MartinLogan Motion 4i vs. Triangle Borea BR03

MartinLogan Motion 4i Bookshelf Speakers Triangle Borea BR03 Bookshelf Speakers
$250 $630
Dimensions (H × W × D)
12.60” × 5.60” × 5.70”
320mm × 142mm × 145mm
14.96” × 8.11” × 12.36”
380mm × 206mm × 314mm
Power Type
Passive Passive
Frequency Response
70-23,000 Hz 46-22,000 Hz
ASR Score
1.5 4.2
ASR Score w/Subwoofer
5.1 6.5

Key Takeaways

TLDR Summary: In the arena of high-fidelity sound, MartinLogan's Motion 4i and Triangle's Borea BR03 present audiophiles with a compelling choice. The Motion 4i dazzles with its precise electrostatic-like high frequencies, courtesy of the Folded Motion tweeter, and offers a sleek, room-friendly design. Contrastingly, the Borea BR03 brings a rich, warm sound profile with a larger physical footprint, indicative of its traditional dynamic driver approach. Preference hinges on whether one values the Motion 4i's articulate soundstage and clarity or the BR03's full-bodied tonality and musical warmth, each speaker championing its unique path to acoustic excellence.

Speaker Comparison

Welcome to the world of high-fidelity sound where bookshelf speakers take up the mantle of delivering a full-range audio experience in a compact form. Today, we're comparing two noteworthy contenders in the realm of premium bookshelf speakers – the MartinLogan Motion 4i and the Triangle Borea BR03. Both have garnered attention for their exceptional performance, but how do they stack up against each other? Let's dive into their distinct characteristics and see which might be the best fit for your sonic preferences.

Design and Build Quality

The MartinLogan Motion 4i speakers boast a sleek, modern design that exudes elegance. With their distinctive folded motion tweeters, the Motion 4i speakers not only have an aesthetic edge but also a functional one. The build quality is top-notch, featuring a solid cabinet construction that aids in delivering uncolored sound. On the other hand, the Triangle Borea BR03 speakers carry a more traditional European flair with rounded corners and a wood finish that radiates warmth and sophistication. The build is robust, ensuring that the speakers will not only sound great but also last for years to come.

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

Sound Quality: Highs and Mids

When it comes to the high-frequency response, the MartinLogan Motion 4i's folded motion tweeters offer an incredibly detailed and crisp sound. They manage to reproduce the high notes with a level of clarity and precision that is truly impressive, without ever straying into harshness. Midrange is articulate and present, ensuring vocals and instruments are rendered with lifelike accuracy. In contrast, the Triangle Borea BR03 speakers deliver a slightly warmer sound in the highs, which some listeners may prefer for long listening sessions. Their silk dome tweeter smoothens the treble, while the mids are full-bodied and rich, offering a very natural and inviting soundstage.

Bass Response

Discussing the lower end of the frequency spectrum, the MartinLogan Motion 4i speakers, despite their compact size, manage to deliver a respectable bass response that is tight and controlled. They won't shake the room like large floorstanders, but for their size, the performance is commendable. Meanwhile, the Triangle Borea BR03 speakers have a slight advantage in the bass department, thanks to their larger drivers and well-tuned ports. The BR03's produce a more pronounced and impactful bass, which will be appreciated by those who enjoy a bit more weight and depth in their music.

Triangle Borea BR03 Bookshelf Speakers
Triangle Borea BR03 arrow (at

It's not just the frequency extremes that tell the whole story, however. How the speakers handle the integration of these frequencies is equally important. The MartinLogan Motion 4i does an excellent job of blending the highs, mids, and lows into a cohesive and seamless whole. The Triangle Borea BR03, while it may not integrate the frequencies with the same finesse, still provides a smooth and harmonious overall sound that is very musical and engaging.

Room Suitability and Placement

Bookshelf speakers are inherently more versatile when it comes to room placement, but they still have their preferences. The MartinLogan Motion 4i speakers are relatively forgiving in terms of placement and can perform well in various room sizes. Their sound dispersion is excellent, thanks to the folded motion tweeter design. The Triangle Borea BR03 speakers, with their larger bass drivers, might require a bit more breathing room to fully express their sound capabilities, especially in the low end. They also benefit from being placed a bit away from rear walls to minimize bass reinforcement and to maintain clarity.

Ultimately, the choice between the MartinLogan Motion 4i and the Triangle Borea BR03 bookshelf speakers comes down to personal taste and the specifics of your listening environment. The Motion 4i's deliver a detailed and precise sound with excellent dispersion, while the BR03's offer a warmer and more powerful bass response. Considering the nuances of each speaker's performance will ensure you make the right choice for your auditory pleasure and the characteristics of your listening space.

Check Current Prices:

MartinLogan Motion 4i Bookshelf Speakers
MartinLogan Motion 4i Bookshelf Speakers
Triangle Borea BR03 Bookshelf Speakers
Triangle Borea BR03 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.