MartinLogan Motion 50XTi vs. MartinLogan Motion 8i

MartinLogan Motion 50XTi Center Channel Speaker MartinLogan Motion 8i Center Channel Speaker
$1800 $450
Dimensions (H × W × D)
7.60” × 22.80” × 12.80”
193mm × 579mm × 325mm
5.60” × 22.00” × 5.20”
142mm × 559mm × 132mm
Power Type
Passive Passive
Frequency Response
50-25,000 Hz 70-23,000 Hz

Key Takeaways

TLDR Summary: In the center channel showdown between the MartinLogan Motion 50XTi and the Motion 8i, audiophiles encounter a nuanced battle of finesse and power. The 50XTi commands with its larger cabinet and Folded Motion XT tweeter, delivering dynamic range and detailed highs, tailored for larger spaces and discerning ears craving cinematic veracity. Conversely, the Motion 8i offers a compact form factor with a dexterous Folded Motion tweeter, ensuring crystal-clear dialogues and an unobtrusive presence, suited for smaller setups or multi-use environments. Each excels within its intended domain, the choice hinging on spatial considerations and acoustic ambitions.

Speaker Comparison

If you're in the market for a center channel speaker that can serve as the anchor of your home theater's soundstage, MartinLogan offers some excellent options. Today, we'll delve into the characteristics of the MartinLogan Motion 50XTi and the Motion 8i. Both are highly regarded in the audiophile community for their sound quality and build, but they cater to different needs and preferences.

The Heart of the Home Theater

Center channel speakers are pivotal in any home theater setup. They handle a significant portion of the dialogue and front-stage action, making it critical to choose a speaker that delivers clear and precise audio. The MartinLogan Motion 50XTi and Motion 8i both strive to meet this demand, leveraging the company's renowned Folded Motion tweeter technology, which offers a lightning-fast response time and a broad sound dispersion.

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

Design and Build Quality

The Motion 50XTi boasts a larger cabinet and sturdier construction, exuding a sense of robustness and premium build quality. It's designed to complement larger rooms and more comprehensive home theater systems, both in terms of aesthetics and acoustic performance. The Motion 8i, on the other hand, offers a more compact form factor, making it a suitable choice for those with space constraints or a preference for minimalist setups. Despite its smaller size, the Motion 8i doesn't compromise on the trademark MartinLogan sound quality.

Acoustic Performance

When it comes to acoustic performance, the Motion 50XTi is a powerhouse. It's equipped with dual 6.5-inch aluminum cone woofers that deliver deep and impactful bass, ensuring movie soundtracks are rendered with the gravity they deserve. The midrange is articulate and nuanced, a testament to the detailed engineering that has gone into this speaker. The Motion 8i, with its dual 4-inch poly cone woofers, offers a more restrained bass response, which is well suited for smaller rooms or systems where a subwoofer takes on the low-frequency heavy lifting.

MartinLogan Motion 8i Center Channel Speaker
MartinLogan Motion 8i arrow (at

Both speakers feature the Folded Motion tweeter, a MartinLogan signature that provides an airy and extended high-frequency response. This tweeter design minimizes distortion and offers a detailed top-end that can make dialogues sparkle and high-frequency effects truly shimmer. The difference lies in how these speakers manage the transition from the mids to the highs—the 50XTi tends to offer a smoother blend, thanks to its larger drivers and more substantial cabinet volume.

Integration and Versatility

Integrating your center channel with the rest of your home theater setup is crucial for a cohesive soundstage. The Motion 50XTi's larger footprint and more pronounced sound may require careful pairing with complementary speakers to achieve a balanced sound. In contrast, the Motion 8i's more compact dimension and balanced output make it an easier fit in a broader range of systems, especially where space or budget is a consideration.

In conclusion, the choice between the MartinLogan Motion 50XTi and Motion 8i centers on your specific needs. If you're assembling a high-end home theater in a spacious environment and demand commanding performance, the 50XTi is an exceptional choice. For those who prioritize space efficiency or have a modestly-sized room, the 8i offers the core MartinLogan experience without overwhelming your space or your system. Both are solid investments for the discerning audiophile looking to anchor their home theater audio with clarity and precision.

Check Current Prices:

MartinLogan Motion 50XTi Center Channel Speaker
MartinLogan Motion 50XTi Center Channel Speaker
MartinLogan Motion 8i Center Channel Speaker
MartinLogan Motion 8i 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.