Advance Acoustic X-i50BT: Elevating Sound to New Heights


In the world of audio enthusiasts, high-quality sound amplification is a crucial component in creating an immersive and captivating listening experience. Whether you’re a music lover, a movie enthusiast, or a gaming aficionado, having the right amplifier can make all the difference in bringing your entertainment to life. In this review, we will be diving into the world of hifi sound amplifiers and exploring the features and performance of the Advance Acoustic X-i50BT.

The Advance Acoustic X-i50BT is an entry-level model in the company’s amplifier lineup. However, don’t let its classification fool you, as this amplifier packs a punch that rivals its higher-priced counterparts. With features such as a built-in Bluetooth, USB input, and a phono stage, this little powerhouse offers versatility and convenience in one sleek package.

But it’s not just about the bells and whistles; what truly sets the X-i50BT apart is its commitment to delivering exceptional sound quality. Powered by a toroidal transformer and capable of delivering 10/16 Watts in Class A mode with Hi Bias engaged, this amplifier goes above and beyond its rated output power of 2 x 50 Watts (at 8 Ohms). This is not just a marketing gimmick but a testament to the engineering prowess behind this amplifier.

With full-sized speaker terminals and a preamp output, the X-i50BT showcases its high-level capabilities while also providing room for system expansion. It’s clear that this amplifier was designed with both performance and future growth in mind.

In this review, we will be delving into the technical specifications, design and construction, functionality, sound characteristics, sound performance, advantages, value for money, and ultimately concluding our thoughts on the Advance Acoustic X-i50BT. So sit back, relax, and let’s explore what this amplifier has to offer for your audio setup.

Technical Specifications

The Advance Acoustic X-i50BT amplifier offers impressive technical specifications that contribute to its exceptional sound performance. With a power output of 2 x 50W at 8 Ohms and 2 x 65W at 4 Ohms, this amplifier delivers ample power to drive a wide range of speakers. The amplifier operates in Class AB, combining the efficiency of Class B amplifiers with the low distortion characteristics of Class A amplifiers.

When it comes to sound quality, the X-i50BT boasts an excellent signal-to-noise ratio (SNR) of over 85dB. This means that the amplifier effectively minimizes background noise, allowing for clear and detailed audio reproduction. Additionally, the total harmonic distortion (THD) is less than 0.15%, ensuring that the sound remains clean and accurate.

In terms of connectivity, the X-i50BT offers versatile options. It features Bluetooth technology, allowing you to easily connect your devices wirelessly and stream music with convenience. The amplifier also includes a phono input with a high input impedance of 47kOhms, making it compatible with most turntables.

The X-i50BT provides multiple inputs for various audio sources. It offers eight RCA inputs, accommodating a wide range of devices such as CD players, media players, and more. Additionally, it features a USB input for connecting compatible devices directly.

With a frequency response ranging from 10Hz to 30kHz (-3dB), the X-i50BT ensures accurate reproduction of both low and high frequencies. This wide frequency response allows for a detailed and immersive listening experience across various genres of music. The amplifier has an input impedance of 10kOhms, ensuring compatibility with different audio sources.

Overall, the technical specifications of the Advance Acoustic X-i50BT demonstrate its capability to deliver powerful and high-quality sound reproduction. Its versatile connectivity options and wide frequency response make it suitable for both casual listeners and audiophiles seeking a reliable and immersive audio experience.

Design and Construction

The Advance Acoustic X-i50BT amplifier boasts an elegant and sleek design that is sure to catch the eye of any audio enthusiast. Its black color adds a touch of sophistication, making it a stylish addition to any home audio setup. The compact dimensions of 110mm in height, 430mm in width, and 320mm in depth make it easy to integrate into any space.

The construction of the X-i50BT is solid and sturdy, ensuring durability and longevity. The materials used in its construction are of high quality, further enhancing its overall build. The attention to detail is evident in the smooth finish and clean lines of the amplifier.

One notable design feature of the X-i50BT is its efficient cooling system. It incorporates a well-designed ventilation system that allows for proper heat dissipation, preventing overheating and ensuring optimal performance even during extended use. This not only prolongs the lifespan of the amplifier but also contributes to its overall reliability.

In terms of reducing interference, the X-i50BT is equipped with high-quality connectors and switches. These components are carefully selected to minimize signal degradation and maintain signal integrity throughout the audio chain. The connectors provide a secure and reliable connection, ensuring that there are no interruptions or distortions in the audio playback.

The front panel of the X-i50BT features a clean and intuitive layout, with clearly labeled controls for easy operation. The knobs and buttons have a solid feel to them, indicating their durability and precision. Additionally, the presence of a headphone output on the front panel adds convenience for private listening sessions.

Overall, the design and construction of the Advance Acoustic X-i50BT amplifier showcase a combination of aesthetics and functionality. Its sleek appearance, high-quality materials, efficient cooling system, and reliable connectors make it a standout choice for discerning audio enthusiasts seeking both style and performance in their amplification setup.


