DS18 SRW12 12" Shallow Mount Subwoofer, 220/440 Watts | 12 Volt & Beyond | $ 104.95 | DS-SRW12
Amazon.com: DS18 Elite Z8 Subwoofer in Black - 8", 900W Max Power, 500W RMS, Dual 4 Ohms, DVC - Premium Car Audio Bass Speaker Great for Low Frequencies and High Power Applications (
DS18 PRO-HY8.4B 8" | Marine Pro Coax Speakers | Boat Audio Systems | Garage Bagger Stereo
8" Subwoofer Dual 2 Ohm 1200 Watts Max Power Bass Sub Car Audio EXL-X8 – Pricedrightsales
DS18 SQ82A 8" Amplified Car Audio Subwoofer plus 8" Passive Subwoofer