Amazon.com: Dual Electronics BP1204 High Performance 12 inch Car Audio Subwoofer in a Tuned Bandpass Enclosure with Blue illumiNITE LED illumination and Plexiglass Viewing Windows and 1,100 Watts of Peak Power : Electronics
Amazon.com: Q Power QBASS Dual 12 Inch Heavy Duty MDF Car Audio Subwoofer Enclosure Boxes with Shared Slot Port Vent and Dual Chamber Design, Charcoal (2 Pack) : Electronics
Amazon.com: Pyle Portable Cabinet PA Speaker System - 1600 Watt Outdoor Sound System Vehicle Stereo Speakers w/ Dual 12" Woofers, 3.4" Piezo Tweeters, 5"x12" Super Horn Midrange, Crossover Network -PADH212 : Musical
Amazon.com: beFree Sound Dual 12 Inch Subwoofer Bluetooth Portable Party Speaker with LED Lights, USB/SD Input, Fm Radio, Remote Control and Wireless Microphone (BFS-7777X) : Electronics
Amazon.com: ROCKFORD FOSGATE P3D4-12 12" 2400 Watt 4-Ohm DVC Car Subwoofers (2 pack) and QBASS12 Dual 12" Vented Ported Subwoofer Sub Box Enclosure : Electronics
Amazon.com: Audiopipe APSB-1299PP Dual 12 Inch Car Audio Subwoofer Speakers and Sealed Enclosure, 2 Channel 500 Watt Amplifier, and Wire Installation Kit : Electronics