DacMaster

DAC · EXTRA

Custom DAC «EXTRA» BRZHiFi SU12 (AK4493S)

Base device — BRZHiFi SU12. You source the donor yourself — I return it upgraded, under warranty.

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Custom DAC «EXTRA» BRZHiFi SU12 (AK4493S)

Why BRZHiFi SU12?

A highly advanced converter that implements a true dual-mono configuration built around a pair of latest-generation Asahi Kasei AK4493S DAC chips, offering a rich feature set in a compact chassis with a display. The superbly optimized chip integration and a dedicated USB receiver module provide a solid foundation for achieving serious sound quality through a proper upgrade. Additionally, it offers the option for an easy, tool-free replacement of the stock external switching power supply with a high-quality linear one!

Specification

Chip
2×AK4493S · AKM
Base unit
BRZHiFi SU12
Type
Quality Oriented Dual Delta-Sigma
Audio Performance
up to ~$1000
Warranty
6 mo
Turnaround
2–3 days

Full upgrade$239

This is the final cost for a complete turn-key upgrade. Budget adjustments are only possible when ordering additional exclusive options.

What will be done

  • Full replacement of all electrolytic capacitors with genuine "For Audio" components
  • Upgrade of core power lines by installing low-noise regulators
  • Comprehensive modification of the USB receiver with migration to clean power delivery
  • Total overhaul of the analog stage utilizing proprietary custom designs
  • Installation of the top-tier genuine MUSES02 op-amp

ADDITIONAL OPTIONS

  • Top-tier discrete op-amps Sparkos SS3601: +$60

    Special high-end discrete op-amps made in the USA: Sparkos SS3601 x2 in the LPF stage deliver an exceptionally melodic and smooth musical presentation.

  • High-quality proprietary external LPS (price valid when ordering a DAC upgrade): +$60

    Replacing the external stock switching power supply with a premium-quality fully linear one enhances the clarity and naturalness of the device's sound even further.

What you get

A qualitatively and seriously modified device with sonic performance and capabilities that far exceed its physical dimensions. The dual-chip DAC architecture, superbly optimized and refined through the upgrade process, allows it to easily rival most popular models built even around the senior flagship AK4499EX. Furthermore, upgrading the external power supply to a specialized linear unit will effortlessly elevate the sound quality to a whole new level!

What do my clients say?

  • Long story short, I can't get enough of it — it's playing almost 24/7, both during my free time and while I work. Thank you!

    You are a flat-out genius!

    Owner of a SU-12 “EXTRA” DACTelegram

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Presentation

Technical reviews, upgrades, sound comparisons, and live client feedback — on my channel and in the YouTube community

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