Luxman M-700u: Elevating Audio Excellence


In the world of audio enthusiasts, the pursuit of high-quality sound amplification is a never-ending quest. The right amplifier can make all the difference in delivering a truly immersive and captivating audio experience. Today, we delve into the realm of luxury amplifiers with the Luxman M-700u. This two-channel power amplifier is a testament to the craftsmanship and dedication that Luxman brings to their products.

The Luxman M-700u is designed to elevate your audio experience to new heights. With its sleek and timeless design, featuring a minimalist front panel adorned with arrow-shaped signal level indicators, it exudes elegance and sophistication. But it’s not just about aesthetics – this amplifier is packed with cutting-edge technology and features that ensure exceptional performance.

In this review, we will explore the technical specifications, design and construction, functionality, sound characteristics, sound performance, advantages, value for money, and ultimately provide a comprehensive conclusion on the Luxman M-700u amplifier. So sit back, relax, and let’s dive into the world of high-fidelity sound amplification with Luxman.

Technical Specifications

The Luxman M-700u amplifier is a powerful and versatile audio device. It boasts impressive technical specifications that contribute to its exceptional performance.

With a power output of 210 watts per channel at 4 ohms and 120 watts per channel at 8 ohms, the Luxman M-700u delivers ample power to drive even demanding speaker systems. This amplifier operates in Class AB, which combines the efficiency of Class B amplifiers with the low distortion characteristics of Class A amplifiers, resulting in a balanced and dynamic sound reproduction.

The signal-to-noise ratio (SNR) of 115 dB ensures that the amplifier produces minimal background noise, allowing for clear and detailed audio playback. Additionally, the total harmonic distortion (THD) is impressively low at 0.009%, ensuring accurate and faithful reproduction of the original audio signal.

The Luxman M-700u offers a variety of inputs and outputs to accommodate different audio sources. It features one XLR analog input and one RCA line input, providing flexibility in connecting various audio devices. The amplifier does not have built-in Wi-Fi or Bluetooth capabilities.

In terms of frequency response, the Luxman M-700u covers a wide range from 1 Hz to 130,000 Hz, allowing for accurate reproduction of both low and high-frequency sounds. This ensures that no detail is lost in the audio playback. The amplifier supports speakers with impedance as low as 1 ohm, making it compatible with a wide range of speaker configurations.

Overall, the Luxman M-700u’s technical specifications demonstrate its capability to deliver powerful and high-quality audio performance. Whether you are listening to music or watching movies, this amplifier provides a solid foundation for an immersive and enjoyable audio experience.

Design and Construction

The Luxman M-700u amplifier boasts a classic design that is synonymous with the brand, featuring a sleek and minimalist front panel. The standout feature of the front panel is the arrow-shaped signal level indicators, adding a touch of elegance to the overall aesthetic.

In terms of construction, the M-700u is built upon the successful foundation of its predecessor, the M-600a. However, it incorporates Luxman’s latest version of their proprietary feedback technology, ODNF 4.0, which further reduces sound distortion. This amplifier also offers the option of bridged BTL (Bridge-Tied Load) mode for use with speakers that have complex impedance characteristics. Even in standard stereo mode, the M-700u can handle loads as low as one Ohm while delivering an impressive output power of 840 watts per channel.

The amplifier’s circuitry is designed with minimal components, all of which are of high quality and undergo mandatory factory testing by Luxman. The output stages of the Luxman M-700u operate in a push-pull configuration and are constructed using multiple parallel-connected bipolar transistors.

The power supply unit is based on a massive proprietary transformer, providing ample power to the amplifier. Separate power filters for the left and right channels ensure clean and stable power delivery. The double mono construction of the M-700u places each channel on separate printed circuit boards mounted directly on heat sinks located on either side of the chassis. The substantial radiator surface area, where the output transistors are mounted, eliminates the need for forced ventilation. It is important to position the Luxman M-700u in a way that allows for natural airflow from all sides.

