18 inch powered subwoofer

Kicker Comp 15-inch (38cm) Subwoofer, 4-Ohm, RoHS Compliant

Elac DCB41-BK - Debut ConneX 4.5" Powered Speakers - Black, Pair and Elac PS350-BK - Varro Premium 12" 350 Watt Powered Subwoofer with Auto-EQ

Elac DCB41-WN - Debut ConneX 4.5" Powered Speakers - Walnut, Pair and Elac PS250-BK - Varro Premium 10" 250 Watt Powered Subwoofer with Auto-EQ

Elac DCB41-OR - Debut ConneX 4.5" Powered Speakers - Orange, Pair and Elac PS500-BK - Varro Premium 15" 500 Watt Powered Subwoofer with Auto-EQ

Elac DCB41-BK - Debut ConneX 4.5" Powered Speakers - Black, Pair and Elac PS500-BK - Varro Premium 15" 500 Watt Powered Subwoofer with Auto-EQ

Kicker (2) 51CWQ122 CompQ Q-Class 12" Subwoofer, Dual 2-Ohm

Kicker Power Sports Bundle, Bluetooth Source, 5 Channel Amp, 10" Subwoofer & (2 pair) 6.5" Speakers

Pyle 6" Portable PA Horn Speaker for Indoor or Outdoor Use with 50W Peak Power, Lightweight and Compact Design and Broad Sound Coverage, Black, 8 Pack

Kicker 51KGMDL7T122 L7T Custom Fit Dual 12" Subwoofer Down Firing Enclosure, Compatible with Select Sierra or Silverado, 2-Ohm

Kicker CWCD124 CompC 12" Subwoofers Bundle Dual 4-Ohm Voice Coil

Dual Waterproof Outdoor Speakers for Patio with Powerful Sound, All Devices Compatible, Easy Setup

Q Power Single 12" Triangle Ported Car Audio Subwoofer Box Enclosure (2 Pack)

Kicker 48VCWR122 CompR 12" single subwoofer in vented enclosure, 2-ohm

Elac DBR62-BK - Debut Reference 6.5" Bookshelf Speakers - Black, Pair and Elac PS350-BK - Varro Premium 12" 350 Watt Powered Subwoofer with Auto-EQ

RCF 18-in Woofer w/neodymium transducer, the lowest power compression, 8 Ohms 2400 Watts Max LF18N401

B&C 18" 4" VC SUPER WOOFER 18TBW100-8

Kicker 50VCWC122 CompC 12-inch Subwoofer in Vented Enclosure, 2-Ohm

Hifonics 12" 800 Watt 4 Ohm DVC Car Audio Subwoofer Power Bass Sub (6 Pack)

6.5" Waterproof Wall Mount Speakers for Outdoor Use with 350W Max Power, Dual Speakers, White, Pair

Comp 10-inch (25cm) Subwoofer, 4-Ohm, RoHS Compliant

Kicker 10 Inch Bass Bundle - A 44CWCD104 Subwoofer with CXA4001 and amp wire kit

Kicker 50CWCS104 CompC 10" Subwoofer, Single 4-Ohm

Kicker 52CVR154 - CVR15 CompVR 15-Inch (38cm) Subwoofer, DVC, 4-ohm

Kanto Ren Powered Speaker System (matte grey) And SUB8 Powered 8in Subwoofer (white) Bundle