Fosi Audio Q6 Review
June 25, 2025 Comments Off on Fosi Audio Q6 Review
At the heart of the device, you’ll find the AKM AK4493S DAC chip, supported by an XMOS XU316 USB processor, and a dual op-amp configuration—OPA1612 and NE5532DR. A setup designed to deliver reliable digital-to-analog conversion, compatible with a broad range of sources and formats.
What’s interesting though, is the fact that those DIP8 op-amp are now swappable, allowing you tot put much stronger solutions, like the one from Burson for example.
Upstream, the XMOS XU316 controller allows the Q6 to support high-resolution PCM streams up to 32bit/768kHz and DSD512 via USB, while optical and coaxial connections remain capped at 32bit/192kHz—pretty much covering any need you might have for home or office audio.
For the analog section, the brand selected a classic duo too, combining the OPA1612 and NE5532DR to maintain a wide channel separation, while keeping the noise low.
Numbers? Signal-to-noise ratio is rated at 121dB, with a quoted THD as low as 0.00012 – pretty good number for a $100 DAC, beating the SK02 to its own game!

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