AK4490: Featured In TEAC’s Dual-Monaural D/A Converter / Headphone Amplifier

TEAC’s Dual-Monaural D/A Converter/Headphone Amplifier, the UD-503 that supports 11.2MHz DSD uses AKM’s premium D/A Converter, the VERITA AK4490.

UD-503Asahi Kasei Microdevices Corporation’s (AKM) premium audio DAC: the VERITA AK4490 has been adopted in TEAC’s new dual monaural USB DAC/Headphone amplifier, the UD-503 that supports up to 11.2MHz DSD signal.
The UD-503 is a fully balanced USB DAC/headphone amplifier that integrates TEAC’s extensive experience in audio design that has been evolving for more than 60 years in high-end audio design in an A4-size compact body. It adopts “Dual Monaural Design” by high-end audio concept as well as the UD-501 and integrates two of AKM’s new DACs: the AK4490, supporting advanced 32-bit 11.MHz/384kHz Native DSD signals playbacks.

  >> TEAC Product Page

120dB 768kHz/32-bit 2ch New Generation D/A Converter

AK4490EQ_boad The AK4490EQ is a new generation 32-bit stereo Premium DAC. It is a flagship product of AKM’s VERITA series in the Audio 4 Pro family. The AK4490EQ adopts a newly developed VELVET SOUND technology achieving high-resolution sound playback that realizes a rich sound field and bass representation with less distortion. Digital input supports PCM input up to 768kHz and DSD input of 2.8MHz/5.6MHz / maximum 11.2MHz, the industry's highest level. Internal circuit employs a newly developed 32-bit digital filter focusing on sound quality during development.
This device is ideal for systems such as Network Audio Players focusing sound quality, SACD players and high-end audio systems supporting high resolution sound source.

● Maximum Sampling Frequency, Bit Rate: PCM768kHz, 32-bit / DSD256 (11.2MHz), 1-bit

  • ● SNR: 120dB  ● THD+N: -112dB  ● Sound Color Digital Filter: 5types

 >> AK4490 News Release (2014/05/01)  >> AK4490EQ Product Page  >> AK4490EQ Datasheet


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.

Audio 4 Pro

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 ProTM products range provides world-leading performance with high quality sound, winning trust within professional audio industry.

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AK4490 VELVET SOUND Premium Audio Devices Audio Market Voices

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