Mackie Thump 15A 1300 watt 15" 2 way powered portable loudspeaker with High Performance Amplifiers Built-in Mixers and Power Factor Correction – absoluteusa
Mackie DRM18S-P Passive Subwoofer - Vintage King
Mackie DRM18S - 2000W 18" Professional Powered Subwoofer
Mackie DRM18S-P 18" 2000w Live Sound DJ PA Subwoofer Sub+Power Amplifier+Cable - Rockville Audio
Mackie Thump18S 18" powered subwoofer — 1,200W peak at Crutchfield