Amazon.com: Light Harmonic Thunder 15'' Car Subwoofer Speaker - Carbon Fiber Sub with Low Impedance for deep bass Lover (Black - 15") : Electronics
This is the Mitsubishi Dialtone D160, the largest subwoofer ever, constructed in the 80's. It weights 800kg, it can easily break windows and it produces small earthquakes which can be felt as
Source JLDAUDIO hot selling huge motor subwoofer with 500 RMS subwoofer 8 inch on m.alibaba.com
This 6-foot subwoofer can output some serious bass | Ubergizmo
Giant Subwoofer Speaker in the Trunk, Red Hair Woman in the Front Seat Stock Photo - Alamy
It's Not a Giant Speaker or Subwoofer---What IS It?!?
7000W Massive Huge Power Sub Subwoofer OE AUDIO 12" MADE IN GERMANY UK SELLER | eBay
Amazon.com: Massive Audio HIPPOXL64 – 6 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 6" Subwoofer 300 Watt RMS, 600w MAX Dual 4 Ohm, 2 Inch Voice Coil. Sold Individually : Electronics
PYLE 12 inch 1600 Watts Car Audio Power Dual Voice Coil 4 Ohm Subwoofer Unit - Walmart.com