Sherwood RX-4508: Elevating Audio Excellence


In today’s ever-evolving world of audio technology, where digital systems and complex home theater setups dominate the market, there is a growing resurgence of interest in the simplicity and clarity of stereo sound. Recognizing this trend, Sherwood, a company with a rich heritage spanning 60 years, has released their latest Hi-Fi components to meet the demand for quality stereo sound. Among these offerings is the Sherwood RX-4508 amplifier, designed to deliver exceptional audio performance and versatility.

As music enthusiasts and audiophiles alike rediscover the timeless allure of vinyl records and the purest form of stereo sound reproduction, the need for a high-quality amplifier becomes paramount. The Sherwood RX-4508 aims to fulfill this need by combining classic design principles with modern features that cater to contemporary listeners.

In this comprehensive review, we will delve into every aspect of the Sherwood RX-4508 amplifier, exploring its technical specifications, design and construction, functionality, sound characteristics, performance, advantages, value for money, and ultimately draw our conclusion on its overall performance. So let us embark on this sonic journey as we uncover the capabilities and potential of the Sherwood RX-4508 amplifier.

Technical Specifications

The Sherwood RX-4508 amplifier offers impressive technical specifications that contribute to its exceptional audio performance. With a power output of 100 watts per channel at 8 ohms, this amplifier delivers robust and dynamic sound reproduction.

In terms of sound quality, the Sherwood RX-4508 boasts a signal-to-noise ratio (SNR) of 93 dB, ensuring clear and distortion-free audio playback. The low total harmonic distortion (THD) of 1% further enhances the fidelity of the sound, allowing for accurate reproduction of music across various genres.

The amplifier features a range of inputs and outputs to accommodate different audio sources. It includes three RCA line-level inputs, allowing you to connect multiple devices such as CD players, turntables, or media players. Additionally, it supports two pairs of speakers, providing flexibility in configuring your audio setup.

The Sherwood RX-4508 also comes equipped with a built-in phono preamp, enabling direct connection to a turntable without the need for an external preamp. This feature is particularly appealing for vinyl enthusiasts who want to enjoy their record collection with ease.

With regards to frequency response, this amplifier covers a wide range from 40 Hz to 20 kHz. This ensures that both low and high-frequency sounds are faithfully reproduced, resulting in a balanced and immersive listening experience. The impedance compatibility of 8 ohms allows for seamless integration with most speakers on the market.

In summary, the Sherwood RX-4508 offers impressive technical specifications that contribute to its stellar audio performance. With its powerful output, low distortion levels, versatile connectivity options, and wide frequency response range, this amplifier is sure to satisfy even the most discerning audiophiles.

Design and Construction

The Sherwood RX-4508 amplifier boasts a sleek and modern design that will seamlessly blend into any audio setup. With its compact dimensions of 141mm in height, 435mm in width, and 375mm in depth, it is easy to find a suitable spot for this amplifier in your entertainment area. The amplifier’s black color adds a touch of elegance and sophistication.

In terms of construction, the Sherwood RX-4508 is built with high-quality materials that ensure durability and longevity. The sturdy chassis and robust build quality indicate a well-engineered product. The attention to detail is evident in every aspect of its design.

One notable design feature is the incorporation of efficient cooling mechanisms. The amplifier is equipped with ventilation slots on the top and sides, allowing for proper airflow and heat dissipation. This ensures that the amplifier operates at optimal temperatures, preventing overheating and potential damage.

Additionally, the Sherwood RX-4508 is designed to minimize interference and maintain signal integrity. The careful placement of internal components helps reduce electromagnetic interference, resulting in clean and distortion-free audio reproduction.

The connectors and switches on the amplifier are of excellent quality, further enhancing its overall design. The RCA inputs and outputs are solidly built, providing secure connections for your audio devices. The switches have a satisfying tactile feel and are easy to operate, ensuring convenience during use.

Overall, the design and construction of the Sherwood RX-4508 amplifier showcase a thoughtful approach to aesthetics and functionality. Its sleek appearance, durable materials, efficient cooling system, and high-quality connectors make it a reliable and visually appealing addition to any audio setup.


The Sherwood RX-4508 amplifier offers a wide range of functionality, making it versatile and convenient for various audio setups. It provides multiple connectivity options, allowing you to connect different audio sources such as CD players, computers, smartphones, and more. With three RCA inputs, you can easily connect your devices and enjoy your favorite music.

In addition to its connectivity options, the amplifier also features balance controls and tone adjustments. This allows you to fine-tune the sound according to your preferences and create a personalized listening experience. Whether you prefer a bass-heavy sound or a more balanced output, the Sherwood RX-4508 gives you the flexibility to adjust the audio settings to suit your taste.

Furthermore, this amplifier offers various operating modes that enhance its functionality. It includes a built-in Phono preamp for direct connection to a turntable, allowing you to enjoy the warm and rich sound of vinyl records. The presence of an AM/FM radio with RDS functionality adds another dimension to this amplifier, providing access to your favorite radio stations.

