Sim Audio MOON 220i: A High-Fidelity Marvel


In the world of audio enthusiasts, the pursuit of high-quality sound amplification is a never-ending quest. Whether it’s for enjoying music, watching movies, or immersing oneself in gaming, having a reliable and powerful amplifier is crucial to enhancing the overall audio experience. Today, we delve into the world of hifi sound amplifiers and take a closer look at the Sim Audio MOON 220i amplifier.

The Sim Audio MOON 220i amplifier is a highly regarded piece of audio equipment that promises to deliver exceptional sound quality and performance. With its impressive technical specifications and innovative design, this amplifier aims to elevate your listening experience to new heights.

In this comprehensive review, we will explore the various features, characteristics, and functionalities of the Sim Audio MOON 220i amplifier. From its construction and design to its sound performance and value for money, we will leave no stone unturned in our quest to provide you with an in-depth understanding of this remarkable amplifier.

So sit back, relax, and join us as we embark on this sonic journey with the Sim Audio MOON 220i amplifier. Get ready to be captivated by its prowess in delivering crystal-clear sound reproduction and immerse yourself in an audio experience like no other. Let’s dive right in!

Technical Specifications

The Sim Audio MOON 220i amplifier is a stereo amplifier that offers impressive technical specifications. With a power output of 40 watts per channel at 8 ohms and 80 watts per channel at 4 ohms, this amplifier provides ample power to drive a wide range of speakers.

In terms of sound quality, the MOON 220i boasts a signal-to-noise ratio (SNR) of 101 dB, ensuring a clean and noise-free audio experience. Additionally, the total harmonic distortion (THD) is kept to a minimum, guaranteeing accurate and faithful reproduction of audio signals.

This amplifier features a variety of inputs and outputs to accommodate different audio sources. It includes RCA inputs for connecting analog devices such as CD players or turntables, as well as a headphone output on the front panel for private listening sessions. However, it does not support an internet connection or AirPlay functionality.

The frequency response of the MOON 220i ranges from 10 Hz to 100,000 Hz, allowing for precise reproduction of both low and high-frequency sounds. This wide frequency response ensures that no details are lost in the audio playback. The impedance of the amplifier is not specified in the provided information.

Overall, the technical specifications of the Sim Audio MOON 220i demonstrate its ability to deliver powerful and high-quality audio performance while offering versatile connectivity options for various audio sources.

Design and Construction

The Sim Audio MOON 220i amplifier boasts a sleek and modern design that will complement any audio setup. With its black color and compact dimensions, it easily blends into any home or professional environment. The amplifier is constructed using high-quality materials, ensuring durability and longevity.

One notable design feature of the MOON 220i is its aluminum casing, which not only adds to its aesthetic appeal but also aids in efficient cooling. This helps to maintain optimal operating temperatures, preventing overheating and ensuring reliable performance over extended periods of use. Additionally, the robust construction of the amplifier provides increased rigidity, effectively protecting it from external vibrations that could potentially affect sound quality.

The connectors and switches on the MOON 220i are of exceptional quality. The gold-plated connectors not only enhance the overall appearance but also ensure low resistance for a clean and uninterrupted audio signal transmission. The switches are responsive and sturdy, providing a satisfying tactile feel when adjusting settings.

Overall, the design and construction of the Sim Audio MOON 220i amplifier are top-notch. Its sleek appearance, high-quality materials, efficient cooling system, and reliable connectors and switches all contribute to a well-built and visually appealing amplifier that is built to last.


The Sim Audio MOON 220i amplifier offers a wide range of functionality to cater to different audio sources and preferences. With its versatile connectivity options, this amplifier allows you to connect various audio devices such as CD players, computers, smartphones, and more. Whether you want to enjoy your favorite music from a physical disc or stream it wirelessly from your mobile device, the MOON 220i has got you covered.

In terms of controls and adjustments, this amplifier provides balance controls and tone adjustments, allowing you to fine-tune the audio output according to your preference. The balance controls enable you to adjust the relative volume levels between the left and right channels for a balanced soundstage. Additionally, the tone adjustments allow you to customize the bass, midrange, and treble frequencies to suit your personal taste.

Furthermore, the MOON 220i offers various operating modes that enhance the overall listening experience. It features a Class A operation mode that delivers up to 5 Watts of power for superior audio quality. This mode ensures that even at lower volume levels, the amplifier maintains clarity and detail in the sound reproduction.

