This review delves into the TOPPING DX9, a high-end DAC/amp/preamp celebrating its 15th anniversary. We explore its design, build quality, and sonic performance, comparing it to competitors in its price bracket, particularly the Qstile CMA15. From its luxurious packaging and stunning aesthetic to its comprehensive connectivity and intuitive remote, the DX9 promises a premium audio experience. This in-depth analysis will examine whether the TOPPING DX9 lives up to the hype and deserves its reputation as a masterpiece.The review covers all key aspects, from the meticulous internal components visible through a transparent top panel, to the detailed sound signature characterized by warmth and musicality alongside exceptional clarity. We'll dissect its performance across various frequencies, highlighting its strengths and addressing any minor shortcomings. Ultimately, we aim to provide a comprehensive assessment to help discerning audiophiles decide if the TOPPING DX9 is the right high-end addition to their audio setup.
Pros And Cons
- Beautiful design
- High-quality internal components (R2R resistor ladder, multiple power supplies)
- Excellent sound quality, described as 'sweet as honey', 'texturally rich', 'tonally correct'
- Detailed and resolving sound
- Multiple output options (balanced and single-ended)
- Extensive connectivity options (various digital inputs, balanced outputs)
- Excellent remote control
- Versatile settings and options (including customizable displays, filters, gain)
- Good performance with various headphones (though some high-end headphones may be too bright)
- Volume knob feels plasticky and lightweight
- High gain setting can introduce noise and brightness
- Sub-bass performance may not be as impactful as with higher-end amplifiers
Read more: Fiio K11 R2R DAC/Amp Review: A Worthy Upgrade or Redundant Luxury?
Unboxing and First Impressions
The TOPPING DX9 arrived in a substantial box, promising a premium experience. Inside, nestled in velvet lining, was the unit itself, along with a high-quality remote and the necessary cables. The build quality feels exceptionally solid, justifying the price point. The initial aesthetic impression is stunning; it's easily one of the most beautiful audio components I've encountered.

The remote deserves special mention; it's beautifully designed and exceptionally responsive. The tactile feedback from the buttons is satisfying, making it a pleasure to use. It provides comprehensive control over the DX9's functions, eliminating the need to constantly interact with the unit itself.
Hardware Tour: A Feast for the Eyes
The TOPPING DX9's top panel is a stunning showcase of its internal components. A transparent window reveals the meticulously arranged R2R resistor ladder, volume pot, and other crucial elements. This design choice is both aesthetically pleasing and a testament to TOPPING's engineering prowess.

The rear panel is equally impressive, offering a comprehensive array of connectivity options, including balanced and single-ended outputs, multiple digital inputs (including USB, optical, coaxial, and AES/EBU), and even trigger inputs and outputs for system integration. This level of versatility ensures compatibility with a wide range of audio equipment.
Sound Quality: Musicality Meets Detail
The TOPPING DX9's sound signature is a departure from TOPPING's typically analytical sound. While maintaining clarity and detail, it exhibits a warmth and musicality that's truly captivating. The soundstage is impressively open and airy, with instruments and vocals positioned with precision.

The midrange is exceptionally holographic and natural-sounding, with vocals floating in the air. The treble is refined and delicate, devoid of harshness or brightness. The bass is weighty and controlled, extending surprisingly low, even without the 'knock' of the most powerful amplifiers.
Comparisons and Conclusion
Compared to other high-end DACs, such as the Qstile CMA15, the TOPPING DX9 offers a sweeter, more musical sound signature. While the CMA15 boasts slightly better bass extension and treble detail, the DX9's midrange and overall tonal balance are more appealing. The DX9 also wins in terms of build quality and aesthetics.

The TOPPING DX9 is a remarkably versatile and well-executed device. It excels with a variety of headphones and musical genres, offering a detailed, balanced, and engaging listening experience. While some might find the volume knob slightly plasticky, this minor drawback is far outweighed by the DX9's strengths. For those seeking a high-end DAC/amp/preamp under $3000, the TOPPING DX9 deserves serious consideration.