When the Questyle M18i was announced, it felt like the audio world just got a bit more exciting. This isn't just another dongle DAC; it's a game-changer for those of us who crave high-fidelity sound on the go.

The M18i is designed to be the ultimate portable DAC and headphone amplifier, compatible with smartphones, tablets, computers, and even gaming consoles. At its core is Questyle's proprietary TTA (Three-Tier Architecture) decoding system, supporting PCM playback up to 32-bit/384kHz and native DSD up to DSD256. That means it's capable of delivering incredibly detailed and nuanced audio, letting you hear your music the way it was meant to be heard.

One of the standout features is its seamless integration with Apple devices, thanks to Apple MFi certification. For iPhone and iPad users, this means plug-and-play compatibility without any hiccups. But the M18i doesn't stop there; it also boasts Bluetooth 5.4 connectivity with support for high-resolution codecs like LDAC, aptX Adaptive, aptX HD, and the new LE Audio standard. Powered by Qualcomm Snapdragon Sound and Sony LDAC technologies, wireless audio transmission maintains exceptional quality, even over Bluetooth.

For headphone enthusiasts, the M18i offers both a 3.5mm single-ended output and a 4.4mm balanced output. Whether you're using your trusty everyday headphones or a pair of high-end IEMs, the M18i has you covered. The manual gain control allows for precise volume adjustments, accommodating various headphones and listening preferences.

Under the hood, the M18i employs a dual-module amplification system operating in a "current feedback" mode, achieving an impressively low distortion rate of just 0.0002%. This setup ensures a clean and transparent sound reproduction, with a noise floor lower than -130dB. The dual ESS ES9219Q DAC chips handle the digital-to-analog conversion with finesse, while the 16-core XMOS XU316 platform ensures broad compatibility across Windows, macOS, Android, and HarmonyOS devices, all without the need for additional drivers.

In terms of usability, the inclusion of an Infineon microphone with Qualcomm ClearVoiceCapture technology means voice calls are clear, reducing background noise effectively. The M18i’s built-in rechargeable 500mAh battery provides around four hours of playback, so it won't drain your phone's battery during extended listening sessions.

Here are the key specifications:

- **Output Interfaces**: 3.5mm single-ended, 4.4mm balanced
- **Output Power**: 28 mW @ 300Ω (4.4mm balanced)
- **Frequency Response**: ±0.1 dB (20Hz–20kHz); ±2 dB (20Hz–80kHz)
- **Distortion (THD+N)**: 0.0002%
- **DAC Chips**: Dual ESS ES9219Q
- **Body Material**: CNC-machined anodized aluminum
- **Dimensions**: 75 × 35 × 14.5 mm
- **Color**: Tech Black
- **Compatibility**: Android 5.0+, Windows 10.1.8.3+, macOS, iOS (requires LTC02 adapter for Lightning)
- **Bluetooth Version**: 5.4
- **Supported Codecs**: AAC, SBC, aptX, aptX HD, aptX Adaptive, LDAC, LE Audio
- **Microphone**: Infineon with Qualcomm ClearVoiceCapture
- **Battery**: 500 mAh

At a price point of $350, the Questyle M18i positions itself as a versatile and high-quality solution for mobile audiophiles. It's not just about amplification; it's about delivering studio-quality sound wherever you go. For those who have been waiting for a portable DAC/amp that doesn't compromise on features or sound quality, the M18i might just be the answer.

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Introducing the Questyle M18i Portable DAC and Amplifier

Questyle M18i Portable DAC and Headphone Amplifier Featuring Dual ESS ES9219Q DACs, Balanced Output, and Bluetooth 5.4


The term "remastered" often captures the attention and imagination of audiophiles and casual listeners alike. The promise of a cleaner, richer, and more detailed sound experience is compelling. However, remastering is a complex process that can either enhance or deteriorate the quality of an audio track. It's essential to understand what remastering entails and how to sift through the good, the bad, and the ugly of remastered versions.

