Advance Acoustic X-i90: Elevating Audio Quality to New Heights


In the world of audio enthusiasts, high-quality sound amplification is essential for delivering an immersive and captivating listening experience. Whether you’re a music lover or a movie enthusiast, having a reliable amplifier can greatly enhance the audio performance of your system. In this review, we will delve into the world of the Advance Acoustic X-i90 amplifier. This integrated amplifier is part of the new generation X-line series, designed to provide exceptional sound quality and value for budget-conscious music lovers. We will explore its technical specifications, design and construction, functionality, sound characteristics, advantages, and overall value for money. Join us as we uncover the capabilities and performance of the Advance Acoustic X-i90 amplifier, a powerful tool in the pursuit of audio excellence.

Technical Specifications

The Advance Acoustic X-i90 amplifier boasts impressive technical specifications that contribute to its exceptional audio performance. With a power output of 2 x 90 watts at 8 ohms, this stereo amplifier delivers robust and dynamic sound. It utilizes eight power transistors, allowing it to effortlessly drive a wide range of speakers available in the market.

In terms of sound quality, the X-i90 offers a signal-to-noise ratio (SNR) of 90 dB, ensuring minimal background noise and maximum clarity in audio playback. Additionally, the amplifier maintains low total harmonic distortion (THD) at just 0.15%, guaranteeing accurate and faithful reproduction of music.

The X-i90 features a variety of inputs and outputs to accommodate different audio sources. It includes eight analog RCA inputs, providing flexibility for connecting multiple devices such as CD players, turntables, or media players. The amplifier also incorporates two USB ports for convenient connectivity with compatible devices.

Furthermore, the X-i90 supports various audio formats and has a high-quality built-in DAC (Digital-to-Analog Converter) with a sampling frequency of up to 192 kHz. This ensures accurate conversion of digital audio signals for optimal playback.

In terms of frequency response, the X-i90 covers a wide range from 10 Hz to 65,000 Hz, allowing for detailed reproduction of both low and high-frequency sounds. The amplifier is compatible with speakers having an impedance of either 4 or 8 ohms, making it versatile for different speaker setups.

Overall, the technical specifications of the Advance Acoustic X-i90 demonstrate its capability to deliver powerful and precise audio performance while accommodating various audio sources and formats.

Design and Construction

The Advance Acoustic X-i90 amplifier boasts a visually stunning design that exudes luxury and sophistication. Its sleek and modern exterior is sure to catch the eye of any music enthusiast. The attention to detail in its construction is evident, with high-quality materials used throughout.

One notable design feature of the X-i90 is its efficient cooling system. The amplifier is designed to dissipate heat effectively, ensuring optimal performance even during long listening sessions. This not only prolongs the lifespan of the amplifier but also prevents overheating issues that can affect audio quality.

In terms of reducing interference, the X-i90 incorporates shielding and isolation techniques to minimize any unwanted noise or distortion. This ensures that the audio signal remains clean and pure, allowing for a more immersive listening experience.

The connectors and switches on the X-i90 are of exceptional quality. They are sturdy and well-built, providing a secure connection and smooth operation. The attention to detail in their design further enhances the overall user experience.

Overall, the design and construction of the Advance Acoustic X-i90 amplifier are top-notch. From its visually appealing exterior to its efficient cooling system and high-quality connectors, every aspect has been carefully considered to deliver both aesthetic appeal and functional excellence.


The Advance Acoustic X-i90 amplifier offers a wide range of functionality, making it a versatile choice for audio enthusiasts. With its multiple connectivity options, including eight analog inputs, two USB ports, and two coaxial audio inputs, the X-i90 allows for seamless integration with various audio sources such as CD players, computers, smartphones, and more.

One notable feature of the X-i90 is its built-in digital-to-analog converter (DAC), which enhances the audio quality when playing digital music files. This allows for an immersive listening experience with high-resolution audio playback.

Additionally, the X-i90 provides balance controls and tone adjustments, giving users the ability to fine-tune their sound preferences. Whether you prefer a warm and rich sound or a more neutral and balanced output, the X-i90 allows for customization to suit individual preferences.

The amplifier also offers multiple operating modes, allowing users to switch between different settings depending on their needs. Whether you are using the X-i90 for casual listening or for a more critical listening session, these operating modes ensure optimal performance in any scenario.

