MartinLogan Motion 2i vs. Monoprice Monolith THX-265B

MartinLogan Motion 2i Bookshelf Speakers Monoprice Monolith THX-265B Bookshelf Speakers
$200 $800
Dimensions (H × W × D)
10.00” × 4.70” × 4.60”
254mm × 119mm × 117mm
15.40” × 9.70” × 11.40”
391mm × 246mm × 290mm
Power Type
Passive Passive
Frequency Response
110-23,000 Hz 65-24,000 Hz

Key Takeaways

TLDR Summary: In the realm of compact audiophile experience, the MartinLogan Motion 2i speakers boast an exquisite high-end air with their Folded Motion tweeters, delivering a crisp, detailed soundstage. They're an aesthetic and acoustic fit for the discerning ear, favoring clarity and precision. In contrast, the Monoprice Monolith THX-265B speakers carry the THX certification, placing a strong emphasis on cinema-grade performance and robust construction. With a more aggressive price point, they offer an enticing value proposition, promising an immersive, room-filling presence. Choice between the two hinges on priority: Motion 2i's nuanced musicality or THX-265B's heft and home theater prowess.

Speaker Comparison

There's something profoundly intimate about the bookshelf speaker experience. These compact powerhouses bring the concert to your living space without demanding center stage in your room decor. Today, we're going to put two noteworthy contenders head-to-head: the MartinLogan Motion 2i and the Monoprice Monolith THX-265B. Each of these brings a unique palette of sound to the table, but how do they stack up against each other?

Design Philosophy

The MartinLogan Motion 2i speakers exude a refined elegance, with their sleek, rounded edges and the signature perforated steel grille. They're designed not just for performance but also to blend seamlessly into a modern living space. MartinLogan is noted for their electrostatic speaker heritage, and elements of that high design aesthetic filter down even into their more traditional drivers.

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

In contrast, the Monoprice Monolith THX-265B has a no-nonsense, utilitarian design that's clearly focused on function over form. The Monolith series is THX-certified, meaning these speakers have gone through rigorous testing to meet high standards for sound reproduction. The black oak vinyl finish is tasteful, though the visual presentation is more about solidity, potentially making it a touch more imposing in a domestic setting.

Sound Profile

For audiophiles, it always comes down to sound quality, and the MartinLogan Motion 2i does not disappoint. The Motion 2i speakers feature a Folded Motion tweeter, which provides a lightning-fast response with minimal distortion. It's this transducer that affords the Motion 2i a detailed and highly articulate upper register, ideal for those who revel in crisp, clean highs and lush midranges.

The Monoprice Monolith THX-265B, on the other hand, offers a sound that is both authoritative and controlled. Thanks to its THX certification, you can expect a sound that meets the high standards for movie theater audio systems. The bass response is tight and punchy, while the midrange is clear and present. This makes the Monolith speakers particularly well-suited for movies and gaming, as well as for music listening.

Performance in Various Spaces

In terms of adaptability, the MartinLogan Motion 2i speakers are quite forgiving regardless of room size. Their sound dispersion is excellent, in part due to the Folded Motion tweeter's broad soundstage. This means you'll get a consistent listening experience whether you're positioned directly in the 'sweet spot' or off to the side. They're also relatively easy to drive, meaning they'll pair well with a wide range of amplifiers and receivers.

The Monoprice Monolith THX-265B, with its more directive sound, may require more thought in placement to achieve the optimal audio experience. They shine in a dedicated listening environment where seating and speaker positions can be carefully calibrated. However, once properly set up, they're capable of delivering a truly immersive sound field that's not just heard, but felt.

Ultimately, choosing between the MartinLogan Motion 2i and the Monoprice Monolith THX-265B speakers will depend on your personal audio priorities and your living space. The Motion 2i's grace and detailed performance are a match made in heaven for those seeking an audiophile experience without overwhelming their decor. Meanwhile, the Monoprice Monolith THX-265B's focus on power and precision may appeal more to those looking to recreate a cinema or concert experience at home. Whichever you choose, your ears are in for a treat.

Check Current Prices:

MartinLogan Motion 2i Bookshelf Speakers
MartinLogan Motion 2i Bookshelf Speakers
Monoprice Monolith THX-265B Bookshelf Speakers
Monoprice Monolith THX-265B 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.