The Sherwood RX-4508 also comes equipped with Bluetooth technology, enabling wireless streaming of digital music from compatible devices. This feature allows you to easily connect your smartphone or tablet and enjoy your music without the hassle of cables.

Overall, the functionality of the Sherwood RX-4508 is impressive and caters to the needs of modern audio enthusiasts. Its wide range of connectivity options, balance controls, tone adjustments, and operating modes make it a versatile amplifier that can adapt to various audio setups and personal preferences.

Sound Characteristics

The Sherwood RX-4508 amplifier delivers impressive sound characteristics that will captivate any audiophile. With its powerful stereo amplifier and advanced technology, this amplifier ensures a high-quality audio experience.

One of the standout features of the RX-4508 is its ability to provide exceptional detail in sound reproduction. The amplifier allows for precise 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 RX-4508 ensures that every note and nuance is faithfully reproduced.

The bass response of this amplifier is truly remarkable. It delivers deep, punchy bass that adds depth and richness to your music. Whether you’re listening to electronic dance music or a bass-heavy hip-hop track, the RX-4508 ensures that you can feel the impact of every beat.

In terms of treble clarity, the RX-4508 excels in delivering crisp and clear high frequencies. The amplifier ensures that every cymbal crash, guitar solo, or vocal harmony is reproduced with stunning clarity and definition. The treble range is well-balanced and never harsh or fatiguing, allowing for hours of enjoyable listening without any listener fatigue.

When it comes to overall sound presentation, the RX-4508 creates a wide and immersive soundstage. It has the ability to fill the room with sound, providing an enveloping listening experience. Whether you’re sitting right in front of the speakers or across the room, the RX-4508 ensures that you can enjoy a spacious and realistic soundstage.

Furthermore, this amplifier excels in handling various music genres. From classical orchestral pieces to rock anthems and everything in between, the RX-4508 brings out the best in each genre. It accurately reproduces the dynamics and nuances of different musical styles, allowing you to fully immerse yourself in your favorite music.

Overall, the Sherwood RX-4508 amplifier impresses with its exceptional sound characteristics. It delivers detailed sound reproduction, powerful bass response, clear treble clarity, and an immersive soundstage. Regardless of the music genre you prefer, the RX-4508 ensures a captivating and enjoyable listening experience.

Sound Performance

The Sherwood RX-4508 amplifier delivers an exceptional sound performance that will transport you into a captivating auditory experience. With its powerful stereo amplifier, this device faithfully reproduces audio signals with remarkable clarity, dynamics, and tonal balance across the entire frequency range.

One of the standout features of the RX-4508 is its ability to maintain clarity and detail even at high volumes. Whether you’re listening to delicate classical compositions or energetic rock anthems, this amplifier ensures that every instrument and vocal is reproduced with precision and accuracy. The soundstage created by the RX-4508 is wide and immersive, allowing you to feel like you’re in the midst of a live performance.

The amplifier’s handling of different frequency ranges is particularly impressive. The low frequencies are tight and well-defined, providing a solid foundation for bass-heavy tracks without overwhelming the rest of the audio spectrum. The mid-range frequencies are rich and warm, allowing vocals and instruments to shine with natural timbre and presence. The high frequencies are crisp and detailed, adding sparkle and airiness to the overall sound.

What sets the RX-4508 apart is its ability to maintain a balanced sound signature across all genres of music. Whether you’re listening to jazz, pop, classical, or heavy metal, this amplifier ensures that each genre is reproduced with the appropriate tonal characteristics. It doesn’t favor any particular frequency range, resulting in a well-rounded sound that caters to all music lovers.

Furthermore, the RX-4508 excels at delivering dynamics in music. From soft whispers to explosive crescendos, this amplifier effortlessly captures the subtle nuances and energy in every musical passage. This dynamic range adds depth and excitement to your listening experience, making every song come alive.

In conclusion, the Sherwood RX-4508 amplifier offers an outstanding sound performance that will impress even the most discerning audiophiles. Its ability to faithfully reproduce audio signals with clarity, dynamics, and tonal balance across different frequency ranges is truly remarkable. Whether you’re a music enthusiast or a casual listener, the RX-4508 will elevate your audio experience to new heights.


The Sherwood RX-4508 amplifier offers several notable advantages that set it apart from its competitors in the market. Firstly, its powerful stereo amplifier, built using the Discrete Amplifier Stage (DAS) technology, delivers a remarkable 2x100W of power output at 8 ohms. This ensures a robust and dynamic audio performance with minimal distortion (less than 0.08%), allowing for an immersive listening experience.

One standout feature of the RX-4508 is its built-in Bluetooth module, enabling seamless wireless streaming of digital music from compatible devices. This functionality adds a modern touch to the amplifier’s classic stereo design, making it a versatile choice for contemporary users who appreciate the convenience of wireless connectivity.

Additionally, the inclusion of a Phono MM-type preamp allows direct connection to a turntable, making it easy for vinyl enthusiasts to enjoy their record collection with exceptional clarity and fidelity. This feature is not commonly found in amplifiers within this price range, giving the RX-4508 a distinct advantage.