### The Good, The Bad, and The Ugly of Remasters

#### The Process of Remastering

Remastering involves taking original audio tapes and transferring them to a digital format. The process can correct errors, improve sound quality, and sometimes even add new elements. However, these improvements are not guaranteed; the end result is contingent on the skill and intent of the engineers.

#### The Loudness War

One of the most contentious issues surrounding remasters is the so-called "loudness war." This refers to the tendency of producers to compress the dynamic range of a track to make it as loud as possible, sacrificing audio quality for volume. This can be especially jarring for audiophiles who have high-end equipment capable of capturing a wide dynamic range.

#### The "Sacriligious" Alterations

Beyond the loudness war, some remasters take the liberty of altering the original tracks in ways that many consider disrespectful to the original work. The use of auto-tune on classic vocal performances or changing the instrumentation are examples of these kinds of alterations.

### Vintage Pressings and Audiophile Labels

#### The Allure of Original Pressings

For those cautious of the possible pitfalls in remastered versions, vintage pressings—especially from periods like the early '80s—are highly prized. These pressings were often made with a greater dynamic range and are generally considered to offer a more authentic listening experience.

#### Specialty Audiophile Labels

Companies like MoFi (Mobile Fidelity Sound Lab) specialize in high-quality remastering that respects the original audio. They often use the original master tapes and employ meticulous care in the remastering process, making them a preferred choice for audiophiles.

### The Role of Equipment

The equipment used for playback can significantly affect how a remastered track sounds. Higher-end equipment can make a poor remaster sound decent, or a good remaster sound extraordinary. For example, using a quality DAC and network streamer like the Eversolo DMP-A6 can dramatically improve your listening experience.

### Conclusion

In the intricate world of audio remastering, not all remasters are created equal. For audiophiles and discerning listeners, the key is to sift through the multitude of options to find those that respect and enhance the essence of the original recording. Whether you find solace in vintage pressings or place your trust in reputable audiophile labels, understanding the nuances of remastering can help you make informed choices that elevate your auditory experience.

Photo montage showcasing a vintage vinyl record on the left and a digital audio workstation on the right.

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The Complex World of Audio Remastering

Delve into the intricacies of audio remastering. Learn what makes a remaster truly great, how to navigate the pitfalls of poor remasters, and discover the role of equipment in shaping your auditory experience.


Two iconic Italian brands, Sonus faber and Maserati, have joined forces to deliver an audio experience as luxurious as a cruise in a GranTurismo. Enter the Amati Folgore: a special edition speaker designed to marry the epitome of sound fidelity with Italian craftsmanship. This collaboration extends beyond just an audio equipment release; it signifies a harmonious blend of innovation, sustainability, and acoustic brilliance.

## Unparalleled Listening Experience

The Amati Folgore represents Sonus faber's unmatched dedication to sound quality. The speaker is a fifth-generation model in the Amati series and is color-coded in Rame Folgore, akin to the Maserati GranTurismo. The intention is not merely to create a speaker but an "unparalleled listening experience," reflecting the grandeur of the Maserati GranTurismo.

## The Genius Behind Materials

The speaker's front panel is made of ECONYL®, a unique material derived from recycled nylon waste. This eco-friendly material has also been used in Maserati's GranTurismo Folgore, marking it the first time ECONYL® is used in a car. The material undergoes an aesthetic transformation, achieving a highly matte surface with a parametric design, all thanks to a specialized laser processing technique.

## Seamless and Refined Aesthetic

The speaker cabinet exhibits the Maserati trident and is dressed in the same GT Folgore finish as the car. The Rame Folgore color is a result of meticulous research on the interaction between light and color. Influenced by modern architecture, especially the Guggenheim Museum in Bilbao, the design evolves, capturing different hues as it interacts with the lighting of the surrounding environment.

