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News

Now Sampling: AKM’s AK4498EX Partitioned Stereo D/A Converter

2024/11/18

Product Overview

The AK4498EX, when paired with the AK4191 digital filter and ΔΣ modulator device, offers a complete two-chip DAC solution that isolates the processing intensive digital signal (handled by the AK4191) from the analog. 

This innovative partitioning significantly reduces digital noise interference within the analog conversion process, resulting in a breakthrough in sonic transparency.

The AK4498EX leverages advanced VELVET SOUNDTM technology to faithfully reproduce even the most nuanced audio details. 

In conjunction with the AK4191, the AK4498EX supports ultra-high-resolution audio formats (64-bit, 1536kHz PCM; DSD1024). AKM’s commitment to sonic excellence is reflected not only in rigorous quantitative evaluation, but also through careful subjective auditory assessment. 

Sample shipments begin in November 2024, with mass production slated to begin in April 2025.

AK4498ex

Key Features

Immersive Listening Experience

The fully partitioned digital-analog approach effectively eliminates digital noise interference, enhancing the smoothness of the analog signal. 

This leads to a rich auditory experience, delivering a natural and immersive soundscape.

Enhanced Analog Performance

Utilizing the "DWA (Data Weighted Averaging) Routing Technology" from the flagship AK4499EX DAC has minimized the effects of conversion element variation, resulting in exceptional noise and distortion performance (S/N: 129dB (A-wtd.) / THD+N: -117dB).

Seamless High-Resolution Audio Playback

The AK4498EX benefits from the AK4191’s Automatic D/A Conversion Mode Switching Function, enabling seamless transitions between audio formats (PCM, DSD). 

The integrated asynchronous operation mode further allows for dedicated clock supply to the AK4498EX, facilitating precise D/A conversion with minimal jitter.

Applications

  • Network Audio and USB DACs
  • CD/SACD Players
  • Wireless Speaker Systems
  • Soundbars
  • Digital Audio Players
  • Electronic Musical Instruments
  • Audio Interfaces
  • Digital Mixers

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