Connectivity options include balanced and unbalanced inputs, conveniently controlled via buttons on the front panel. Switches on the rear panel enable users to engage bridged or stereo modes and invert input signal phase if necessary. The amplifier features large-diameter screw terminals for speaker connections, ensuring secure and reliable connections. Additionally, all contact surfaces of the connectors on the rear panel are gold-plated, further enhancing signal integrity.

The Luxman M-700u’s design not only exudes sophistication but also incorporates practical features. The efficient cooling system, known as ICTunnel, ensures optimal heat dissipation, preventing overheating and maintaining consistent performance. The amplifier’s construction also minimizes interference and noise, allowing for a clean and transparent audio reproduction.

Overall, the Luxman M-700u’s design and construction exemplify the brand’s commitment to quality and attention to detail. From its elegant appearance to its thoughtful cooling system and high-quality connectors, every aspect of this amplifier is meticulously crafted to deliver exceptional performance.


The Luxman M-700u amplifier offers a wide range of functionality, making it a versatile choice for audio enthusiasts. With its various connectivity options, you can easily connect different audio sources such as CD players, computers, smartphones, and more. The amplifier features both balanced and unbalanced inputs, allowing you to choose the connection method that suits your setup best.

In terms of operating modes, the Luxman M-700u provides flexibility with its ability to switch between stereo and bridged (BTL) modes. This is particularly useful when using speakers with complex impedance characteristics. Additionally, the amplifier offers the option to invert the phase of the input signal if needed.

While the Luxman M-700u does not include built-in Wi-Fi or Bluetooth capabilities, it compensates for this with its high-quality components and attention to detail. The presence of gold-plated contact surfaces on all connectors ensures optimal signal transmission and longevity.

One notable feature missing from the Luxman M-700u is an equalizer. However, this omission is compensated by the amplifier’s exceptional sound quality and precise reproduction of audio.

Overall, the Luxman M-700u’s functionality provides users with a seamless experience in connecting various audio sources and adjusting settings according to their preferences. Whether you are a casual listener or a dedicated audiophile, this amplifier offers versatility and ease of use without compromising on performance.

Sound Characteristics

The Luxman M-700u amplifier delivers a sound quality that is truly exceptional. It exhibits a level of detail and clarity that brings out the nuances in every piece of music. The instrument separation is outstanding, allowing each instrument to be heard with precision and accuracy.

One of the standout features of this amplifier is its bass response. The low-end reproduction is tight, controlled, and impactful, providing a solid foundation to the music without overpowering or muddying the other frequencies. Whether it’s the deep rumble of a bass guitar or the thumping beats of electronic music, the Luxman M-700u handles it with finesse.

The treble clarity is another highlight of this amplifier. The high frequencies are reproduced with remarkable precision and smoothness, ensuring that every cymbal crash and vocal sibilance is rendered accurately and without harshness. The level of detail in the highs adds an extra layer of realism to the listening experience.

In terms of overall sound presentation, the Luxman M-700u excels in creating a spacious and immersive soundstage. The sound feels open and expansive, allowing the listener to feel enveloped by the music. The imaging is precise, with instruments and vocals appearing in their rightful place within the sonic landscape.

When it comes to different music genres, the Luxman M-700u showcases its versatility. It effortlessly handles classical compositions, bringing out the delicate nuances of orchestral instruments with grace and finesse. In rock and pop genres, it delivers a dynamic and energetic performance, capturing the raw power and energy of electric guitars and drums.

For jazz enthusiasts, this amplifier shines in reproducing the intricate interplay between instruments, allowing each note to be heard distinctly while maintaining a cohesive musicality. Even for electronic music lovers, where deep bass lines and intricate synth textures are prevalent, the Luxman M-700u delivers a punchy and engaging experience.

Overall, the Luxman M-700u amplifier impresses with its exceptional sound characteristics. It offers a level of detail, instrument separation, and overall sound presentation that is truly captivating. Regardless of the music genre, this amplifier elevates the listening experience to new heights, making it a perfect choice for discerning audiophiles.

