Please see our wiring guide here: http://www.ticcorp.com/wiring-guide/
For subwoofer installation, you can also visit the article "How to set up the GS50/TFS50 subwoofer?" for a more detailed, thorough instruction in supplement to the wiring guide above.
If you have more specific question, please reach out by logging a ticket or call us at 626-968-0211.