Advanced Audio News

2015/03/27 (updated: 2015/03/31)


nubia’s Smartphone Z9 Max Uses AKM’s Advanced Audio Headphone DAC AK4375A


AKM’s Advanced Audio Headphone DAC Improves Smartphone Playback and Enhances User Experience


nubia | Z9 Maxnubia | Z9 MaxAsahi Kasei Microdevices Corporation, the world leading audio converter supplier, today announced that nubia has chosen AKM’s Advanced Audio Headphone DAC AK4375A to provide the best sounding quality for its smartphone, Z9 Max, that was launched on the 26th of March.
Unlike conventional audio solutions commonly used in many high-end smartphones, AKM’s Advanced Audio Headphone DAC AK4375A provides the user with state-of-the-art Hi-Fi sound playback.

nubia_logoAbout nubia
nubia is the premium brand of ZTE smartphone. It was launched in October 2012. ZTE Corporation is a globally-leading provider of telecommunications equipment and network solutions, nubia brand is independently managed and differentiated by a separate team from the ZTE brand. It mainly focuses on high-end open markets, with development around the world. nubia is favored by consumers through differentiation on concept, design, price, advertisement and service.

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                                  To obtain more information about the nubia Z9 Max, please visit here.

AKM logoAbout AKM
Asahi Kasei Microdevices Corporation (AKM) is a Japan-based company which designs and manufactures high performance mixed-signal ICs and unique sensing devices. AKM has continued to provide customers with optimum solutions all over the world for over 30 years.

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                                  To obtain more information about the AK4375A, please visit here.

Advanced Audio Headphone DAC for Smartphones

AK4375The advanced audio devices have been specifically optimized for portable applications based on AKM’s VELVET SOUND architecture which is established by premium audio devices, realizing high quality sounds for music playback. As an audio device for mobile applications, the AK4375A achieves industry leading level performance of THD+N (-99dB) and 110dB dynamic range with newly developed 32-bit advanced audio DAC and cap-less class G headphone amplifier.
In addition, the AK4375A integrates asynchronous SRCs and crystal oscillator for jitter isolation to prevent degradations of analog characteristics and sound qualities by external clock jitter. It is suitable for audio devices with Hi-Fi function such as smartphones, tablets, portable music players and wireless headphones. The AK4375A is housed in an ultra-small space saving 36-pin CSP package.

To obtain more information about the AK4375A, please visit here.

News Release  :   Date:2014/07/07  AK4375A: Advanced Audio Headphone DAC for Smartphones


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.

Audio2Go About "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.

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