The Harmony µDAC is designed specifically for users who do not want to compromise on outstanding sound quality but also value aesthetics and space-saving design. The ebony black housing with gold accents, fine contours, and silk-matte finish simultaneously conveys elegance and technological advancement. Its small size allows the device to easily fit on a desk, media console, or hi-fi rack while perfectly blending with a modern living environment.

The enclosure is made from a single block of aerospace-grade aluminum with precise CNC machining. This construction not only adds visual value but also offers three key advantages.

Structural Stability

The rigid chassis minimizes resonance and protects internal components from external impacts.

Heat Dissipation

Aluminum's excellent thermal conductivity ensures stable operation, especially important for discrete Class A stages.

Premium Experience

The flawless surface and solid structure convey the device's quality from the moment it is held.

One of the most common sources of errors in digital systems is noise from ground loops and power supplies. The Harmony µDAC eliminates these issues through comprehensive galvanic isolation. The digital and analog circuits are completely separated, with data transfer occurring via optical or magnetic coupling.

This solution eliminates ground loop currents, significantly reduces electromagnetic and radio frequency interference, and results in a much cleaner signal path. The audible result is a quieter background, more precise detail reproduction, and a more authentic soundstage.

In the world of digital audio, timing is crucial. The Harmony µDAC operates with an Accusilicon AS318-B femto oscillator, providing ultra-low jitter and phase noise for digital data processing.

The audible benefits of femto-level clocking include tighter rhythm, more transparent sound reproduction, and a more natural sound image. The music’s texture becomes richer, spatial imaging more accurate, and dynamic contrast more lifelike.

The Harmony µDAC supports I2S master clock synchronization, which is especially beneficial for those building systems with high-end streamers or external clock generators.

This feature allows the DAC to operate in perfect timing sync with other digital chain devices, minimizing jitter and maximizing sound fidelity. This precision is particularly noticeable in acoustic recordings and complex compositions.

Most modern DACs rely on integrated circuits, but the Harmony µDAC employs a discrete R-2R ladder network, where each resistor is hand-selected with 0.05% accuracy.

The symmetric, balanced topology offers excellent channel separation, reduces noise, and improves signal linearity. The result is a sound that combines digital precision with analog naturalness: smooth, airy, and lively with excellent spatial imaging and natural tones.

Digital-to-analog conversion is complemented by a discrete Class A buffer that maintains signal purity and ensures perfect matching to amplifiers and headphones.

The Class A operation adds a slightly warmer tone to the sound while providing natural musical experience due to its linearity and low distortion. This character evokes the classic analog sound sensation for many audiophiles.

The Harmony µDAC features a dot-matrix display on the front panel that is not only aesthetically pleasing but also highly informative. It clearly shows the input, sampling frequency, operating mode, and other settings.

The device can also be controlled by an optional remote, providing easy access when the DAC is rack-mounted or in hard-to-reach places.

Processing Chip

Intel® Altera® Cyclone® FPGA

Master Clock

Accusilicon AS318-B femto oscillator (Ultra-Low Phase Noise)

Digital Inputs

USB, Optical (TOSLINK), Coaxial (RCA), I2S

Analog Output

XLR (max. 4 Vrms, approx. 82 Ω output impedance)

Supported Formats

USB, I2S - PCM 44.1 - 768 kHz | DSD64 - DSD256
Optical, Coaxial - PCM 44.1 - 192 kHz | DSD64 (DoP)

Frequency Response

20 Hz – 20 kHz (±0.25 dB)

Total Harmonic Distortion (THD+N)

0.006 %

Channel Crosstalk

≤ -120 dB

Signal-to-Noise Ratio (SNR)

≥ 125 dB

Dynamic Range

≥ 110 dB

Power Supply

15 V DC / 2 A, DC 5.5 / 2.5 mm connector

Display

25×7 dot matrix LED scrolling text display

Dimensions

168 x 98 x 50 mm

Weight

0.7 kg / 1.54 lbs

Harmony µDAC

1 x Harmony uDAC device

Card

1 x Welcome Card

Document

1 x User Manual

Power Supply

1 x Power Supply with interchangeable connectors