The Advance Acoustic X-i50BT amplifier offers a wide range of functionality, making it a versatile choice for audio enthusiasts. With its multiple connectivity options, you can easily connect various audio sources such as CD players, computers, smartphones, and more. The amplifier features eight RCA inputs, allowing you to connect multiple devices simultaneously and switch between them effortlessly.

One notable feature of the X-i50BT is its built-in Bluetooth capability. This enables seamless wireless streaming from your Bluetooth-enabled devices, providing convenience and flexibility in your audio setup. Whether you want to stream music from your smartphone or tablet, the X-i50BT has got you covered.

In terms of controls and adjustments, this amplifier offers balance controls and tone adjustments. The balance controls allow you to fine-tune the sound distribution between the left and right channels, ensuring an optimal listening experience. Additionally, the tone adjustments provide the flexibility to customize the sound according to your preferences by adjusting bass, treble, and other frequency ranges.

Another noteworthy feature is the presence of a phono stage with MM (Moving Magnet) compatibility. This means that you can connect a turntable directly to the amplifier without needing an external phono preamp. This feature is especially appealing for vinyl enthusiasts who want to enjoy their record collection with ease.

Overall, the Advance Acoustic X-i50BT provides a comprehensive set of functionality options that cater to various audio sources and preferences. Its connectivity options, balance controls, tone adjustments, and phono stage make it a versatile amplifier that can adapt to different setups and deliver an enhanced listening experience.

Sound Characteristics

The Advance Acoustic X-i50BT amplifier delivers exceptional sound characteristics that will impress even the most discerning audiophiles. With its powerful performance and precise audio reproduction, this amplifier truly stands out in its class.

The sound quality produced by the X-i50BT is nothing short of remarkable. It offers a detailed and dynamic soundstage, allowing you to hear every nuance and subtlety in your music. The instrument separation is excellent, ensuring that each instrument is distinct and well-defined within the mix. This level of clarity adds depth and realism to your listening experience.

When it comes to bass response, the X-i50BT does not disappoint. It delivers deep, punchy bass that adds weight and impact to your favorite tracks. Whether you’re listening to electronic beats or thumping basslines in rock music, this amplifier reproduces low frequencies with precision and authority.

The treble clarity of the X-i50BT is equally impressive. High frequencies are crisp, clear, and well-extended, adding sparkle and airiness to vocals and instruments. The amplifier maintains a perfect balance between the highs and lows, ensuring that no part of the frequency spectrum overpowers the others.

One of the standout features of the X-i50BT is its ability to adapt to different music genres. Whether you’re listening to classical orchestral pieces or energetic pop tracks, this amplifier brings out the best in every genre. It accurately captures the emotion and energy of live performances, immersing you in a captivating musical experience.

Overall, the sound characteristics of the Advance Acoustic X-i50BT amplifier are truly exceptional. Its detailed soundstage, powerful bass response, clear treble, and versatility make it a top choice for audiophiles who crave an immersive and engaging listening experience across various music genres.

Sound Performance

The sound performance of the Advance Acoustic X-i50BT amplifier is truly impressive, delivering a captivating audio experience that will transport you into a world of rich and immersive sound. This amplifier excels in faithfully reproducing audio signals with exceptional clarity, dynamics, and tonal balance across the entire frequency range.

When it comes to clarity, the X-i50BT shines, allowing every detail and nuance in the music to be heard with remarkable precision. The notes are crisp and well-defined, ensuring that each instrument and vocal stands out in the mix. Whether you’re listening to a delicate acoustic track or a complex orchestral piece, this amplifier brings out the intricate details with remarkable accuracy.

The dynamics of the X-i50BT are equally impressive. It effortlessly handles both soft and loud passages, capturing the full range of dynamics in the music. From gentle whispers to thunderous crescendos, this amplifier maintains control and finesse, allowing the music to come alive with a sense of energy and excitement.

One of the standout features of this amplifier is its exceptional tonal balance. The X-i50BT strikes a perfect balance between the lows, mids, and highs, ensuring that no frequency range overpowers the others. The bass is tight and well-defined, providing a solid foundation to the music without overpowering or muddying the other frequencies. The midrange is warm and natural, allowing vocals and instruments to shine with authenticity. 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-i50BT delivers a truly enjoyable listening experience. It brings out the emotion and subtleties in the music, allowing you to fully immerse yourself in each track.

In conclusion, the sound performance of the Advance Acoustic X-i50BT amplifier is nothing short of exceptional. Its ability to faithfully reproduce audio signals with clarity, dynamics, and tonal balance is truly remarkable. If you’re looking for an amplifier that will elevate your listening experience to new heights, the X-i50BT is a top contender.


The Advance Acoustic X-i50BT amplifier offers several advantages that set it apart from its competitors in the market. Firstly, its High-End platform design ensures superior performance that rivals amplifiers in higher price ranges. This means that users can enjoy top-notch audio quality without breaking the bank.

One standout feature of the X-i50BT is its versatility. With a built-in phono stage, Bluetooth connectivity, and USB input, this amplifier caters to a wide range of audio sources, making it convenient for users to connect their preferred devices and enjoy their favorite music effortlessly.