## Technical Mastery

But what's a gorgeous speaker without outstanding sound? The Amati Folgore is not just a pretty face; it's a marvel of acoustic engineering. Its 3.5-way speaker system is finely tuned, with a 28mm tweeter, a 150mm midrange, and two 220mm woofers. This produces a frequency response range from 28 Hz to 35,000 Hz, and a nominal impedance of 4 ohms.

## Sustainability Meets Craftsmanship

Sonus faber is known for its commitment to the art of sound engineering. Each speaker undergoes rigorous testing, followed by hand tuning to perfect its natural sound. This commitment to acoustic purity has been carried through into the development of the Amati Folgore Special Edition, creating a listening experience that not only pleases the ear but also respects the planet.

## An Iconic Collaboration

The Amati Folgore represents a unification of Maserati's boldness with Sonus faber's history of technical innovation. The Maserati logo is thoughtfully integrated within Sonus faber’s renowned VOS (Voice of Sonus faber), symbolizing the unity of two iconic Italian brands.

## Conclusion: The Future of High-Quality Audio

While the Amati Folgore is already an incredible milestone, it is just the beginning of an exciting adventure into the future of high-fidelity audio. As both brands continue to push boundaries, audio enthusiasts can anticipate more breathtaking innovations in the future.

A Maserati-inspired high-fidelity floor-standing speaker by Sonus Faber, part of the Amati Folgore collection, showcasing a sleek dark finish.

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A close-up view of the top corner of a Sonus Faber speaker, featuring a delicately engraved emblem resembling a stylized triad of arrows or sails

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"A detailed view of a Sonus Faber speaker showcasing its intricately designed front panel. Prominently featured is a uniquely shaped mid-range driver with the signature 'SF' logo at its center

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Pair of Sonus Faber Amati Folgore speakers showcasing Italian high-fidelity craftsmanshi

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Maserati Limited Edition Sonus Faber speaker, made in Italy

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Sonus faber speaker detail showcasing the woven pattern and branded emblem.

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Italian Elegance and Hi-End: The Sonus Faber & Maserati Amati Folgore

Sonus Faber is a brand that specializes in high-end audio products like speakers. They are known for their exceptional craftsmanship and attention to detail in creating both aesthetically beautiful and sonically superior audio equipment.

Sonus Faber

Experience unparalleled luxury and extraordinary sound quality with the special edition Amati Folgore speakers by Sonus faber, in collaboration with Maserati. Explore the craftsmanship, innovation, and sustainable materials that make this speaker a masterpiece of audio engineering.

The Sonus Faber Amati is a high-end loudspeaker that embodies the craftsmanship and acoustic engineering of Italian audio design. The speaker features a striking cabinet that is often constructed from laminated wood, providing not only aesthetic appeal but also resonance control. The Amati typically utilizes a combination of cone and ribbon transducers to achieve a wide frequency response and exceptional sound clarity. The design often incorporates advanced technologies such as D.A.D. (Double Acoustic Dome) drivers and a complex crossover network that enhances the listening experience. The speaker's frequency response generally ranges from 30 Hz to 40 kHz, delivering deep bass and detailed highs. The sensitivity is often rated around 90 dB, making it compatible with a variety of amplifiers. The speaker stands on a sturdy base, which may feature adjustable spikes for improved stability and isolation. Overall, the Sonus Faber Amati is designed to offer an immersive audio experience, driven by both aesthetic and acoustic principles.

Amati


In the world of high-fidelity audio, the union of an amplifier and a speaker system is akin to a carefully choreographed dance. Each component, mastering its own role, seeks to complement the other—ultimately culminating in an experience that transcends mere sound into the realm of sonic artistry. While a plethora of articles, debates, and tech talks have muddied the waters around the topic of amplifier power versus speaker capabilities, it's crucial to cut through the noise for a nuanced understanding. Let's unpack this complicated relationship for audiophiles and casual listeners alike, making the narrative universally accessible but richly detailed.

