Roxton RA-8212: Unleashing the Power of High-Fidelity Sound


In today’s fast-paced world, where music and audio play a significant role in our lives, having a high-quality sound amplifier is essential. Whether you’re a music enthusiast, a professional DJ, or simply someone who appreciates crystal-clear audio, the right amplifier can make all the difference in your listening experience. In this review, we will delve into the world of sound amplification and explore the features and performance of the Roxton RA-8212 amplifier.

The Roxton RA-8212 is a powerful hifi sound amplifier designed to enhance your audio experience. With its impressive technical specifications and innovative design, this amplifier promises to deliver exceptional sound quality and versatility. From home entertainment systems to professional audio setups, the Roxton RA-8212 aims to meet the needs of both casual listeners and audiophiles alike.

With its wide range of applications, this amplifier can be used in various settings such as home theaters, recording studios, live performances, and more. Its ability to amplify sound signals from multiple sources makes it a versatile choice for any audio setup. Whether you want to connect your TV, gaming console, or musical instruments, the Roxton RA-8212 offers seamless integration and superior performance.

In an era where streaming services and digital media dominate our listening habits, having an amplifier that can reproduce high-fidelity sound is crucial. The Roxton RA-8212 boasts impressive technical specifications such as a frequency range of 40 Hz – 20 kHz and a signal-to-noise ratio of 105 dB. These numbers indicate that this amplifier can faithfully reproduce both low and high-frequency sounds with exceptional clarity.

Furthermore, the Roxton RA-8212 features a sleek design that not only enhances its aesthetic appeal but also ensures optimal functionality. Its 19-inch (2U) rack-mountable construction allows for easy integration into existing audio setups. Additionally, the silver color adds a touch of elegance to any environment.

In the following sections of this review, we will explore the technical specifications, design and construction, functionality, sound characteristics, and performance of the Roxton RA-8212 amplifier. By delving into these aspects, we aim to provide you with a comprehensive understanding of this amplifier’s capabilities and help you make an informed decision regarding your audio setup. So let’s dive in and discover what the Roxton RA-8212 has to offer in terms of audio excellence.

Technical Specifications

The Roxton RA-8212 amplifier boasts impressive technical specifications that contribute to its exceptional audio performance. With a power output of 120 Watts, this amplifier delivers robust and clear sound across a wide frequency range of 40 Hz to 20 kHz.

Equipped with a signal-to-noise ratio (SNR) of 105 dB, the RA-8212 ensures minimal background noise and maximizes the clarity of the audio signals. Additionally, the total harmonic distortion (THD) is kept at a low level, guaranteeing accurate reproduction of the original sound without any unwanted distortions.

This amplifier offers various inputs and outputs for versatile connectivity options. It features a microphone input with a level of IC 5mV/470 Ohms, allowing for direct connection of microphones. The line input supports a signal level of 0dB (0.75V)/10kOhms, while the AUX input is adjustable with a signal level of 500mV. The line output provides a signal level of 0dB (0.75V) for easy integration into existing audio setups.

The Roxton RA-8212 amplifier is designed to accommodate different speaker configurations and impedance levels. It supports multiple output options including 100V, 70V, and 4-16 Ohms, ensuring compatibility with various speaker systems. This versatility allows users to customize their audio setup according to their specific needs.

With its comprehensive technical specifications, the Roxton RA-8212 amplifier offers excellent performance and flexibility in handling different audio sources and speaker setups. Whether you are using it for professional applications or personal use, this amplifier provides reliable and high-quality sound reproduction that will elevate your listening experience.

Design and Construction

The Roxton RA-8212 amplifier boasts a sleek and modern external appearance, with a silver color that adds a touch of elegance to any audio setup. The amplifier is housed in a sturdy 19-inch (2U) rack-mountable chassis, measuring 484 x 350 x 88 mm, which ensures durability and ease of installation.

One notable design feature of the Roxton RA-8212 is its efficient cooling system. The amplifier is designed to dissipate heat effectively, preventing overheating and ensuring optimal performance even during prolonged use. This feature is crucial for maintaining the longevity of the amplifier and preventing any potential damage.

In terms of construction, the Roxton RA-8212 is built using high-quality materials that contribute to its overall durability and reliability. The robust build ensures that the amplifier can withstand the rigors of regular use without compromising its performance.

The connectors and switches on the Roxton RA-8212 are of excellent quality. The input and output connectors are sturdy and provide a secure connection, minimizing any signal loss or interference. The switches are well-built and responsive, allowing for easy adjustment of various settings without any issues.