Overall, the functionality of the Advance Acoustic X-i90 amplifier is impressive. Its extensive connectivity options, balance controls, tone adjustments, and various operating modes make it a versatile and user-friendly choice for audiophiles seeking a high-quality audio experience.

Sound Characteristics

The Advance Acoustic X-i90 amplifier offers exceptional sound characteristics that will impress even the most discerning audiophiles. With its powerful performance and precise audio reproduction, this amplifier truly stands out.

When it comes to sound quality, the X-i90 delivers an immersive listening experience. The amplifier exhibits excellent detail retrieval, allowing you to hear subtle nuances and textures in your music. Instruments are well-separated, creating a spacious soundstage that adds depth and realism to your favorite tracks.

The bass response of the X-i90 is tight and controlled, providing a solid foundation to the music without overpowering other frequencies. Whether you’re listening to bass-heavy electronic tracks or delicate acoustic melodies, the amplifier strikes a perfect balance, ensuring that every note is reproduced accurately.

The treble clarity of the X-i90 is exceptional, offering crisp and precise high-frequency reproduction. The amplifier maintains a smooth and natural treble presentation, avoiding any harshness or sibilance. This ensures that vocals and instruments in the higher range are reproduced with accuracy and clarity.

One of the standout features of the X-i90 is its versatility across different music genres. Whether you enjoy classical symphonies, rock anthems, or jazz improvisations, this amplifier handles each genre with finesse. It effortlessly adapts to the unique characteristics of each genre, delivering an engaging and dynamic performance that brings your music to life.

Overall, the sound characteristics of the Advance Acoustic X-i90 amplifier are truly impressive. Its ability to reproduce intricate details, provide a balanced bass response, offer clear treble reproduction, and adapt to various music genres makes it a top choice for audiophiles seeking exceptional sound quality.

Sound Performance

The Advance Acoustic X-i90 amplifier delivers an outstanding sound performance that will transport you into a captivating auditory experience. With its powerful capabilities and advanced technology, this amplifier faithfully reproduces audio signals, ensuring a high level of clarity, dynamics, and tonal balance across the entire frequency range.

When it comes to clarity, the X-i90 excels in preserving the intricate details of your music. Whether you’re listening to delicate acoustic melodies or complex orchestral arrangements, the amplifier ensures that every note is rendered with precision and accuracy. The separation between instruments is impressive, allowing for a truly immersive listening experience where each element can be discerned with clarity.

The dynamics of the X-i90 are equally impressive. It effortlessly handles both soft and loud passages, providing a wide dynamic range that adds depth and excitement to your music. From the gentle whispers of a vocalist to the thunderous crashes of drums, this amplifier captures the full spectrum of dynamics, ensuring that no detail is lost or overshadowed.

Tonal balance is another area where the X-i90 shines. It maintains a natural and well-balanced sound signature that doesn’t favor any particular frequency range. The lows are tight and controlled, delivering impactful bass without overpowering the rest of the audio spectrum. The midrange is rich and warm, allowing vocals and instruments to shine with lifelike presence. The highs are crisp and detailed, adding sparkle and airiness to the overall sound.

Whether you’re listening to rock, jazz, classical, or any other genre, the X-i90 amplifier ensures that each instrument is faithfully reproduced with exceptional accuracy and realism. It brings life to your music collection, allowing you to fully appreciate the nuances and subtleties that make each recording unique.

In conclusion, the Advance Acoustic X-i90 amplifier provides an extraordinary sound performance that captivates listeners with its clarity, dynamics, and tonal balance. It faithfully reproduces audio signals, ensuring that every detail is preserved and presented with precision. With its ability to transport you into the heart of the music, the X-i90 amplifier truly elevates your listening experience to new heights.


The Advance Acoustic X-i90 amplifier offers several advantages that set it apart from its competitors in the market. Firstly, its powerful output of 2 x 90 watts at 8 ohms ensures a robust and dynamic sound performance, allowing it to easily drive a wide range of speakers available in the market. This makes it suitable for both small and large listening spaces.

Additionally, the X-i90 features a “Hi Bias” function that further enhances its ability to deliver high-quality audio. This function enables the amplifier to effortlessly handle demanding speaker systems, providing a clean and distortion-free sound reproduction.

Furthermore, the X-i90 boasts a sleek and luxurious design that adds an aesthetic appeal to any audio setup. Its designer exterior gives it a premium look and feel, making it an attractive addition to any home entertainment system.