## The Endless Debate: Power Dynamics in Amplifier-Speaker Pairing

The first thing to grasp is that there are two prevailing ideologies in this arena:

1.  **Amplifier Power > Speaker Power**: Advocates for this approach argue that an amplifier with greater power than the speaker can handle offers better audio quality.
    
2.  **Speaker Power > Amplifier Power**: The counterargument suggests that having speakers that can withstand more power than the amplifier can produce offers a safety net for the speakers.
    

### The High-Powered Amplifier Approach: The Dynamics and Dangers

**Pros**:

-   **Extended Dynamic Range**: The added power reserve lets your amplifier gracefully manage the ebbs and flows of musical dynamics. Imagine listening to a classical piece; the pizzicato strings would remain crisp, and the fortissimo climax would hit you without distorting.
    
-   **Reduced Clipping**: A more potent amplifier seldom pushes its boundaries, reducing the odds of hitting the dreaded "clipping" stage, which can cause permanent speaker damage.
    

**Cons**:

-   **The Peril of Overpower**: If an amplifier sends an overpowering signal, it could cook the voice coils of your speaker, causing irreparable damage.
    
-   **Budget Concerns**: High-wattage amplifiers can become a monetary black hole, especially if you aren't planning to use the added power.
    

### The Speaker-Heavy Equation: The Cautions and Cost-Effectiveness

**Pros**:

-   **Speaker Longevity**: If your amplifier cannot produce power exceeding your speakers' capabilities, the risk of damaging the speakers diminishes.
    
-   **Economical**: Generally, less powerful amplifiers are lighter on the wallet, an attractive option for budget-conscious listeners.
    

**Cons**:

-   **Clipping Risks**: Lower-wattage amplifiers risk clipping when pushed, leading to distortion—a mortal enemy to both speakers and audiophile sensibilities.
    
-   **Volume Constraints**: If you're hosting an outdoor party or have a large listening space, a lower-wattage system might not cut it.
    

## Time to Damage: A Red Alert for Audiophiles

It's not just the theoretical risk that should worry you; real-world damage can happen quicker than you think. An overdriven amplifier can cause distortion, and even brief exposure to such unclean signals can wear down your speakers. So, the golden rule? Turn down the volume at the first sign of audio discomfort.

## Beyond Wattage: Sensitivity and Impedance

In audio, wattage is just the tip of the iceberg.

-   **Sensitivity**: Expressed in dB/W/m, this metric indicates how loud a speaker will sound for a given power input. Hence, a high-sensitivity speaker powered by a low-wattage amplifier could potentially outperform a low-sensitivity, high-wattage counterpart.
    
-   **Impedance**: Given in ohms, impedance essentially tells you how much electrical resistance a speaker offers. Misaligned impedance between the amp and speakers can result in energy waste and possible damage.
    

## Universal Accessibility: The Amplifier in the Modern Age

Here's the kicker: Modern amplifiers, built with precision engineering, are generally forgiving. They are designed to operate efficiently, providing a consistent power curve that makes it easier for users globally to set up systems without an advanced engineering degree.

## Conclusion: A Balanced Harmony

The dialogue between amplifier power and speaker capabilities is indeed complex, but it's not unapproachable. By understanding these various elements, you're not just making an informed choice; you're making a statement about the quality of sonic experience you desire. Whether you're listening to music in a tiny apartment or setting up a home theater, the key is to find that sweet spot where your amplifier and speakers dance in perfect harmony.

a close-up view of a vintage amplifier, spotlighting two knobs VOLUME and BALANCE.

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Striking the Balance: Amplifier Power vs. Speaker Capabilities

Your go-to resource for mastering the balance between amplifier power and speaker capabilities. From the science of sensitivity to the risks of overpowering

Introducing the Questyle M18i Portable DAC and Amplifier

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The Complex World of Audio Remastering

Italian Elegance and Hi-End: The Sonus Faber & Maserati Amati Folgore

Striking the Balance: Amplifier Power vs. Speaker Capabilities