Weiss DAC204 MK2: Swiss Precision DAC Featuring ES9028PRO Chip
Valeriy Bagrintsev
Music Tech
5 minute read
Weiss DAC204 MK2: Swiss Precision DAC Featuring ES9028PRO Chip
Experience top-tier digital-to-analog conversion with the Weiss DAC204 MK2, powered by the renowned ES9028PRO chip for unparalleled audio clarity.
A Compact Swiss Marvel Reborn
If you’ve ever been captivated by the art of pristine sound reproduction, the Weiss DAC204 MK2 digital to analog converter is bound to catch your ear. This updated iteration of the compact Weiss DAC204 steps up the game with significant overhauls in both its digital and analog circuits, breathing new life into what was already a respected device.
At the heart of this transformation lies a fully redesigned DAC board. Gone is the previous chip; in its place, the Weiss DAC204 MK2 embraces the Sabre ES9028PRO from ESS Technology. This upgrade isn’t just a swap—it’s an evolution. The architecture now boasts an enhanced jitter suppression system, a critical enhancement to maintain conversion stability even when handling sources with higher-than-ideal jitter levels. Essentially, it means your music won’t just sound good; it’ll sound rock-solid and clean.
The analog output stage also isn’t left behind. The engineers focused intensely on refining this area, achieving a near-zero output impedance. What’s the upshot? The DAC pairs seamlessly with complex loads, ensuring no compromise in sound quality regardless of what you plug into it.

Stripped-Back Focus on What Matters
Here’s where the Weiss DAC204 MK2 digital to analog converter really stands apart. It doesn’t try to be everything to everyone. Forget network connectivity, built-in DSP, remote controls, flashy screens, or headphone outputs—this DAC is a purebred audio workhorse.
The makers zeroed in on the fundamentals of a quality DAC: signal synchronization, accurate conversion, jitter suppression, and an analog signal path that honors the source material. It’s a back-to-basics approach in a market often flooded with gadgets and apps. For lovers of clean, uncompromised sound, that’s a breath of fresh air.
On the connectivity front, the DAC keeps things practical and versatile. Inputs include USB-B, digital coaxial RCA, and optical Toslink, so you’re covered no matter what digital source you want to feed it. Analog outputs come with balanced XLR and unbalanced RCA jacks, both active simultaneously—a smart choice for easy integration into various audio setups.

Powering High-Resolution Audio Without Compromise
With USB, the Weiss DAC204 MK2 digital to analog converter supports decoding of PCM streams up to 384 kHz and DSD formats DSD64 and DSD128. Its coaxial RCA input can handle PCM signals up to 192 kHz, while the optical Toslink accepts up to 96 kHz. But wait, there’s more: the device also doubles as a digital converter by outputting digital signals through AES/EBU, RCA, and BNC connectors. This flexibility means it’s not just a DAC—it’s a digital signal gateway.
To ensure top-notch audio fidelity, the DAC employs four oversampling sigma-delta converters per channel working in parallel. This technique helps boost the signal-to-noise ratio, resulting in clearer, more accurate sound reproduction. An external power supply keeps things clean and stable, while sensitive circuits receive dedicated linear stabilization. The result? Reduced digital noise and minimal crosstalk entering the analog output, keeping your music as pure as possible.

Pricing and Purpose: High-End Audio, No Frills
The Weiss DAC204 MK2 digital to analog converter commands a price of $3,990—a figure that positions it in the high-end league. But unlike many modern DACs laden with displays, streaming capabilities, and headphone amplifiers, this model stays laser-focused. It’s designed not to replace every component in your system but to serve as the ultimate digital-to-analog translator within an already refined high-end setup.
In essence, it’s for audiophiles who want their digital source to deliver musicality and precision without distractions or gimmicks. A true Swiss watch of a DAC.
"Its task is not to replace all components in the system but to ensure accurate and musical digital conversion in an already established high-class path."
– Weiss Engineering
Final Thoughts: A DAC That Keeps It Real
For anyone passionate about the art of sound, the Weiss DAC204 MK2 digital to analog converter offers a refreshing kind of purity. It’s a reminder that sometimes, less is more—especially when the “less” is engineered with Swiss precision and a no-compromise attitude. Whether you’re upgrading from a modest DAC or looking to add a reliable, focused cornerstone to your high-end setup, this compact powerhouse deserves serious attention.
FAQ
- What chip powers the Weiss DAC204 MK2?
The DAC features the Sabre ES9028PRO chip from ESS Technology, known for its high performance and low jitter. - Does the Weiss DAC204 MK2 support DSD playback?
Yes, it supports DSD64 and DSD128 formats via USB input. - Can it be used as a digital converter?
Absolutely. It outputs digital signals through AES/EBU, RCA, and BNC, allowing it to function as a digital converter. - What are the analog output options?
There are balanced XLR and unbalanced RCA outputs that can be used simultaneously. - Is there any network streaming or onboard DSP?
No, the Weiss DAC204 MK2 focuses on core DAC functions without network streaming or built-in DSP processing.
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