Sound Performance

The Luxman M-700u amplifier delivers a sound performance that is nothing short of exceptional. It has the ability to transport the listener into a captivating auditory experience, where every note and nuance is faithfully reproduced with astonishing clarity and precision.

One of the standout qualities of the Luxman M-700u is its ability to reproduce audio signals with incredible accuracy. The amplifier maintains a level of transparency that allows the original recording to shine through, ensuring that no detail is lost in the playback. Whether it’s the delicate plucking of guitar strings or the powerful crescendo of an orchestra, the Luxman M-700u captures every subtlety and delivers it with utmost precision.

The dynamics of this amplifier are truly impressive. It effortlessly handles both soft and loud passages, allowing for a wide dynamic range that adds depth and realism to the music. The transitions between different levels of volume are seamless and natural, providing a sense of liveliness and energy to the sound.

Furthermore, the Luxman M-700u excels in achieving a balanced tonal representation across different frequency ranges. The lows are tight and controlled, providing a solid foundation for the music without overpowering other elements. The midrange is rich and detailed, bringing vocals and instruments to life with remarkable clarity. The highs are crisp and extended, adding sparkle and airiness to the overall sound.

Regardless of the genre or type of music being played, the Luxman M-700u remains faithful to the original recording, ensuring an immersive listening experience that is both engaging and enjoyable. Its ability to accurately reproduce audio signals with such finesse sets it apart from many other amplifiers on the market.

In summary, the Luxman M-700u offers a sound performance that is truly remarkable. Its ability to faithfully reproduce audio signals with clarity, dynamics, and tonal balance across different frequency ranges is second to none. Whether you’re a discerning audiophile or simply someone who appreciates high-quality sound, the Luxman M-700u is sure to impress with its exceptional sound performance.


The Luxman M-700u amplifier offers several advantages that set it apart from its competitors. Firstly, its design and construction are top-notch, featuring a classic aesthetic with a sleek front panel adorned with arrow-shaped signal level indicators. This attention to detail not only enhances the visual appeal of the amplifier but also reflects the brand’s commitment to quality.

In terms of functionality, the Luxman M-700u excels with its versatile options. It provides both balanced and unbalanced inputs, allowing users to connect various audio sources. Additionally, the amplifier offers the convenience of two-channel and bridged (BTL) modes of operation, catering to different speaker configurations and impedance characteristics. The ability to invert the phase of the input signal further adds to its flexibility.

When it comes to sound performance, the Luxman M-700u truly shines. Thanks to its innovative ODNF 4.0 feedback system, this amplifier achieves remarkably low distortion levels, resulting in clean and accurate audio reproduction. Whether listening at low or high volumes, the Luxman M-700u delivers a dynamic and immersive sound experience that captivates listeners.

Compared to other models in its price range, the Luxman M-700u stands out for its exceptional build quality and attention to detail. The use of high-quality components and rigorous factory testing ensures reliability and longevity. Furthermore, the amplifier’s power output is impressive, capable of driving speakers with demanding impedance loads while maintaining excellent control and clarity.

In terms of value for money, the Luxman M-700u justifies its price tag with its superior performance and features. While it may be considered an investment for audiophiles and music enthusiasts, the amplifier’s exceptional sound quality and versatility make it worth every penny.

In conclusion, the Luxman M-700u amplifier offers a combination of outstanding design, functionality, and audio performance that surpasses its competitors in the market. With its sleek aesthetics, versatile connectivity options, and exceptional sound characteristics, this amplifier provides a truly immersive listening experience. It represents a worthwhile investment for those seeking high-quality audio reproduction and a reliable and long-lasting amplifier.

Value for Money

The Luxman M-700u amplifier offers exceptional value for money with its outstanding performance, impressive features, and reasonable price. When considering the quality of sound it delivers, combined with its robust construction and versatile functionality, this amplifier proves to be a worthwhile investment for both audio enthusiasts and professionals.

In terms of performance, the Luxman M-700u excels with its low distortion levels and high signal-to-noise ratio. The use of the ODNF 4.0 feedback system ensures minimal audio distortion, resulting in a clean and accurate sound reproduction. With a power output of 840 Watts per channel at a load impedance of one Ohm, this amplifier is capable of driving even the most demanding speakers with ease.

