MartinLogan Motion 40i vs. Triangle Borea BR03

MartinLogan Motion 40i Tower Speaker Triangle Borea BR03 Bookshelf Speakers
$2600 $630
Dimensions (H × W × D)
42.50” × 7.60” × 12.80”
1080mm × 193mm × 325mm
14.96” × 8.11” × 12.36”
380mm × 206mm × 314mm
Power Type
Passive Passive
Frequency Response
40-25,000 Hz 46-22,000 Hz
ASR Score
n/a 4.2
ASR Score w/Subwoofer
n/a 6.5

Key Takeaways

TLDR Summary: In the realm of hi-fi audio, the MartinLogan Motion 40i and Triangle Borea BR03 represent two approaches to immersive sound—tower versus bookshelf. The Motion 40i, standing tall, boasts MartinLogan's signature electrostatic-like soundstage with its Folded Motion tweeter, offering room-filling bass and precise imaging. Conversely, the Borea BR03, a compact marvel, delivers astonishing clarity and a balanced profile, with a silk dome tweeter ensuring detailed highs. While the 40i excels in depth and dynamics, the BR03's strength lies in its versatility and spatial efficiency. Choosing between them hinges on space, preference for bass presence, and listening habits.

Speaker Comparison

When it comes to high-fidelity audio, speakers are often the most critical component in a listener's quest for the perfect sound. They are the final interpreters of all that electronic processing that has come before them, from the whispers of vinyl grooves to the binary precision of digital files. Among the myriad choices for audio enthusiasts, the MartinLogan Motion 40i tower speakers and the Triangle Borea BR03 bookshelf speakers stand out as exceptional in their respective categories, offering distinctive takes on sound reproduction that are both compelling and richly deserving of attention.

Anatomy of Sound: Design and Build

The MartinLogan Motion 40i, a tower speaker, boasts a sleek, modern design with a unique appeal that comes from its signature Folded Motion tweeter. This feature promises to deliver crisp highs with a speed and accuracy that few traditional tweeters can match. In contrast, the Triangle Borea BR03, being bookshelf speakers, presents a more classic approach – compact yet robust with a silk dome tweeter that offers a smooth and extended high-frequency range. The build quality of both speakers reflects the manufacturers' commitment to both aesthetics and performance, with the MartinLogan imparting a more avant-garde presence, while the Triangle exudes timeless craftsmanship.

MartinLogan Motion 40i Tower Speaker
MartinLogan Motion 40i arrow (at

Scaling the Sonic Landscape

When it comes to soundstage, the Motion 40i, with its larger footprint, naturally has an edge in presenting a more expansive audio canvas. The sound seems to emanate from a point beyond the physical limitations of the speakers themselves, creating an immersive listening experience that can fill a room with ease. The Borea BR03, on the other hand, offers a more intimate portrayal of music. The soundstage is certainly respectable for its size, but it is by nature more contained, which could be a boon in smaller rooms or for those seeking a more concentrated listening sweet spot.

Character and Clarity

Delving into the character of the sound, the Motion 40i's deliver a lively and engaging performance. The bass is robust and well-defined, thanks in part to the larger cabinet and dedicated low-frequency drivers. Mids are clear and articulate, allowing vocals and instruments to soar with a palpable presence. The Triangle Borea BR03, while more limited in bass extension due to its smaller size, still manages to punch above its weight class, producing tight and nimble bass that complements its detailed midrange. Both sets of speakers exhibit an admirable clarity, but the MartinLogan may offer a touch more excitement in dynamic passages.

Triangle Borea BR03 Bookshelf Speakers
Triangle Borea BR03 arrow (at

In terms of overall sound quality, the Motion 40i towers are hard to beat. They provide a full-range experience that can handle the nuances of complex musical arrangements and the demands of blockbuster movie soundtracks with equal aplomb. The Borea BR03, while not as full-spectrum in its delivery, counters with a coherence and balance that makes for a highly enjoyable and musical performance, especially when paired with the right amplifier.

Aesthetically, choosing between these two speakers may come down to personal taste and the logistics of room size. The MartinLogan Motion 40i, being a floor-standing speaker, requires a bit more space and dominates its environment as a focal point. The Triangle Borea BR03, more discreet in stature, can integrate seamlessly into a variety of spaces without overshadowing the decor.

Ultimately, the decision between the MartinLogan Motion 40i and the Triangle Borea BR03 may hinge on the listener's space, sonic preferences, and listening habits. The Motion 40i is the go-to option for those with ample room and a taste for powerful, room-filling sound, whereas the Borea BR03 is perfect for audiophiles with limited space or a preference for a speaker that offers a strong performance in a compact package. Whatever the choice, both speakers stand as testaments to the fact that when it comes to high-quality audio, the journey to the perfect sonic experience is as varied as the listeners themselves.

Check Current Prices:

MartinLogan Motion 40i Tower Speaker
MartinLogan Motion 40i Tower Speaker
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.