Overall, the functionality of the Sim Audio MOON 220i amplifier is designed to provide flexibility and control over your audio playback. Whether you prefer physical media or digital streaming, this amplifier offers seamless connectivity options. Additionally, with its balance controls, tone adjustments, and various operating modes, it allows you to tailor the sound output according to your preferences for an immersive listening experience.

Sound Characteristics

The Sim Audio MOON 220i amplifier delivers exceptional sound characteristics that will captivate any audiophile. With its impressive performance, this amplifier truly stands out in terms of sound quality.

One of the notable features of the MOON 220i is its ability to provide a detailed and immersive audio experience. The amplifier excels in reproducing intricate details within the music, allowing listeners to appreciate every nuance and subtlety. Instrument separation is also top-notch, with each instrument occupying its own space in the soundstage, creating a realistic and three-dimensional listening experience.

The bass response of the MOON 220i is deep and impactful. It provides a solid foundation to the music, adding depth and richness to the overall sound. The amplifier’s ability to handle low frequencies with precision ensures that the bass remains tight and controlled, without overpowering or muddying the other elements of the music.

In terms of treble clarity, the MOON 220i shines. It effortlessly reproduces high-frequency details with clarity and accuracy, ensuring that cymbals shimmer and vocals soar without any harshness or distortion. The amplifier’s ability to maintain a smooth and refined treble response enhances the overall musicality and enjoyment of any genre.

The MOON 220i amplifier excels across various music genres. Whether you’re listening to classical orchestral pieces, rock anthems, or jazz compositions, this amplifier brings out the best in every genre. It effortlessly handles complex passages with ease, allowing listeners to fully immerse themselves in the music. The amplifier’s ability to convey emotion and dynamics adds an extra layer of authenticity to live recordings, making you feel like you’re right there in the concert hall.

Overall, the Sim Audio MOON 220i amplifier impresses with its impeccable sound characteristics. From its detailed reproduction of musical nuances to its powerful bass response and refined treble clarity, this amplifier elevates your listening experience to new heights. Regardless of the genre you prefer, the MOON 220i will deliver a captivating and engaging performance that will leave you wanting more.

Sound Performance

The Sim Audio MOON 220i amplifier truly shines when it comes to its sound performance. It has the ability to transport the listener into a captivating auditory experience that is both immersive and engaging.

One of the standout qualities of this amplifier is its exceptional ability to faithfully reproduce audio signals. The clarity it offers is truly remarkable, allowing every intricate detail and nuance in the music to be heard with precision. From the delicate plucking of guitar strings to the subtle breaths of a vocalist, every element is presented with utmost accuracy.

The dynamics produced by the MOON 220i are also worth mentioning. It effortlessly handles both soft and loud passages, ensuring that no part of the music gets lost or overshadowed. The transitions between different dynamic levels are seamless, creating a lifelike and dynamic listening experience.

When it comes to tonal balance, the MOON 220i excels in delivering a well-rounded sound across different frequency ranges. The bass response is tight and controlled, providing a solid foundation for the music without overpowering other elements. The midrange is rich and detailed, allowing vocals and instruments to shine with clarity and realism. The highs are crisp and extended, adding sparkle and airiness to the overall sound.

Whether you’re listening to delicate classical pieces or energetic rock tracks, the MOON 220i ensures that each genre is presented with finesse and accuracy. It brings out the true essence of the music, making every listening session a truly enjoyable experience.

In summary, the sound performance of the Sim Audio MOON 220i amplifier is nothing short of exceptional. Its ability to faithfully reproduce audio signals with clarity, dynamics, and tonal balance across different frequency ranges sets it apart from its competitors. If you’re looking for an amplifier that can elevate your listening experience to new heights, the MOON 220i should definitely be on your radar.


The Sim Audio MOON 220i amplifier offers a range of advantages that set it apart from its competitors in the market. When compared to other models in the same price range, the MOON 220i stands out with its exceptional performance and features.

One of the key advantages of the MOON 220i is its Class A operation up to 5 Watts. This ensures that the amplifier delivers clean and distortion-free sound, even at low volumes. The use of high-quality components and optimal selection of parts further enhances the overall audio performance, resulting in a truly immersive listening experience.

Another advantage of the MOON 220i is its solid construction and design. The amplifier features an aluminum chassis which not only provides a sleek and modern aesthetic but also helps in dissipating heat effectively, leading to reduced operating temperatures and prolonged device lifespan. Additionally, the rigid construction of the product offers protection against external vibrations, ensuring that the audio output remains stable and undisturbed.