Overall, the design and construction of the Roxton RA-8212 amplifier showcase attention to detail and a commitment to delivering a reliable and high-performing audio device. From its sleek exterior to its efficient cooling system and quality connectors, this amplifier is built to impress both in terms of aesthetics and functionality.


The Roxton RA-8212 amplifier offers a wide range of functionalities, making it a versatile and convenient choice for audio enthusiasts. With its multiple connectivity options, this amplifier allows seamless integration with various audio sources 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 phone, this amplifier has got you covered.

One notable feature of the Roxton RA-8212 is the availability of balance controls and tone adjustments. These allow users to fine-tune the audio output according to their preferences. Whether you prefer a bass-heavy sound or a more balanced audio profile, this amplifier gives you the freedom to customize the sound to suit your taste.

Additionally, the Roxton RA-8212 offers various operating modes that enhance its functionality. The inclusion of a microphone priority feature ensures that important announcements or vocals take precedence over other audio sources. This is particularly useful in public address systems or situations where clear communication is crucial.

Overall, the functionality of the Roxton RA-8212 amplifier is impressive. Its diverse connectivity options, balance controls, tone adjustments, and operating modes make it a versatile and user-friendly choice for both casual listeners and professionals alike.

Sound Characteristics

The Roxton RA-8212 amplifier delivers exceptional sound characteristics that are sure to impress even the most discerning audiophiles. With its powerful output and precise audio reproduction, this amplifier truly shines in terms of sound quality.

One of the standout features of the RA-8212 is its ability to provide a detailed and immersive listening experience. The amplifier excels in instrument separation, allowing each instrument to be heard with clarity and precision. Whether you’re listening to a symphony orchestra or a rock band, the RA-8212 ensures that every instrument is distinct and well-defined.

Furthermore, this amplifier boasts an impressive bass response that adds depth and richness to your audio. The low frequencies are reproduced with accuracy and impact, providing a solid foundation for your music. Whether you’re listening to electronic dance music or hip-hop, the RA-8212 delivers deep and punchy bass that will have you tapping your feet.

In terms of treble clarity, the RA-8212 excels at reproducing high frequencies with precision and detail. The highs are crisp and well-defined, allowing for an enjoyable listening experience across various genres. From delicate cymbal crashes in jazz music to soaring vocals in pop songs, the amplifier captures every nuance of the treble range.

Overall, the sound presentation of the RA-8212 is nothing short of impressive. It offers a balanced and natural sound signature that brings out the best in your music. The amplifier’s ability to reproduce audio with accuracy and finesse makes it suitable for a wide range of music genres, including classical, rock, jazz, and more.

No matter what genre you prefer, the Roxton RA-8212 amplifier enhances the sound quality and ensures an immersive and enjoyable listening experience. Its attention to detail, powerful bass response, clear treble reproduction, and overall balanced sound presentation make it a top choice for music enthusiasts seeking high-quality audio performance.

Sound Performance

The Roxton RA-8212 amplifier delivers an exceptional sound performance that will transport you into a captivating auditory experience. With its ability to faithfully reproduce audio signals, this amplifier ensures that every detail of your music or audio content is brought to life with stunning clarity and precision.

One of the standout features of the RA-8212 is its remarkable tonal balance. Whether you’re listening to delicate classical compositions or bass-heavy electronic tracks, this amplifier maintains a perfect equilibrium across the entire frequency range. The lows are deep and impactful, while the highs are crisp and detailed, creating a well-rounded soundstage that immerses you in the music.

Furthermore, the dynamics of the RA-8212 are truly impressive. It effortlessly handles both soft and loud passages with finesse, allowing for a wide dynamic range that adds depth and excitement to your listening experience. You’ll be able to appreciate the subtle nuances in quieter moments, as well as feel the full impact of powerful crescendos without any distortion or loss of detail.

The sound produced by this amplifier is nothing short of captivating. It has a natural warmth and richness that brings out the true essence of your audio content. Vocals are rendered with exceptional clarity and presence, instruments are reproduced with lifelike accuracy, and every note resonates with depth and emotion.

Whether you’re using the RA-8212 for casual listening or professional applications, its sound performance will exceed your expectations. It elevates your audio experience to new heights, allowing you to fully immerse yourself in your favorite music or enjoy crystal-clear sound during presentations or events.

In summary, the Roxton RA-8212 amplifier delivers an outstanding sound performance that captivates listeners with its clarity, dynamics, and tonal balance. Its ability to faithfully reproduce audio signals ensures that every detail is preserved, resulting in a truly immersive auditory experience. Whether you’re an audiophile or a professional user, this amplifier will undoubtedly impress with its exceptional sound quality.