Another advantage of the X-i50BT is its powerful output. Despite being an entry-level model, it delivers an impressive 2 x 50W (8 ohms) or 2 x 65W (4 ohms) of power. This ensures ample volume and clarity for a variety of speakers, allowing users to create an immersive listening experience.

In terms of construction, the X-i50BT boasts a solid build quality with full-sized speaker terminals and a preamp output. These features not only enhance the overall durability of the amplifier but also provide room for system expansion, allowing users to upgrade their setup in the future.

When compared to other amplifiers in its price range, the X-i50BT stands out due to its comprehensive range of features and robust performance. It surpasses many competitors by offering a built-in phono stage, which is essential for vinyl enthusiasts. Additionally, the inclusion of Bluetooth connectivity and multiple RCA inputs further enhances its value proposition.

Overall, the Advance Acoustic X-i50BT amplifier offers a compelling package with its exceptional performance, versatility, and value for money. Whether you are a casual listener or an avid audiophile, this amplifier provides an excellent entry point into high-quality audio reproduction without compromising on features or sound quality.

Value for Money

The Advance Acoustic X-i50BT amplifier offers exceptional value for money, combining impressive performance, a wide range of features, and an affordable price point. With its powerful output of 2 x 50W (8 Ohms) and 2 x 65W (4 Ohms), this amplifier delivers robust and dynamic sound that will elevate your audio experience.

In terms of features, the X-i50BT stands out with its built-in Bluetooth capability, allowing you to easily connect your devices wirelessly and stream music effortlessly. Additionally, the inclusion of a phono stage and USB input further enhances its versatility, catering to different audio sources and preferences.

The X-i50BT also boasts a high-quality construction and design. The use of a toroidal transformer ensures clean and stable power delivery, while the full-size speaker terminals and preamp output showcase the attention to detail in its construction. These features not only contribute to its overall performance but also provide room for future system expansion.

Considering its technical specifications, such as a wide frequency response range of 10Hz – 30kHz (-3dB), low distortion levels (<0.15%), and a signal-to-noise ratio of over 85dB, the X-i50BT proves itself as a capable amplifier that delivers accurate and detailed sound reproduction. When evaluating the value for money aspect, it's important to compare the X-i50BT with other amplifiers in its price range. The combination of its performance, features, and build quality makes it a compelling option that outshines many competitors. While it may be an entry-level model in Advance Acoustic's lineup, it certainly punches above its weight class. In conclusion, the Advance Acoustic X-i50BT amplifier offers excellent value for money. Its powerful performance, extensive features, and solid construction make it a standout choice for both beginners and audio enthusiasts looking for an amplifier that delivers impressive sound quality without breaking the bank.


In conclusion, the Advance Acoustic X-i50BT amplifier proves to be a remarkable entry-level model in the company’s lineup. Despite its affordable price point, this amplifier surpasses its competitors with its high-end design and features. With a built-in phono stage, Bluetooth connectivity, and USB input, this amplifier offers versatility and convenience.

The X-i50BT boasts impressive technical specifications, including an output power of 2 x 50W (8 Ohms) and a frequency range of 10Hz to 30kHz. The Hi Bias mode further enhances its performance by delivering the first 10/16W in Class A. These specifications demonstrate that the limited output power of 2 x 50W is merely a marketing distinction rather than a limitation of the circuitry.

The design and construction of the X-i50BT are top-notch. Its compact size and sleek black color make it a visually appealing addition to any audio setup. The inclusion of full-size speaker terminals and a preamp output further highlights the amplifier’s high-quality build and provides room for system expansion.

Functionality-wise, the X-i50BT excels with its multiple inputs, including eight RCA inputs and a USB connection. The built-in Bluetooth allows for seamless wireless streaming, adding convenience to the listening experience. Additionally, the presence of a headphone output on the front panel ensures private listening without compromising audio quality.

When it comes to sound characteristics, the X-i50BT delivers exceptional performance. With a low distortion level of less than 0.15% and a signal-to-noise ratio of over 85dB, this amplifier ensures clean and clear audio reproduction. The balanced soundstage and accurate tonal balance make it suitable for various genres of music.

In terms of sound performance, the X-i50BT truly shines. The amplifier’s ability to drive speakers with ease and precision creates an immersive listening experience. Whether you prefer delicate nuances or powerful bass, this amplifier delivers it all with finesse.

One of the significant advantages of the X-i50BT is its value for money. With its impressive features and audio performance, this amplifier offers a level of quality typically found in higher-priced models. It provides an affordable entry point into the world of high-fidelity audio without compromising on performance.

For potential buyers, the Advance Acoustic X-i50BT is an excellent choice for those seeking a budget-friendly amplifier with exceptional sound quality. Whether you are a beginner or an audio enthusiast looking to upgrade your system, this amplifier offers a compelling package. Its versatility, build quality, and outstanding performance make it a worthwhile investment.

In conclusion, the Advance Acoustic X-i50BT amplifier exceeds expectations in every aspect. Its combination of features, design, and sound performance makes it a standout choice among entry-level amplifiers. If you are in search of an amplifier that offers great value for money without compromising on audio quality, the X-i50BT is undoubtedly worth considering.

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