Dayton Audio MK402BTX vs. MartinLogan Motion 15i

Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers MartinLogan Motion 15i Bookshelf Speaker
$150 $900
Dimensions (H × W × D)
9.50” × 5.75” × 6.63”
241mm × 146mm × 168mm
11.40” × 6.80” × 9.50”
290mm × 173mm × 241mm
Power Type
Powered Passive
Frequency Response
60-20,000 Hz 60-25,000 Hz
ASR Score
3.7 n/a
ASR Score w/Subwoofer
6.1 n/a

Key Takeaways

TLDR Summary: In the realm of bookshelf speakers, the Dayton Audio MK402BTX offers a budget-friendly entry with Bluetooth convenience, punching above its weight in terms of value. Its sound clarity and dynamic range are noteworthy, but audiophile purists may find its limitations evident at higher volumes. Conversely, the MartinLogan Motion 15i, a premium offering, boasts exquisite build quality and refined audio performance. Its Folded Motion tweeter delivers exceptional high-frequency detail, and the overall soundstage is expansive with delicate nuances. For the discerning listener willing to invest, the Motion 15i's auditory experience surpasses the MK402BTX's competent but modest capabilities.

Speaker Comparison

When comparing the Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers to the MartinLogan Motion 15i Bookshelf Speakers, one immediately notices the stark contrast in their design philosophies and audio performance. The MK402BTX, an accessible entry into the realm of wireless audio, presents itself as an attractive proposition for the casual listener or the budget-conscious audio enthusiast. On the other hand, the Motion 15i by MartinLogan is a high-fidelity instrument crafted for those who seek refinement and detail in their acoustic experiences.

Connectivity and Convenience

The Dayton Audio MK402BTX speakers offer Bluetooth connectivity, making them a breeze to integrate with modern smartphones, tablets, and computers. This built-in wireless feature adds a layer of user-friendliness that is absent in the MartinLogan Motion 15i, which adheres to a more traditional wired setup. For listeners who prioritize convenience and ease of use, the MK402BTX may be the more appealing choice.

Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers
Dayton Audio MK402BTX arrow (at

Sound Quality and Performance

The MartinLogan Motion 15i, however, stands its ground firmly in terms of sound quality. It boasts the brand's renowned Folded Motion tweeter, which delivers an astonishingly clear and detailed high-frequency response. The purity and precision of the Motion 15i's tweeter contrast with the more modest performance of the MK402BTX's tweeter, which, while competent, doesn't quite reach the same heights in terms of clarity and sonic accuracy.

Furthermore, when it comes to midrange and bass reproduction, the MartinLogan Motion 15i demonstrates a level of depth and nuance that the MK402BTX struggles to match. The Motion 15i's cabinet design and superior drivers ensure a fuller, richer sound profile, which is particularly evident in complex musical passages or when listening at higher volumes. The MK402BTX, with its smaller form factor and simpler design, delivers respectable performance but within its limits.

MartinLogan Motion 15i Bookshelf Speaker
MartinLogan Motion 15i arrow (at

Build Quality and Aesthetics

From a build quality and aesthetic perspective, each speaker reflects its brand's values and target audience. The MartinLogan Motion 15i exudes a premium vibe, with meticulous attention to detail and a visually striking design that begs to be showcased. Its high-quality finishes and materials are a testament to its higher price point. The Dayton Audio MK402BTX, while pleasing in its own right, has a more utilitarian appearance and is built to meet a price point that is accessible to a wider range of consumers.

It's also worth noting the difference in size and footprint between the two models. The Motion 15i is a larger bookshelf speaker, which may require more space but also contributes to its superior soundstage. The MK402BTX's smaller size is ideal for tighter spaces or desktop setups, offering a good balance between performance and compactness.

In conclusion, the choice between the Dayton Audio MK402BTX and the MartinLogan Motion 15i ultimately depends on the listener's priorities. If wireless functionality and value are at the top of the list, the MK402BTX is a commendable option. However, for audiophiles who prioritize supreme sound quality and are willing to invest in a high-end audio experience, the MartinLogan Motion 15i is a clear standout. Each speaker serves its purpose well within its respective niche, catering to different segments of the audio market.

Check Current Prices:

Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers
Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers
MartinLogan Motion 15i Bookshelf Speaker
MartinLogan Motion 15i Bookshelf 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.