JBL GTO Series GT100 10" 4-Ohm Subwoofer at Crutchfield
JBL GT4-12 (gt412) 1000W Single 4 ohms 12" Subwoofer
JBL PartyBox 1000 Premium 1100-Watt Powerful Bluetooth Party Speaker with Full Panel Light Effects and DJ Pad - Black : Amazon.ca: Musical Instruments, Stage & Studio