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AK4452/AK4454/AK4456/AK4458: Next Generation Premium Multi-channel DAC Series are now on the market

[Product Name]

AK4452VN, AK4454VN, AK4456VN, AK4458VN

115dB 768kHz 32bit Premium 2/4/6/8ch D/A Converter

AV Receivers, CD/SACD Players, Network Audio, USB DACs, USB Headphones, Sound Plate/Bars, Audio Interfaces, Car Audio, External Amplifiers for Car Audio, Measurement Equipment and Control Systems

VELVET SOUND Premium Audio Devices Audio 4 Pro


The AK4452/AK4454/AK4456/AK4458 is a new generation of premium 32-bit DAC, with up to 8-channels based on AKM’s VELVET SOUND architecture that has been widely adopted by well-established high-end audio companies. This technology realizes fine sound details with its low-distortion architecture in addition to 32-bit resolution digital filter processing. The digital input supports up to 768 kHz PCM and 11.2 MHz DSD (Direct Stream Digital), suitable for high-resolution audio source playback. This premium multi-channel DAC series provides a simple and best solution to wide range of applications with a TDM interface and up to 8-channel variations. 


● Dynamic sound play back with large amount of playback information:
- AKMs VELVET SOUND architecture is utilized.
- Low-distortion technology achieves industry’s best performance of -107dB as a DAC with 115dB S/N characteristic.
- OSRD (Over Sampling Ratio Doubler) technology greatly reduces out of band noise.
- IRD (Impulse Response Designed) filters are integrated with 32-bit processing to reproduces detailed natural sound.
-  Five different digital filters types are selectable according to the user audio and system preferences.


● Supporting High Resolution Data
- The digital input supports up to 768 kHz PCM and 11.2 MHz DSD (Direct Stream Digital), recreating high-resolution sound that is as close as possible to the original acoustic source.
- It is suitable for high-resolution sound source playback that is becoming popular with Network Audio, USB DACs and Car Audio Systems.


● System Extensibility
2ch/4ch/6ch/8ch lineups provide best sound solution for the system. The digital input supports TDM (Time Division), realizing daisy chain connection. A multichannel playback system such as AV surround receivers and audio interfaces can be easily designed with these premium DACs.


● DR, S/N: 115dB
● THD+N: -107dB
● Sampling Rate: 8kHz ~ 768kHz
● DSD Input: 2.8 MHz, 5.6 MHz, 11.2 MHz
● Digital Filters: Five Types 32-bit 8-fold Digital Filters
● Low Distortion Differential Output
● Daisy Chain
● Power Supply: Analog: 3.0~5.5V ; Digital: 1.7~3.6V
● Operational Temperature: −40 ~ 105°C
● Package: 32-pin QFN, 5 x 5 mm (AK4452/AK4454)

48-pin QFN, 7 x 7 mm (AK4456/AK4458)

AK4454VN AK4452VN
AK4458VN AK4456VN

>> AK4452VN: To obtain more information about the AK4452, please visit here.
>> AK4454VN: To obtain more information about the AK4454, please visit here.
>> AK4456VN: To obtain more information about the AK4456, please visit here.
>> AK4458VN: To obtain more information about the AK4458, please visit here.

VELVET SOUND is a brand concept of, “sound philosophy”, given to AKM’s new 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.

About "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.

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 * Information on this page is current on the date of press release.
 * AKM, VELVET SOUND Logo™ and Audio 4 Pro™ are trademarks of Asahi Kasei Microdevices Corporation in Japan, Europe and the United States.