Abstract: A power amplifier device for amplifying an audio signal from sound generating circuitry in a micro-computer is provided. The device is retained in a housing secured in a drive bay of the micro-computer containing a compact disc read only memory drive. The device and disc drive may also be configured in a unitary housing. The device receives a line-level audio signal from the audio circuitry and transmits the signal to a frequency and time response contouring device, to adjust the response of the signal. A power level adjusting mechanism, such as a volume control, adjusts the power level of the signal generated by the frequency and time response device. Amplifiers are coupled to the volume control to amplify the audio signal to a level determined by the volume control. The amplification device connects to at least leftwardly and rightwardly positioned loudspeakers to provide stereophonic sound at the desired level.