Amazon.com: SOONHUA Computer Speakers with Subwoofer, SADA Mini USB 2.1 Wired Computer Speakers Volume and Bass Control for Phone Laptop PC : Electronics
TX-SR494 - Connecting the Subwoofer – Onkyo Product Support
Solved: XPS 8500 and Altec Lansing ACS340 speaker hookup - Dell Community
3 Simple Ways to Use an Active Subwoofer - wikiHow
How to Connect a Subwoofer to a Computer? - BoomSpeaker