EV QRx-218S-BLK w/rig Compact dual 18‚ subwoofer - NLFX Professional
MUSE 218S FBT 2x18 inch 4000Wrms Bass Reflex Passive Subwoofer
Electro-Voice QRx 218 S 2x18” Subwoofer (Single) | Reverb Portugal
WR-218S-DXW - DAS Audio
CVI-218S - Cerwin Vega
Amazon.com: Cerwin-Vega Home Audio CVI-218S 18" 2400W Max Passive Subwoofer with 2 High Power Cast Frame Transducers Black Home Theater System : Musical Instruments