If you’ve run out of I/O pins on a project and need a way to add user input you can find a slew of port expanders that work with various communications protocols like I2C and 1-Wire. But if you just ...

The Shanling SCD3.3 is a top-loading CD/SACD player that folds in some very basic USB drive file playback and Bluetooth ...

In the last two years, Fiio has introduced its custom-developed DAC with a resistor ladder (R2R) architecture, which helps deliver high-resolution audio with a “natural, analog-like presentation.” And ...

Resistor ladder decoding for more natural, organic audio Excellent connectivity both in and out £279 / $319 / €319 (about AU$570) If you'd like to your music to take you higher, FiiO has just the ...

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 ...

To provide a cost-effective means of implementing analogue-to-digital and digital-to-analogue signal conversions, TT electronics BI Technologies has released a series of 8-bit and 10-bit R2R resistor ...

Can hifi vibration isolation feet actually fix a hidden issue with R2R DACs and tube amplifiers? In this audiophile review, I explore the impact of microphonics on high-end audio components. Resistor ...

Coming mid-2026, the FiiO K17 R2R Pro DAC and headphone amplifier aims for a more analogue like listening experience with proprietary resistor ladder architecture. FiiO is pushing performance with the ...

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 ...