Alesis Monitor One

4.0 (2)

1 Critic Review

1 Review

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Alesis Monitor One MK2 Passive

$125.00

4.5 (13)

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Page last updated Jun 25, 2026

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Description

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Designed for both aspiring and professional audio engineers, the Alesis Monitor One provides a reliable and accurate listening experience in your studio. Whether you're crafting your next hit or mixing a complex track, these passive studio monitors deliver exceptional clarity and detail, ensuring every sound is faithfully reproduced. The Alesis Monitor One is built with a custom-designed 6.5-inch woofer and a 1-inch silk-dome tweeter that work in harmony to offer a balanced frequency response. This combination allows for precise sound imaging, ideal for critical listening environments. The cabinets are constructed with a dense, acoustically neutral material to minimize resonance and optimize sound quality.

The monitors are compatible with a wide range of amplification systems, making them a versatile addition to any studio setup. With the Alesis Monitor One, you can trust that what you hear is a true representation of your mix. Perfect for home studios, professional studios, or as an upgrade to your current setup, these monitors stand as a testament to Alesis's commitment to high-quality audio equipment.

Key Features:

Passive studio monitors with custom-designed 6.5-inch woofer and 1-inch silk-dome tweeter
Balanced frequency response for accurate sound reproduction
Compatible with a variety of amplification systems
Acoustically neutral cabinet construction to minimize resonance
Ideal for both home and professional studio environments

Product specs

Brand	Alesis
Model	Monitor One Passive Studio Monitors (Pair)
Finish	Black
Year	1990s
Categories	Studio Monitors

FAQs

What type of amplifier is recommended for use with the Alesis Monitor One passive studio monitors?: The Alesis Monitor One passive studio monitors require an external amplifier with a power rating that matches their 120-watt continuous power handling capability for optimal performance.
Are the Alesis Monitor One studio monitors suitable for mixing and mastering?: Yes, the Alesis Monitor One studio monitors are designed for accurate sound reproduction, making them suitable for mixing and mastering in a studio environment.
What is the frequency response of the Alesis Monitor One passive studio monitors?: The Alesis Monitor One passive studio monitors have a flat frequency response, which is ideal for critical listening and audio production tasks.
Do the Alesis Monitor One studio monitors require a subwoofer for full-range sound?: While the Alesis Monitor One studio monitors provide a balanced sound, adding a subwoofer can enhance low-frequency reproduction for a more comprehensive audio experience.
Are Alesis Monitor One studio monitors compatible with home audio systems?: Yes, the Alesis Monitor One studio monitors can be integrated into home audio systems, provided they are connected to a suitable external amplifier.

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Alesis Monitor One.

Features and functionality

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Designed for horizontal use but many prefer them upright; toed-in positioning enhances phase alignment and sound quality.
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Use cases and applications

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Ideal as near-field monitors for computer setups; perform well with hi-res files and casual listening.
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The Alesis Monitor One has been praised for its clarity and detail when used in dance music production, making it a favorite among producers from the '90s and '00s.
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Owners find the Alesis Monitor One mk2 effective for both home studio and stereo/TV setups, emphasizing its versatility across different listening environments.
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User experience

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Owners appreciate their tight bass and warmth; caution advised with delicate tweeters.
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Users note that pairing the Alesis Monitor One with a Polk subwoofer enhances the overall sound experience, providing a fuller audio range.
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Comparisons

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Compared favorably to high-end Kef speakers when considering passive versions for high-frequency response.
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Some users have had better longevity with passive Alesis models compared to active versions, as active models may suffer from power supply issues over time.
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Alesis Monitor One mk2 offers better separation and balance across the frequency range than the Klipsch RP600M, with no muddiness in bass or mid-bass.
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Build quality

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Owners report that the Alesis Monitor One speakers can last over 20 years with minimal wear, highlighting their durable construction.
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Setup and maintenance

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It's recommended to use isolation pads or decouplers to improve sound quality and reduce desk vibrations.
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Value and pricing

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Second-hand Alesis Monitor One mk2 units are available for under $200, making them a budget-friendly option for quality sound.
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Other

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Roger Nichols, known for engineering Steely Dan's albums, recommended the Alesis Monitor One, highlighting its professional endorsement and historical significance.
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Critic Reviews

Alesis Monitor One

soundonsound.com

The Alesis Monitor One speakers deliver impressive nearfield performance with a balanced and accurate sound profile, ideal for various music genres. Despite their compact size, they offer powerful bass and commendable stereo imaging, thanks in part to a smartly designed rear port. While they may not match the resolution of higher-end models like the ATC SM20s, their affordability and reliability in mix translation make them stand out in their price range. With user-friendly design touches and robust construction, the Monitor Ones are a solid choice for budget-conscious musicians and producers seeking dependable studio monitors.

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4.0 out of 5

Based on 1 Review and 2 Ratings

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mkltesthead

140

over 6 years ago

Long time friends, gets the job done

First off, these require an external power amp. Second, they are 27 years old. If you are buying new, there are so many other options out there. Still, I have a soft spot for these after all these years and I just like the way they sound. I am in the market for a new set of monitors but I will definitely keep these as an A/B comparison.