Sound&Vision: Advertiser: 4 Reasons to go with Dual (or more) Subwoofers
Amazon.com: Pyle 10'' Dual Series Vented Subwoofer Enclosure - 4 Layer Dual Voice Coil, High Powered Woofers with a Silver Paper Cone, Rear Vented Design with Built-in Illuminating LED Lights - PL210BSL,Black :
Home Theater Multiple Subwoofer Set-Up & Calibration Guide | Audioholics
Are Two Subwoofers Better than One? | Audioholics
Why Go Dual Subwoofers? | SVS
CSS SDX12 - 12" XBL^2 Subwoofer
U v.2 Series (1500W)
Epique E150HE-44 5-1/2" DVC MMAG Extended Range Subwoofer 4 Ohm per Coil
Mtx 12 Inch Car Audio Dual Loaded Subwoofer Box, Crunch 2 Channel A/b Class Amplifier, & Soundstorm 8 Gauge Car Amplifier Wiring Kit W/ Rca : Target