Comparing the RX-4508 with other models in its price range, it stands out for its comprehensive range of connectivity options. With three RCA inputs and two RCA outputs, users have the flexibility to connect multiple audio sources and even use the amplifier as a preamp or power amp in their setup. The ability to connect two pairs of speakers further enhances versatility and allows for multi-room audio distribution.

Furthermore, the RX-4508 boasts an impressive signal-to-noise ratio of 93dB, ensuring clean and clear sound reproduction across the entire frequency range (40Hz – 20kHz). This level of performance is particularly commendable considering the amplifier’s affordable price point.

Overall, the Sherwood RX-4508 amplifier offers a compelling combination of power, versatility, and modern features at an attractive price. Its robust construction, extensive connectivity options, and exceptional audio performance make it a standout choice in the market. Whether you are a vinyl enthusiast, a music lover seeking wireless connectivity, or simply looking for a reliable and powerful stereo amplifier, the RX-4508 delivers on all fronts, making it a worthy investment for any audio setup.

Value for Money

The Sherwood RX-4508 amplifier offers exceptional value for money with its impressive performance, extensive features, and reasonable price. When considering the overall package, it is clear that this amplifier provides a high-quality audio experience without breaking the bank.

In terms of performance, the RX-4508 delivers powerful sound with its 2x100W output on an 8-ohm load. The low distortion levels of less than 0.08% ensure a clean and accurate sound reproduction across the entire frequency range of 20Hz to 20kHz. This amplifier is capable of driving even demanding speakers with ease, providing a dynamic and immersive listening experience.

The extensive range of features further enhances the value of the RX-4508. It comes equipped with a built-in AM/FM radio receiver with RDS functionality and memory presets for convenient tuning. Additionally, the inclusion of a phono correction stage allows direct connection to a turntable, catering to vinyl enthusiasts.

One notable feature that adds value to the RX-4508 is its Bluetooth connectivity. With Bluetooth v3.0 (A2DP, AVRCP / aptX), users can easily stream their favorite music wirelessly from compatible devices, adding convenience and versatility to their audio setup.

Considering its technical specifications, design quality, and functionality, the Sherwood RX-4508 amplifier offers exceptional value for its price range. It competes favorably with higher-priced amplifiers in terms of performance and features while remaining accessible to a wider audience.

Whether you are an audiophile seeking high-fidelity sound or someone looking to upgrade their home audio system, the Sherwood RX-4508 provides an excellent balance between performance and affordability. Its combination of power, versatility, and functionality makes it a compelling choice for those seeking a reliable and feature-rich amplifier without breaking the bank.

In conclusion, the Sherwood RX-4508 amplifier offers remarkable value for money. Its powerful performance, extensive features, and reasonable price make it a standout option in the market. Whether you are a music enthusiast or a casual listener, this amplifier delivers impressive sound quality and functionality without compromising your budget.


In conclusion, the Sherwood RX-4508 amplifier is a powerful and versatile stereo receiver that offers exceptional audio performance and a wide range of features. With its sleek design and solid construction, it is a reliable choice for any audiophile or music enthusiast.

The amplifier’s technical specifications showcase its impressive capabilities. With a power output of 100 watts per channel at 8 ohms, it delivers clear and dynamic sound across the entire frequency range. The signal-to-noise ratio of 93 dB ensures minimal background noise, allowing for a truly immersive listening experience.

The Sherwood RX-4508’s functionality is another standout feature. It comes with a comprehensive remote control for easy operation and convenience. The built-in AM/FM radio with RDS functionality adds versatility to the amplifier, while the phono input allows direct connection to a turntable for vinyl enthusiasts. Additionally, the Bluetooth module enables wireless streaming of digital music from compatible devices.

When it comes to sound characteristics, the Sherwood RX-4508 excels in reproducing accurate and detailed audio. The discrete amplifier stage technology ensures minimal distortion and maximum clarity, making every note and instrument come alive. Whether you’re listening to classical music or rocking out to your favorite band, this amplifier delivers an immersive and enjoyable sound experience.

In terms of sound performance, the Sherwood RX-4508 truly shines. Its powerful output drives speakers with ease, producing rich bass, crisp highs, and well-defined midrange frequencies. The amplifier’s ability to handle a wide range of musical genres makes it suitable for various listening preferences.

One of the notable advantages of the Sherwood RX-4508 is its value for money. With its competitive price point compared to other amplifiers in its class, it offers exceptional performance without breaking the bank. The inclusion of features like Bluetooth connectivity and a phono input further enhances its value proposition.

For potential buyers seeking a reliable stereo receiver with excellent sound quality and versatility, the Sherwood RX-4508 is a solid choice. Whether you’re a vinyl enthusiast looking to connect your turntable or someone who wants to stream music wirelessly, this amplifier offers the perfect balance of functionality and performance.

In conclusion, the Sherwood RX-4508 amplifier delivers on its promises of exceptional audio performance, versatile functionality, and solid construction. With its powerful output, accurate sound reproduction, and value for money, it is a worthy investment for any music lover. Whether you’re setting up a dedicated stereo system or upgrading your existing setup, the Sherwood RX-4508 will undoubtedly elevate your listening experience.

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