DIY Active Subwoofer : 15 Steps (with Pictures) - Instructables
Can I connect speakers which are not active, to my active subwoofer? In other words can the subwoofer's integrated amplifier also drive speakers? - Quora
Adding a Subwoofer to Your PA
Wiring of In-Wall Subwoofer - Moderno M10 | Home Theater Forum
Home Theater Subwoofers
Wiring Diagrams
Why are there two inputs on my subwoofer? - EarthquakeSound.eu