The Bose Companion 20 sound system will vastly improve the audio from your computer. This two-piece system reproduces full, natural sound whether you're in front of your computer or way across the room. Using proprietary technology & an advanced port design ensures your music, games & videos come alive with brilliant clarity & fantastic low notes at any volume. & all that sound pours from just two speakers no need for a bass module. With a few quick connections, you can enjoy the wealth of content on your computer with rich Powerful sound from just two speakers. Even without a bass module the two speakers are able to produce a loud, clear sound while its few connections will have it up & running without any problem