Fi? notes it favours safety over sparkle — still a compelling, well-built value performer.
Pros
- Seamless, insightful midrange that captures vocals with clarity and coherence.
- Controlled, fast and responsive delivery with pleasing punch and agility for the class.
- Delivers a large-scale, authoritative soundstage and well-organised detail uncommon in compact towers.
- Solid build quality and neat finishes — clearly well assembled for the price point.
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Cons
- Sound is voiced conservatively and can lack sparkle or exuberant low-level dynamics.
- Bass is placement-sensitive and can become excessive near boundaries; using port plugs reduces bass but harms midrange fluidity.
Sound Quality
89/100
Bass
88/100
Dual 5" woofers in a 29L bass-reflex cabinet give authoritative bass for the size, but reviewers note placement sensitivity and boom near boundaries. Port plugs reduce output but harm midrange fluidity, indicating good extension/control but some tuning compromises.
Mid
90/100
Reviewers praise a seamless, insightful midrange that captures vocals well, with coherent crossover work. Slight loss of natural warmth when taming bass was noted, but overall timbre and vocal presence are strengths.
Treble
87/100
Voiced to be sonically forgiving with a smoother, less obvious top end than prior models. Good refinement and lack of harshness, though some sparkle/air is intentionally restrained.
Soundstage Imaging
90/100
Capable of large-scale, authoritative presentation (Beethoven's Fifth example) with coherent detail and well-organised layers. Imaging and scale punch above the speaker's compact footprint.
Dynamics
88/100
Fast, responsive and controlled with pleasing punch and agility for the class. Reviewers wished for more expressive low-level dynamics and exuberance, so headroom/expressiveness are good but not thrilling.
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Build Quality
92/100
Solid construction and attention to assembly are evident; three attractive finishes offered. Reviewers report immediately obvious care in build and fit for the price.
Features Connectivity
80/100
Passive tower — passive baseline applied.
Value for Money
92/100
At ~£399 (retailer price cited), reviewers call the LX-4 MKII a solid buy given its performance and build, implying strong value for money at this price point.
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