MartinLogan Motion 4i vs. Presonus Eris E3.5

MartinLogan Motion 4i Bookshelf Speakers Presonus Eris E3.5 3.5” Near Field Studio Monitor
$250 $100
Dimensions (H × W × D)
12.60” × 5.60” × 5.70”
320mm × 142mm × 145mm
10.24” × 7.00” × 7.68”
260mm × 178mm × 195mm
Power Type
Passive Powered
Frequency Response
70-23,000 Hz 80-20,000 Hz
ASR Score
1.5 1.5
ASR Score w/Subwoofer
5.1 4.3

Key Takeaways

TLDR Summary: In the realm of immersive audio, the MartinLogan Motion 4i bookshelf speakers stand as audacious performers with their signature Folded Motion tweeters, offering an expansive soundscape and nuanced details that delight audiophiles. Conversely, the PreSonus Eris E3.5 studio monitors are compact workhorses, catering to the analytical ear of audio professionals with their balanced delivery and precise imaging. The Motion 4i excels in a dynamic home listening experience, while the Eris E3.5 shines in a near-field studio setting. Both demand consideration, their prowess defined by their intended environments and the discerning ears they serve.

Speaker Comparison

In the realm of sound reproduction, bookshelf speakers occupy a sweet spot between the portability of smaller, personal audio solutions and the presence of larger, floor-standing towers. Today, we delve into the comparison between two distinct offerings in this category: the MartinLogan Motion 4i and the PreSonus Eris E3.5. Though both serve the purpose of delivering sound in a compact form factor, they cater to different ears - the audiophile seeking a refined listening experience with the former, and the budding audio engineer or casual listener with the latter.

Design and Build Quality

The MartinLogan Motion 4i speaks the language of elegance and refinement. Its sleek, piano-black finish and the distinctive folded motion tweeter not only make a statement in terms of aesthetics but also in its commitment to advanced audio technologies. In contrast, the PreSonus Eris E3.5 takes a more utilitarian approach, with a no-nonsense, all-business design. Its compact, dense construction feels robust, designed to withstand the rigors of a studio environment. While both are built well, the Motion 4i is meant to complement your living space's decor, while the Eris E3.5 is built to be a reliable tool for audio production.

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

Sound Quality and Performance

Listening to the MartinLogan Motion 4i is an experience of lush soundscapes and articulate high frequencies, thanks to its Folded Motion Tweeter, a technology that ensures minimal distortion and a lightning-fast response. The bass, while not earth-shattering due to the speaker's size, is tight and precise. The PreSonus Eris E3.5, on the other hand, emphasizes clarity and flat response, a critical attribute for studio monitors. It's designed for accuracy in sound reproduction, making it an excellent choice for mixing and mastering where detail and balance are paramount. However, it might lack the warmth that some listeners prefer for casual listening.

Connectivity and Versatility

The Motion 4i from MartinLogan is straightforward in its connectivity, primarily focusing on delivering high-quality sound from your stereo or home theater system. Meanwhile, the PreSonus Eris E3.5 offers a range of inputs, including TRS and RCA connections, which makes it quite versatile for various audio sources. It even includes convenient front-panel volume control and a headphone amplifier, features that cater to the studio user who needs quick and easy adjustments.

Presonus Eris E3.5 3.5” Near Field Studio Monitor
Presonus Eris E3.5 arrow (at

One must also consider the surround applications when discussing versatility. The MartinLogan Motion 4i, with its timbre-matched Motion series companions, can be integrated into a larger surround setup to create a cohesive and immersive audio experience. The Eris E3.5, while not specifically designed for this purpose, can still fit into a multi-speaker setup, but its true strength lies in its near-field monitoring capabilities.

Value and Investment

When it comes to value, the PreSonus Eris E3.5 punches above its weight class. Its affordability paired with its professional-grade sound makes it an attractive option for those on a budget or just starting in the world of audio production. The MartinLogan Motion 4i, however, represents a different kind of investment. It's a premium audio component that delivers an elevated listening experience that can be appreciated by audiophiles and those with a passion for high-fidelity sound. While it comes at a higher cost, its impeccable performance justifies the price for the discerning listener.

Ultimately, choosing between the MartinLogan Motion 4i and the PreSonus Eris E3.5 boils down to your needs and preferences. If your pursuit is for the finest audio quality for music and movies in your home, the Motion 4i is likely your speaker of choice. For those who require precise audio production capabilities without breaking the bank, the Eris E3.5 is a formidable contender. Both have their place in the audio world and serve their respective audiences with excellence and dedication.

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MartinLogan Motion 4i Bookshelf Speakers
MartinLogan Motion 4i Bookshelf Speakers
Presonus Eris E3.5 3.5” Near Field Studio Monitor
Presonus Eris E3.5 3.5” Near Field Studio Monitor

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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.