The Philips Semiconductors TDA8551 is a small audio amplifier with an integrated volume control. When operated from +5 V, it delivers a nominal output power of more than one watt into 8 ohms. It can ...

The SSM2518 is a digital input, Class-D power amplifier that com-bines a digital-to-analog converter (DAC) and a sigma-delta (Σ-Δ) Class-D modulator. This unique architecture enables extremely low ...

Direct Digital Amplification (DDX) boosts digital audio signals without converting them to analog form. This new technique also improves power utilization, eliminating the need for large heatsinks.

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. When British hi-fi brand Cambridge Audio discontinued its ...