MartinLogan Motion 2i vs. MartinLogan Motion 4i

MartinLogan Motion 2i Bookshelf Speakers MartinLogan Motion 4i Bookshelf Speakers
$200 $250
Dimensions (H × W × D)
10.00” × 4.70” × 4.60”
254mm × 119mm × 117mm
12.60” × 5.60” × 5.70”
320mm × 142mm × 145mm
Power Type
Passive Passive
Frequency Response
110-23,000 Hz 70-23,000 Hz
ASR Score
n/a 1.5
ASR Score w/Subwoofer
n/a 5.1

Key Takeaways

TLDR Summary: The MartinLogan Motion 2i and 4i are both outstanding bookshelf speakers from a brand synonymous with audiophile-grade sound. The Motion 2i offers a compact form, with a 3.5-inch woofer paired with ML's signature Folded Motion tweeter for superb clarity. Meanwhile, the Motion 4i steps up with a larger cabinet and a 4-inch woofer that delivers a fuller bass response and greater room-filling capacity. Both embody MartinLogan's elegant design and articulate soundstage, but the choice hinges on room size, preferred volume levels, and listener's affinity for bass presence. The 4i's added heft brings a more immersive experience for those with the space.

Speaker Comparison

When it comes to high-fidelity audio, MartinLogan is a name that resonates with clarity, detail, and an immersive listening experience. It's no secret that their Motion series bookshelf speakers have been the object of desire for many audiophiles looking to bring that signature MartinLogan sound into their homes without monopolizing their living space. Today, we take a closer look at two intriguing offerings from the series: the Motion 2i and Motion 4i bookshelf speakers. These compact powerhouses are often compared side by side, and for good reason. They share a lineage that comes with certain expectations in performance, design, and technological innovation.

Design and Build

The first thing that catches the eye with the Motion 2i and Motion 4i is their sleek, modern design. Both speakers exhibit the distinctive MartinLogan aesthetic, combining functionality with elegance. They house their proprietary Folded Motion tweeters, which are known for their rapid response and precise control. The Motion 2i, being the more compact of the two, offers a more unobtrusive profile, which can be particularly appealing for smaller spaces or for those who prefer a more discreet setup. The Motion 4i, on the other hand, while still compact, provides a slightly larger cabinet that hints at its increased sonic capabilities.

MartinLogan Motion 2i Bookshelf Speakers
MartinLogan Motion 2i arrow (at

Sound Characteristics

Now, let's talk sound. The main attraction of these bookshelf speakers is undoubtedly their soundstage and imaging. MartinLogan's Folded Motion tweeter is the star of the show, delivering crisp highs and a detailed upper frequency range. The Motion 2i provides an impressive performance, offering a balanced and nuanced sound that belies its size. It's particularly adept at handling vocal performances and string instruments, presenting them with a clarity that is captivating. The Motion 4i steps up the game with a bit more vigor in the low-end, courtesy of its larger driver and cabinet volume. This added depth doesn't muddy the waters, though; instead, it enriches the overall listening experience.

When it comes to bass response, the distinction becomes more notable. Despite their small stature, the Motion 2i speakers still manage to produce a commendable amount of bass, although they might struggle with the deepest lows, which could leave bass-heavy genres lacking in fullness. In contrast, the Motion 4i has an improved bass presence, thanks to its larger woofer, which can handle more powerful bass lines and kick drums with greater ease and authority.

MartinLogan Motion 4i Bookshelf Speakers
MartinLogan Motion 4i arrow (at

Room Integration and Versatility

Integrating bookshelf speakers into a given space is an art in itself. The MartinLogan Motion 2i, due to its smaller footprint, can be easily placed on a bookshelf or stand without being overbearing. Its sound dispersion is well-suited for smaller rooms where space is at a premium. Alternatively, the Motion 4i's larger dimensions provide a bit more flexibility in terms of placement, and they can fill a larger room with sound more effortlessly. This makes them a versatile choice for both intimate listening sessions and more expansive audio setups.

The versatility of these speakers isn't solely based on size and power handling, though. Both models are compatible with a range of amplifiers and receivers, making them a seamless fit for most existing systems. However, the Motion 4i's slightly higher power handling gives it a bit of an edge if you're looking to pair it with a more robust amplifier and push the volume without compromising sound integrity.

In conclusion, whether you opt for the MartinLogan Motion 2i or the Motion 4i bookshelf speakers depends on your specific needs. The Motion 2i shines in smaller rooms and for listeners who prioritize space-saving designs without sacrificing sound quality. The Motion 4i, with its fuller bass and more commanding presence, is well-suited for larger spaces and those seeking a more powerful and enveloping audio experience. Whichever you choose, both speakers stay true to the MartinLogan pedigree, ensuring a detailed and emotionally engaging listening journey that is sure to satisfy discerning audiophiles.

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MartinLogan Motion 2i Bookshelf Speakers
MartinLogan Motion 2i Bookshelf Speakers
MartinLogan Motion 4i Bookshelf Speakers
MartinLogan Motion 4i Bookshelf Speakers

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Disclaimer: the speaker data listed on this website are correct to the best of our knowledge, but we do not guarantee the accuracy of the data. Please double-check any measurements with the manufacturer before making a final purchasing decision.