Mackie Thump 18S 18" 1200W Powered DJ PA Subwoofer with Professional band-pass design Dual XLR inputs Stereo high-pass and Stereo full-range outputs - Walmart.com
Amazon.com: Mackie Thump118S 18" 1400W Powered Subwoofer with Custom Selectable Voicing Modes and Variable Crossover, Black, 118S : Musical Instruments
Mackie MRS10 10" Powered Studio Subwoofer - ProAudio.com
Mackie CR Series CR8S-XBT 8" Multimedia Subwoofer with Bluetooth | Guitar Center