This document describes the features and characteristics of Analog Devices' Mono 1.5 W/Stereo 250 mW Power Amplifier SSM2250 Rev. A. The amplifier is designed for desktop computers, sound cards, communication headsets, and other applications. It features mono 1.5 W differential or stereo 250 mW output, single-supply operation, low power shutdown current, low distortion, wide bandwidth, and is unity-gain stable.