MartinLogan Motion 30i vs. MartinLogan Motion 50XTi

MartinLogan Motion 30i Center Channel Speaker MartinLogan Motion 50XTi Center Channel Speaker
$900 $1800
Dimensions (H × W × D)
6.90” × 16.50” × 10.50”
175mm × 419mm × 267mm
7.60” × 22.80” × 12.80”
193mm × 579mm × 325mm
Power Type
Passive Passive
Frequency Response
65-25,000 Hz 50-25,000 Hz

Key Takeaways

TLDR Summary: In the echelons of pristine clarity and sonic precision, the MartinLogan Motion 30i and 50XTi center speakers present audiophiles with a delightful conundrum. The Motion 30i, compact and articulate, delivers exceptional dialog clarity, with its Folded Motion tweeter embracing nuance. The larger 50XTi, however, broadens the horizon with deeper bass and a more dynamic response, its larger cabinet and drivers ensuring a more immersive experience. Both share MartinLogan's exquisite build and soundstage accuracy, yet the choice hinges on the listener's space and the scale of their home cinema aspirations. Choose the 30i for intimate spaces, the 50XTi for grander soundscapes.

Speaker Comparison

When discussing the heart of a home theater system, the center channel deserves a spotlight. MartinLogan's offerings in this category—the Motion 30i and the Motion 50XTi—are two compelling arguments for what high-end audio should be. While both hail from the same pedigreed stable and share a lineage that boasts impeccable sound quality, they cater to different segments of the audiophile market. In this comparison, we'll delve into the nuances that set them apart and help you decide which speaker may be the right centerpiece for your acoustic array.

MartinLogan's Motion Series: A Symphony in Design

The Motion 30i and Motion 50XTi are prime examples of MartinLogan's commitment to aesthetic and acoustic excellence. Both speakers feature the signature Folded Motion tweeter, a hallmark of the brand's innovative approach to high-frequency detail. The tweeters in both models ensure that dialogue is crystal clear and that the higher registers of music are handled with dexterity. The cabinets are meticulously crafted with a modern touch, ensuring that these speakers not only sound exceptional but also add a touch of elegance to any room.

MartinLogan Motion 30i Center Channel Speaker
MartinLogan Motion 30i arrow (at

The Motion 30i: Compact Powerhouse

The MartinLogan Motion 30i is the more compact of the two, designed to seamlessly complement other speakers in MartinLogan's Motion series. Its relatively smaller footprint does not hinder its performance, as it is equipped with two 5.5-inch aluminum cone woofers and a rear-firing bass port that collectively deliver a balanced and robust sound profile. The Motion 30i's sound stage is wide and forgiving, making it a versatile choice for various room sizes and configurations. This is the speaker that brings dialogue to the forefront without demanding the limelight, integrating beautifully with its family of speakers to create a cohesive soundscape.

The Motion 50XTi: Expansive and Authoritative

On the flip side, the Motion 50XTi takes the concept of a center channel to grander heights. With larger cabinet dimensions, it houses two beefier 6.5-inch aluminum cone woofers and a more substantial Folded Motion XT tweeter, which is 40% larger than the one in the Motion 30i. This design choice pays off in delivering a broader dynamic range and an even more detailed high-end response. The Motion 50XTi is a speaker that confidently anchors the audio experience, ensuring that every line of dialogue and every nuance of a soundtrack is presented with an authority that is hard to overlook. It's the choice for those seeking to fill a large space with cinema-grade audio.

MartinLogan Motion 50XTi Center Channel Speaker
MartinLogan Motion 50XTi arrow (at

One might argue that the comparison between the Motion 30i and the Motion 50XTi is not just about size but also about sound philosophy. The Motion 30i represents a speaker that performs above its class, providing an audio experience that belies its more modest stature. The Motion 50XTi, meanwhile, is a no-compromise centerpiece that demands attention and dominates the aural landscape of a home theater.

That being said, the choice between the two often comes down to the practical aspects of one's home theater setup. The Motion 30i is ideal for those with space constraints or who have a smaller listening room. Its performance is more than adequate for most movies and music, and it pairs exceptionally well with other speakers in the Motion series. The Motion 50XTi, however, requires and deserves more room to breathe. Its larger drivers and cabinet volume simply need physical space to unleash their full potential, making it a better match for expansive rooms where its sonic capabilities can be fully appreciated.

In terms of price, the Motion 50XTi sits at a higher tier, and for good reason. Its construction, larger drivers, and superior sound stage command a premium. For the discerning audiophile who prioritizes audio performance above all else, the investment in the Motion 50XTi will be a rewarding one. However, those with budgetary considerations or who are looking to build a more compact system will find the Motion 30i to be an excellent value proposition, delivering that quintessential MartinLogan sound without the larger footprint or price tag.

Conclusively, the MartinLogan Motion 30i and the Motion 50XTi have their unique virtues. The Motion 30i shines as a compact, yet powerful speaker that will surprise you with its full-bodied performance. The Motion 50XTi is the definitive choice for the audiophile seeking to create an immersive, theater-like experience. Regardless of which one you lean towards, both are engineered with the passion and precision that MartinLogan is known for, ensuring that your home theater will resonate with the depth and clarity of world-class sound.

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MartinLogan Motion 30i Center Channel Speaker
MartinLogan Motion 30i Center Channel Speaker
MartinLogan Motion 50XTi Center Channel Speaker
MartinLogan Motion 50XTi Center Channel Speaker

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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.