The amplifier’s design and construction further contribute to its value for money. The double mono construction and separate power supply filters for each channel ensure optimal channel separation and minimize interference between channels. The inclusion of high-quality components and meticulous factory testing guarantee reliable performance and longevity.

In terms of features, the Luxman M-700u offers a range of options to enhance the listening experience. The availability of both balanced and unbalanced inputs allows for versatile connectivity options, while the bridge-tied load (BTL) mode enables compatibility with speakers that have complex impedance characteristics. The presence of gold-plated connectors ensures optimal signal transfer and long-lasting connection reliability.

Considering its technical specifications, sound characteristics, design, and functionality, the Luxman M-700u amplifier offers excellent value for money. Priced reasonably compared to other amplifiers in its class, it provides an exceptional combination of performance and features that are typically found in higher-priced models.

Whether you are a discerning audiophile or a professional seeking reliable amplification for your audio setup, the Luxman M-700u delivers an impressive value proposition. Its exceptional sound quality, robust construction, versatile functionality, and reasonable price make it a compelling choice that exceeds expectations and justifies its investment.


In conclusion, the Luxman M-700u amplifier is an exceptional piece of audio equipment that offers a combination of impressive features, outstanding sound characteristics, and solid construction. With its classic design and sleek front panel adorned with signal level indicators, this amplifier exudes elegance and sophistication.

The technical specifications of the Luxman M-700u are impressive, with a power consumption of 370 watts and a signal-to-noise ratio of 115 dB. It offers both balanced and unbalanced inputs, allowing for versatile connectivity options. The amplifier also supports the bridged BTL mode for complex impedance speaker systems. The inclusion of the ODNF 4.0 feedback system further reduces distortion, ensuring a pristine audio experience.

The design and construction of the Luxman M-700u are top-notch. It features a dual mono configuration with separate circuit boards for each channel, mounted directly on heat sinks for efficient heat dissipation. The large radiator surfaces eliminate the need for forced ventilation, resulting in a quiet operation. The silver color adds a touch of elegance to any audio setup.

Functionally, the Luxman M-700u offers convenience with its included remote control and user-friendly interface. The presence of volume control allows users to fine-tune their listening experience easily. While it lacks certain features such as built-in DAC or Wi-Fi/Bluetooth connectivity, these omissions do not hinder its overall performance.

When it comes to sound characteristics, the Luxman M-700u truly shines. With minimal distortion levels of 0.009%, it delivers accurate and detailed sound reproduction across the entire frequency range from 1 Hz to 130 kHz. The amplifier’s ability to drive speakers with impedance as low as one Ohm demonstrates its prowess in handling demanding loads.

In terms of sound performance, the Luxman M-700u excels in delivering dynamic and powerful audio. Its output power of 210 watts per channel at 4 Ohms and 120 watts per channel at 8 Ohms ensures ample headroom for even the most demanding musical passages. The soundstage is wide and immersive, with precise instrument placement and a well-defined stereo image.

The Luxman M-700u offers several advantages that make it a standout amplifier in its price range. Its solid construction and high-quality components ensure durability and longevity. The inclusion of balanced inputs provides enhanced audio fidelity for those with compatible sources. The ability to connect two pairs of speakers adds flexibility to speaker setup options.

In terms of value for money, the Luxman M-700u is a worthy investment for audiophiles seeking an amplifier that delivers exceptional sound quality and reliability. While it may come at a higher price point, the performance and build quality justify the cost.

In conclusion, the Luxman M-700u amplifier is a remarkable audio device that combines elegant design, powerful performance, and impressive sound characteristics. Its technical specifications, construction, and functionality make it a top contender in the market. Whether you are a discerning audiophile or an enthusiast seeking high-fidelity audio reproduction, the Luxman M-700u will not disappoint. Consider this amplifier if you value exquisite sound quality, solid build, and timeless design in your audio setup.

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