An internal subwoofer apparatus is provided for mounting within a computer system. The computer system is a multi-media computer system that processes visual and audio recording and playback. The central processing unit box typically includes the motherboard on which is mounted the main central processing unit as well as any ancillary processing chips needed for the computer system. The computer system also includes memory modules such as short-term memory, long-term memory storage in the form of hard disk drives or removable floppy disk drive systems, as well as long-term disk storage systems, such as CD-ROM systems. User input to the computer system is provided by a keyboard and optionally a pointing device, such as a mouse or track ball. A monitor that displays video signals is provided and the audio system includes a pair of satellite speakers serving as a first channel and a second channel.