Dayton Audio MK402BTX vs. MartinLogan Motion 20i

Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers MartinLogan Motion 20i Tower Speaker
$150 $2000
Dimensions (H × W × D)
9.50” × 5.75” × 6.63”
241mm × 146mm × 168mm
36.60” × 6.80” × 11.70”
930mm × 173mm × 297mm
Power Type
Powered Passive
Frequency Response
60-20,000 Hz 46-25,000 Hz
ASR Score
3.7 n/a
ASR Score w/Subwoofer
6.1 n/a

Key Takeaways

TLDR Summary: In the realm of hi-fi audio, the Dayton Audio MK402BTX offers an affordable entry point into quality sound, packing Bluetooth convenience in a compact bookshelf format. They deliver surprisingly full-bodied sound, but with limitations in resolution and soundstage. On the flip side, the MartinLogan Motion 20i is a premium tower speaker that exudes audiophile-grade detail, depth, and room-filling presence. With exquisite high-end articulation courtesy of its signature Folded Motion tweeter, the Motion 20i is a leap beyond in craftsmanship and performance, targeting discerning ears that crave sonic precision and a captivating listening experience.

Speaker Comparison

Welcome to the world of high-fidelity audio where the quest for the perfect sound drives enthusiasts to explore a diversity of speaker options. In the ring today, we have the compact and budget-friendly Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers going head-to-head with the sleek and statuesque MartinLogan Motion 20i Tower Speakers. Both systems cater to different audiences but share the common goal of delivering an enriching audio experience.

Design and Build Quality

The Dayton Audio MK402BTX speakers boast a modest yet refined design, featuring a black vinyl finish that can seamlessly blend into any room's aesthetic. In contrast, the MartinLogan Motion 20i speakers exude luxury with their elegantly crafted cabinets and the brand's signature perforated steel grille. The Motion 20i, standing tall, is a statement piece that commands attention. Both sets are built with care, but MartinLogan's attention to detail and use of premium materials are evident and set a higher standard in build quality.

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

Sound Performance

When it comes to sound, the Dayton Audio MK402BTX offers a surprisingly robust performance for its size. The built-in amplifier and Bluetooth functionality mean you can stream high-quality audio with ease. However, the MartinLogan Motion 20i's are in another league. The Motion 20i's feature MartinLogan's renowned Folded Motion tweeters, delivering precise and crisp highs, while the dedicated woofers produce deep, articulate bass. The larger cabinet size and sophisticated crossover networks of the Motion 20i allow for a more dynamic and expansive soundstage, providing an immersive listening experience that the MK402BTX can't quite match.

Connectivity and Versatility

The Dayton Audio MK402BTX is a champion of convenience with its Bluetooth capability, allowing for wireless streaming from any compatible device. This feature, along with its compact size, makes the MK402BTX highly versatile and suitable for a variety of settings, from desktops to small living spaces. The MartinLogan Motion 20i, while lacking Bluetooth, offers traditional binding posts that ensure high-quality wired connections and are an audiophile's preference for lossless audio transmission. These tower speakers are designed for a dedicated listening room or to be part of a larger home theater setup.

MartinLogan Motion 20i Tower Speaker
MartinLogan Motion 20i arrow (at

Price and Value Proposition

Price is often the deciding factor for many, and here the Dayton Audio MK402BTX speakers provide an incredible value proposition. They are an excellent entry point into high-fidelity sound without breaking the bank. The MartinLogan Motion 20i, on the other hand, is an investment, reflecting its premium build and acoustic prowess. For the discerning audiophile looking for a long-term audio solution, the Motion 20i's price is justified by its superior performance and aesthetic appeal. It's a clear case of "you get what you pay for" with both options catering to different ends of the market spectrum.

Check Current Prices:

Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers
Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers
MartinLogan Motion 20i Tower Speaker
MartinLogan Motion 20i Tower 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.