The Roxton RA-8212 amplifier offers several distinct advantages that set it apart from its competitors. Firstly, its versatile functionality allows for both audio signal mixing and amplification, making it suitable for a range of applications. Whether you need to connect an audio source or a microphone, this amplifier has got you covered.

Additionally, the RA-8212 boasts a robust design and construction. Housed in a 19-inch (2U) rack-mountable chassis, it is built to withstand the rigors of professional use. The silver color adds a touch of elegance to its appearance.

In terms of technical specifications, the RA-8212 delivers impressive performance. With an output power of 120 watts and a signal-to-noise ratio of 105 dB, it ensures clear and powerful audio reproduction. The wide frequency range of 40 Hz to 20 kHz guarantees accurate sound representation across the entire spectrum.

When compared to other models in its price range, the RA-8212 stands out for its reliability and durability. The amplifier’s solid construction ensures longevity and consistent performance, making it a worthy investment for both professionals and enthusiasts alike.

Furthermore, the RA-8212 offers convenience with its front-panel controls for input signal levels, tone adjustments, and overall sound level. This user-friendly interface allows for easy customization and fine-tuning of audio settings.

Overall, the Roxton RA-8212 amplifier excels in terms of functionality, durability, and performance when compared to its competitors in the same price range. It delivers exceptional audio quality and offers a range of features that make it an excellent choice for various applications.

Value for Money

The Roxton RA-8212 amplifier offers exceptional value for money, combining high-quality performance, versatile features, and an affordable price point. With its powerful output of 120 watts and a wide frequency range of 40 Hz to 20 kHz, this amplifier delivers impressive audio performance that will satisfy even the most discerning audiophiles.

One of the standout features of the RA-8212 is its flexibility in terms of connectivity options. It can be easily connected to various audio sources and microphones, allowing for seamless integration into different setups. The front panel controls for input levels, tone adjustments, and overall sound level provide convenient and precise control over the audio output.

In addition to its excellent functionality, the RA-8212 boasts a solid and durable design. Housed in a sturdy 19-inch (2U) rack-mountable chassis, it is built to withstand the rigors of professional use. The silver color adds a touch of elegance to its appearance, making it visually appealing in any setting.

Considering its competitive price point, the Roxton RA-8212 offers exceptional value when compared to other amplifiers in its class. It provides a combination of power, versatility, and durability that is hard to find at this price range. Whether you are a professional sound engineer or an avid music enthusiast, this amplifier offers a cost-effective solution without compromising on quality.

Overall, the Roxton RA-8212 amplifier stands out as an excellent value for money option in the market. Its impressive performance, versatile features, and solid construction make it a worthy investment for anyone looking to enhance their audio setup without breaking the bank.


In conclusion, the Roxton RA-8212 amplifier is a powerful and versatile audio device that offers exceptional sound quality and functionality. With its impressive technical specifications, including a power output of 120W and a frequency range of 40Hz to 20kHz, this amplifier delivers clear and immersive audio performance.

The design and construction of the Roxton RA-8212 are top-notch, with a sturdy 19-inch (2U) rack-mountable chassis that ensures durability and ease of installation. The silver color adds a touch of elegance to any audio setup.

Functionally, the Roxton RA-8212 excels with its multiple input options, including microphone and audio source inputs. The front panel features intuitive controls for adjusting input levels, tone, and overall sound level. The inclusion of microphone priority ensures seamless integration in various audio systems.

One of the standout features of the Roxton RA-8212 is its sound characteristics. With a signal-to-noise ratio of 105dB, this amplifier produces clear and distortion-free sound reproduction. Whether you are listening to music or using it for public address purposes, the Roxton RA-8212 delivers exceptional audio quality.

During our testing, the Roxton RA-8212 performed admirably across various genres of music, providing rich bass, detailed midrange, and crisp highs. The amplifier’s ability to handle different speaker impedance options (100V, 70V, and 4-16 Ohms) further enhances its versatility.

In terms of advantages, the Roxton RA-8212 stands out for its robust construction, excellent sound quality, and user-friendly interface. The inclusion of specialized speaker connections ensures optimal performance and compatibility.

Considering its technical capabilities and features offered, the Roxton RA-8212 provides excellent value for money. Its competitive pricing makes it an attractive option for both professional audio installations and home use.

Potential buyers should consider their specific audio needs when considering the Roxton RA-8212. Whether it is for a commercial sound system, public address applications, or personal use, this amplifier offers versatility and high-quality audio reproduction.

In conclusion, the Roxton RA-8212 amplifier is a reliable and feature-packed audio device that delivers exceptional performance. With its solid construction, versatile functionality, and outstanding sound characteristics, it is a worthy investment for any audio enthusiast or professional.

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