MartinLogan Motion 15i vs. MartinLogan Motion 2i

MartinLogan Motion 15i Bookshelf Speaker MartinLogan Motion 2i Bookshelf Speakers
$900 $200
Dimensions (H × W × D)
11.40” × 6.80” × 9.50”
290mm × 173mm × 241mm
10.00” × 4.70” × 4.60”
254mm × 119mm × 117mm
Power Type
Passive Passive
Frequency Response
60-25,000 Hz 110-23,000 Hz

Key Takeaways

TLDR Summary: In comparing the MartinLogan Motion 15i and the Motion 2i bookshelf speakers, audiophiles will note the 15i's superior performance, attributed to a larger Folded Motion tweeter and 5.25-inch aluminum cone woofer, delivering richer, more expansive sound. Conversely, the compact Motion 2i features a smaller Folded Motion tweeter paired with a 3.5-inch poly cone woofer, offering a more space-conscious solution with the signature MartinLogan clarity and detail. The 15i excels in larger spaces, while the 2i is ideal for intimate settings. Both exemplify MartinLogan's commitment to sonic excellence, with the choice ultimately hinging on room size and listener preference.

Speaker Comparison

When it comes to sculpting sound with precision and passion, few audio artisans can match the prowess of MartinLogan. The brand's dedication to sonic excellence shines through in both the Motion 15i and Motion 2i bookshelf speakers, two offerings that epitomize the company's commitment to high-fidelity sound reproduction. While these two speakers share a lineage and design philosophy, they cater to different sets of audiophiles with their unique characteristics and performance capabilities.

Design and Build Quality: Aesthetics Meets Acoustics

The MartinLogan Motion 15i speakers are a testament to the elegance of engineering. Their larger cabinet not only ensures a more substantial presence in your listening room but also contributes to their sonic depth. The Motion 15i's are finished with a luxurious real-wood veneer, giving them a premium look and feel that begs to be placed front and center. In contrast, the Motion 2i speakers, while still maintaining a solid build quality, are more modest in size and finish, designed for those who prefer subtlety and minimalism without compromising on the core MartinLogan aesthetic.

MartinLogan Motion 15i Bookshelf Speaker
MartinLogan Motion 15i arrow (at

The Heart of the Sound: Transducer Technology

At the heart of these speakers lies MartinLogan's transducer technology, which includes the Folded Motion tweeter, a distinctive feature across the Motion series. The Motion 15i boasts a larger Folded Motion tweeter compared to the Motion 2i. This results in a more expansive soundstage and better high-frequency dispersion. Furthermore, the Motion 15i's 5.25-inch aluminum cone woofer also eclipses the Motion 2i's 3.5-inch driver in terms of size, contributing to a richer and more robust bass response. It's these differences in driver composition that create a divergence in their auditory experience.

Performance: Enveloping Soundstage vs. Intimate Precision

Performance-wise, the Motion 15i speakers are a powerhouse, adept at filling a room with detailed and immersive audio. Their larger drivers and more sophisticated crossover networks lend themselves to a sound that is both enveloping and articulate, making them ideal for those who crave a cinematic experience in their music listening. On the other hand, the Motion 2i, with its smaller footprint, offers a more focused and precise soundstage, which can be highly appealing for listeners in smaller spaces or those who prefer a more intimate listening experience.

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

Connectivity and compatibility should not be overlooked when examining these two models. Both the Motion 15i and Motion 2i are versatile enough to integrate seamlessly with a variety of amplifiers and receivers. However, the Motion 15i's might require a bit more power to truly shine, so partnering them with a robust amplifier will unleash their full potential. The Motion 2i's, being less demanding, offer more flexibility with a wider range of amplification, making them a plug-and-play solution for casual listeners and serious audiophiles alike.

When discussing value and investment, it's clear that both speakers represent the high-end segment of the market, but with different value propositions. The Motion 15i's are an investment in room-filling sound and a testament to the audiophile's pursuit of acoustic perfection. Meanwhile, the Motion 2i's are a more accessible entry-point into high-end audio, offering exceptional performance at a more modest price point. The decision between the two ultimately comes down to the listener's space, budget, and the level of audio fidelity they seek.

In conclusion, while the MartinLogan Motion 15i and Motion 2i bookshelf speakers share the foundational principles of the brand's sound philosophy, they cater to different auditory ambitions and environments. The Motion 15i's stand tall as the choice for those seeking a grand and detailed soundstage, while the Motion 2i's shine in delivering precision and clarity in a compact package. Whichever you choose, rest assured that you're getting a piece of MartinLogan's storied legacy of audio excellence—a harmony of design and sound that is unmistakable and unforgettable.

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MartinLogan Motion 15i Bookshelf Speaker
MartinLogan Motion 15i Bookshelf Speaker
MartinLogan Motion 2i Bookshelf Speakers
MartinLogan Motion 2i 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.