In terms of functionality, the X-i90 offers a comprehensive range of inputs and outputs. With eight analog inputs, including two coaxial and one optical audio input, users have ample options for connecting various audio sources. The presence of a built-in DAC (Digital-to-Analog Converter) allows for high-resolution audio playback, ensuring exceptional sound quality.

Comparing it with other models in the same price range, the X-i90 stands out due to its superior power output and versatile connectivity options. Many amplifiers in this price range may not offer the same level of power or flexibility when it comes to input/output options.

Overall, the Advance Acoustic X-i90 amplifier excels in terms of its power, functionality, and design. Its ability to deliver high-quality sound, coupled with its stylish appearance, make it a top contender in its price range. Whether you are an avid music lover or a discerning audiophile, the X-i90 is sure to impress with its exceptional performance and versatility.

Value for Money

The Advance Acoustic X-i90 amplifier offers exceptional value for money, delivering a combination of performance, features, and affordability that is hard to beat. With its powerful output of 2 x 90 watts at 8 ohms and the ability to easily drive most market-available speaker systems, this amplifier provides a high-quality audio experience without breaking the bank.

One of the standout features of the X-i90 is its built-in DAC (Digital-to-Analog Converter), which allows for high-resolution audio playback. With a sampling frequency of up to 192 kHz, it ensures that your music is reproduced with exceptional clarity and detail. This feature alone sets the X-i90 apart from other amplifiers in its price range.

Additionally, the X-i90 offers a wide range of connectivity options, including eight analog RCA inputs, two USB ports, two coaxial audio inputs, and one optical audio input. This versatility allows you to connect multiple audio sources such as CD players, turntables, and media players simultaneously. The inclusion of a phono preamp further expands its compatibility with vinyl enthusiasts.

Considering its solid construction and sleek design, the X-i90 not only delivers impressive performance but also adds an aesthetic appeal to any audio setup. The included remote control provides convenient access to all functions, making it easy to adjust settings from the comfort of your listening position.

In terms of price, the X-i90 offers excellent value compared to other amplifiers in its class. Its combination of power, features, and build quality make it a standout choice for budget-conscious music lovers who refuse to compromise on sound quality.

Overall, the Advance Acoustic X-i90 amplifier offers exceptional value for money. It combines powerful performance, versatile connectivity options, and a sleek design at an affordable price point. Whether you are a casual listener or an avid audiophile, this amplifier is sure to exceed your expectations and provide a rewarding listening experience without breaking the bank.


In conclusion, the Advance Acoustic X-i90 amplifier is a powerful and versatile integrated amplifier that offers exceptional performance for budget-conscious music enthusiasts. With its sleek design and high-quality construction, it exudes a sense of luxury and sophistication.

The technical specifications of the X-i90 are impressive, with a power output of 2 x 90 watts at 8 ohms, thanks to its eight power transistors. The “Hi Bias” function allows it to effortlessly drive most market-available acoustic systems. Additionally, the built-in DAC and various analog inputs cater to different consumer needs, ensuring a seamless connection to various audio sources.

When it comes to sound characteristics, the X-i90 delivers a clean and detailed sound reproduction across the entire frequency range. With a minimum frequency response of 10 Hz and a maximum frequency response of 65,000 Hz, it offers a wide and accurate soundstage.

The sound performance of the X-i90 is truly impressive. It provides excellent clarity, separation, and dynamics in both stereo and multi-channel setups. Whether you’re listening to classical music or enjoying an action-packed movie, this amplifier will elevate your audio experience to new heights.

One of the major advantages of the Advance Acoustic X-i90 is its value for money. It offers a combination of high-end features and performance at a price point that is accessible for many consumers. The inclusion of a full-featured remote control further enhances its usability.

For potential buyers, I would highly recommend the Advance Acoustic X-i90 if you are seeking an amplifier that delivers exceptional audio performance without breaking the bank. Whether you are a music lover or a home theater enthusiast, this amplifier will exceed your expectations with its power, versatility, and overall sound quality.

In conclusion, the Advance Acoustic X-i90 is an outstanding amplifier that offers an incredible value proposition. Its technical prowess, elegant design, and impressive sound performance make it a top choice for anyone looking to enhance their audio setup. Invest in the X-i90 and elevate your listening experience to a whole new level.

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