VELVET SOUND AKM Pursues Authentic Live Sound with both Roomy Sound & Sound Dynamics


"Spatially Expressing Sound"

AKM's Next Generation
D/A Converters,
A/D Converters,
Sampling Rate Converters

VELVET SOUND technology ensures that every detail is captured and reproduced clearly, free of noise and distortion, preserving directionality and the emotions expressed by the artist.

AKM’s technological resources have been fully dedicated to producing first-rate quality sound.

Designed by VELVET SOUND

VELVET SOUND Sound Philosophy

Sound Philosophy
Authentic Live Sound

The philosophy of VELVET SOUND is to provide an accurate representation of the original content.
AKM’s VELVET SOUND technology conveys all the sonic elements contained in the source material, providing an active and dynamic audio space just like you’d find at a live performance.

VELVET SOUND Architecture

Design concepts to maximize dynamics and ensure pure, unaltered audio data.

... the architecture of next-generation audio devices.
The VELVET SOUND approach to audio quality is a combination of measured performance and human listening tests.  We at AKM believe that discerning ears will always supersede any test measurement.

VELVET SOUND Core Technology

Core Technology
Multiple technologies, all created to evoke emotions with sound.

VELVET SOUND is the core technology behind AKM’s next-generation audio devices.  It features newly developed low-distortion technology, OSRD (over-sampling ratio doubler) technology, and IRD (impulse response-designed) filters.
VELVET SOUND translates sounds into emotions.


Key Features
VELVET SOUND devices are fully compatible with Hi-Res audio sources up to 768kHz PCM and 11.2MHz DSD.

... a key feature of AKM's next-generation audio devices, which are equipped with the specs and performance for the Hi-Res digital audio era.



VELVET SOUND is a sound philosophy and brand concept for AKM’s next-generation audio devices, featuring new chip architectures and core technologies.  The new circuitry found in VELVET SOUND devices is designed to maximize dynamics and ensure pure, unaltered audio data, prioritizing the accurate capture and reproduction of the source material in order to achieve high performance and rich musicality.  These devices were designed specifically for the high-resolution digital audio era.

Four Elements of VELVET SOUND

Hierarchies of AKM's Audio Brand

AKM’s audio LSI products that are based on VELVET SOUND are categorized into two groups such as Premium Audio Devices and Advanced Audio Devices.

  • VELVET SOUND VERITA Flagship / High-end Premium
    Flagship and high-end premium audio devices target high-end and exclusive audio equipment, integrating futuristic features and having sufficient specifications suitable for high-resolution audio.
    The flagship, "VERITA", series is a "real product" that has world-class performance.
  • VELVET SOUND | Premium Audio Premium
    Premium audio devices target high-end to middle class audio equipment, integrating futuristic features and having sufficient specifications suitable for high-resolution audio.
  • Advanced
    Advanced audio devices optimize various technologies that are developed with premium audio devices into portable and automotive instruments. They realize low-cost designs while maintaining high performance, expanding horizons of high-quality sound among audio products.


Premium DAC VERITA AK4497EQ Premium DAC VERITA AK4497EQ Premium DAC AK4493EQ Premium DAC AK4493EQ

Premium Portable DAC AK4492ECB Premium Portable DAC Premium DAC AK4490EQ Premium DAC AK4490EQ

AK4490EN Premium SRC VERITA AK4137EQ Premium Multi-channel ADC AK557X Series Premium Multi-channel DAC AK445X Series Premium Multi-channel ADC AK555X Series Premium SRC AK4136VQ AK4962 AK4961 AK4376 AK4375A

Audio Brands



VELVET SOUND is a brand concept of, "sound philosophy", given to AKM's next generation of audio devices and, "new architecture & core technologies". A new circuit is designed to, "balance the amount of information and intensity", and, "focus on the original sound", to achieve rich musicality and high performance. This circuit contains specifications and features suitable for the high-resolution audio era.


True flagship VERITA

"VELVET SOUND VERITA" ... the title of the world's highest level "real" will be given only to the elite products. "VERITA", means "truth", "spirit", "real" ... in Italian, was born as a flagship of AKM audio devices. It has been applied to products of the highest performance devices in the Audio 4 Pro brand family.

Audio 4 Pro

Audio 4 Pro

Audio 4 Pro™ products are designed for pro audio equipment, including mixing consoles, electronic musical instruments and sound effectors, meeting the highest sound quality standards of recording studios. Audio 4 Pro™ products range provides world-leading performance with high quality sound, winning trust within professional audio industry.

Audio 2 go

Audio 2 go

Audio 2 Go™ products are designed for portable audio applications, including smartphones, tablet computers and media players, which provide feature-rich, single chip solution with low power consumption and high audio fidelity.

*VELVET SOUND Logo™, Audio 4 Pro™ and Audio 2 Go™ are trademarks of Asahi Kasei Electronics Corporation in Japan, Europe and the United States.