The FiiO Warmer R2R arrived with a lot going for it on paper. Tubes. VU meters. An in-house R2R module. Three bell rings for audiophile catnip. At US$349/€379, it looked the part. My January review ...
FiiO’s M33 R2R enters the ~$600 DAP segment with a discrete ladder DAC and high expectations—but key specs and Bluetooth support remain unanswered. It’s a familiar pattern: FiiO shipped more than ...
Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. FiiO is an audio brand with a wide range of portable and ...
At $269, FiiO’s DM15 R2R portable CD player debuts with an in-house DAC, balanced and single-ended headphone outputs, Bluetooth transmit mode, and a high-voltage amp stage which brings real modern ...
Since most engineers went through intensive course work in engineering school studying the analog-to-digital converter (ADC), operational amplifier (op amp), digital-to-analog converter (DAC) and ...
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