In terms of functionality, the MOON 220i excels with its front panel headphone output. This allows users to enjoy their music privately without the need for additional equipment. The amplifier also comes with a remote control, providing convenient access to various functions and settings.

When compared to other amplifiers in its price range, the MOON 220i stands out with its impressive power output. With 80 Watts per channel at 4 Ohms and 40 Watts per channel at 8 Ohms, this amplifier has ample power to drive a wide range of speakers, delivering dynamic and detailed sound reproduction.

Overall, the Sim Audio MOON 220i amplifier offers several advantages that make it a top choice among audiophiles. Its Class A operation, high-quality construction, functional design, and powerful performance set it apart from competitors in its price range. Whether you are a casual listener or a dedicated audiophile, the MOON 220i is sure to impress with its exceptional audio quality and versatility.

Value for Money

When it comes to evaluating the value for money of the Sim Audio MOON 220i amplifier, it is important to consider its performance, features, and price. With its impressive sound quality, solid construction, and versatile functionality, the MOON 220i offers a compelling value proposition.

In terms of performance, the amplifier delivers exceptional audio quality with its Class A operation up to 5 watts. This ensures a clean and distortion-free sound reproduction, allowing listeners to enjoy their music with utmost clarity and precision. The amplifier also boasts a wide frequency range from 10 Hz to 100,000 Hz, enabling it to reproduce both low and high-frequency sounds accurately.

In addition to its outstanding performance, the MOON 220i is equipped with various features that enhance its functionality. The inclusion of a headphone output on the front panel allows for convenient private listening sessions. The use of high-quality components and gold-plated copper boards further contribute to its overall performance by minimizing resistance and maximizing signal integrity.

When considering the price of the MOON 220i, it is important to note that it falls within the mid-range price bracket for amplifiers. While it may not be the most affordable option on the market, its combination of superior audio performance and durable construction justifies its price point. Moreover, with a warranty period of one year and the reputation of Sim Audio as a reliable brand in the industry, consumers can have peace of mind knowing that they are investing in a high-quality product.

Overall, when evaluating the value for money offered by the Sim Audio MOON 220i amplifier, it becomes evident that it provides an excellent balance between performance, features, and price. Its exceptional sound characteristics coupled with its solid construction make it a worthwhile investment for audiophiles who prioritize audio excellence.


In conclusion, the Sim Audio MOON 220i amplifier is a high-quality and versatile audio device that delivers exceptional performance. With its impressive technical specifications, solid design, and advanced functionality, this amplifier is a standout choice for audiophiles and music enthusiasts.

The MOON 220i boasts a sleek and sturdy design, constructed with high-quality materials such as oxygen-free copper with gold plating for optimal conductivity and resistance. Its aluminum casing not only enhances durability but also helps to dissipate heat efficiently, ensuring prolonged operation without overheating.

Functionality-wise, the MOON 220i offers a range of features that enhance user experience. The front panel headphone output allows for convenient private listening. Additionally, the amplifier is designed for continuous connection to the power supply, further adding to its convenience.

When it comes to sound characteristics, the MOON 220i excels in delivering clear and detailed audio reproduction. With a wide frequency range of 10Hz to 100,000Hz, it captures every nuance and detail of your favorite music. The signal-to-noise ratio of 101dB ensures minimal distortion and maximum clarity.

In terms of sound performance, the MOON 220i truly shines. It delivers powerful and dynamic sound with its 80W per channel (4 Ohms) or 40W per channel (8 Ohms) output power. Whether you’re listening to classical music or rocking out to your favorite tracks, this amplifier provides a captivating audio experience that will satisfy even the most discerning listeners.

One of the notable advantages of the MOON 220i is its value for money. While it may come at a higher price point compared to some other amplifiers on the market, its exceptional build quality and top-notch performance justify the investment. This amplifier is built to last and offers a level of audio quality that is worth every penny.

For potential buyers looking for a reliable and high-performing amplifier, the Sim Audio MOON 220i is an excellent choice. Its impressive specifications, solid construction, and exceptional sound quality make it a top contender in its class. Whether you’re a music enthusiast or a professional audiophile, this amplifier will elevate your listening experience to new heights.

In conclusion, the Sim Audio MOON 220i is a standout amplifier that delivers outstanding audio performance. With its solid construction, advanced features, and remarkable sound characteristics, it is a worthy investment for those seeking the best in audio quality. For anyone looking to take their music listening experience to the next level, the MOON 220i is an amplifier that should not be overlooked.

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