Dayton Audio MK402BTX vs. NHT SuperZero 2.1

Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers NHT SuperZero 2.1 Mini-Monitor Speaker
$150 $300
Dimensions (H × W × D)
9.50” × 5.75” × 6.63”
241mm × 146mm × 168mm
9.00” × 5.50” × 5.00”
229mm × 140mm × 127mm
Power Type
Powered Passive
Frequency Response
60-20,000 Hz 85-20,000 Hz
ASR Score
3.7 3.4
ASR Score w/Subwoofer
6.1 6.7

Key Takeaways

TLDR Summary: The Dayton Audio MK402BTX pairs affordability with Bluetooth convenience, offering a compact design and a surprising soundstage for the price. Its built-in amplifier simplifies setup, while its sound signature is warm and inviting. In contrast, the passive NHT SuperZero 2.1 Mini-Monitor demands an external amp but rewards with audiophile cred—boasting a neutral sound profile, exceptional clarity, and precision, albeit with less bass heft than the Daytons. The NHT's are for purists favoring accuracy over features, while the Dayton's appeal to those seeking an all-in-one, feature-rich solution for casual listening.

Speaker Comparison

When it comes to budget-friendly audio solutions that punch well above their weight, the Dayton Audio MK402BTX and the NHT SuperZero 2.1 are both formidable contenders that entice the cost-conscious audiophile. The MK402BTX is a Bluetooth-enabled bookshelf speaker that simplifies the listening experience by eliminating the need for separate components. Conversely, the SuperZero 2.1 is a pure passive speaker that calls for the accompaniment of an amplifier. However, the philosophy behind both speakers is quite similar: deliver exceptional sound quality without breaking the bank.

Connectivity and Convenience

Dayton Audio's MK402BTX offers a distinct advantage in the realm of connectivity. With Bluetooth functionality built right in, these speakers appeal to a modern audience looking for a plug-and-play experience. Streaming from a smartphone or tablet becomes a breeze, and the lack of wires fosters a minimalist, uncluttered environment. The NHT SuperZero 2.1, on the other hand, requires a traditional wired setup, which can be a barrier for those seeking immediate gratification or a wireless aesthetic. However, for the die-hard audiophile, the wired connection is often synonymous with a purer signal path and potentially higher sound quality.

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

Build and Design

In terms of build quality, both the Dayton Audio MK402BTX and the NHT SuperZero 2.1 exude a sense of durability and attention to detail that is uncommon in their price bracket. The MK402BTX sports a sleek, black vinyl finish that is both modern and understated, allowing it to blend seamlessly into most decor. The NHT SuperZero 2.1 opts for a more traditional look with its high-gloss black finish, which is both elegant and timeless. While the design approach differs, both speakers are compact enough to fit comfortably on a bookshelf, desk, or speaker stands, making them versatile choices for various room sizes and configurations.

Sound Quality

When it comes to sonic performance, the Dayton Audio MK402BTX is a surprise powerhouse, delivering a full-bodied sound with commendable bass response for its size, thanks to its 4-inch woofer. The highs are clear and the midrange is present, though it does cater more to those who prefer a warmer sound signature. In contrast, the NHT SuperZero 2.1 is known for its neutral sound profile, offering a more balanced and accurate representation of music. The SuperZero's custom-designed 4.5-inch woofer and 1-inch silk dome tweeter ensure a more refined and detailed sound, arguably making them the better choice for critical listening sessions.

NHT SuperZero 2.1 Mini-Monitor Speaker
NHT SuperZero 2.1 arrow (at

One of the stark differences between the two is how they handle the lower frequencies. The MK402BTX has a ported design which allows for some low-end reinforcement, making them quite satisfying for casual listening without a subwoofer. The SuperZero 2.1, being a sealed design, tends to roll off sooner in the bass department. This characteristic makes them less suitable for bass-heavy genres but can be a blessing for those who are adding a subwoofer to their setup, as it leads to cleaner integration with the subwoofer's low-frequency output.

For those who value spatial representation and soundstage, the NHT SuperZero 2.1 is a clear winner. Its ability to project a wide and immersive soundstage with precise imaging makes it a darling for audiophiles who enjoy dissecting the layers of their music. The MK402BTX, while no slouch in this department, offers a more intimate soundstage that is well-suited for near-field listening, such as at a computer desk or in a small room.

In conclusion, the Dayton Audio MK402BTX and the NHT SuperZero 2.1 cater to different segments of the budget-conscious audiophile market. The MK402BTX is an excellent all-in-one solution for those seeking convenience, solid performance, and Bluetooth connectivity. The NHT SuperZero 2.1 shines as a compact audiophile speaker that demands respect for its sound quality and precision. Regardless of the choice, both speakers embody the spirit of high-value audio, ensuring that even the most discerning ears can find happiness without a hefty investment.

Check Current Prices:

Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers
Dayton Audio MK402BTX Powered Bluetooth Bookshelf Speakers
NHT SuperZero 2.1 Mini-Monitor Speaker
NHT SuperZero 2.1 Mini-Monitor 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.