Amazon.com: DS18 SLC10S Car Subwoofer Audio Speaker - 10" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 440W MAX Power and Foam Surround for Vehicle Stereo
ZVX-15v2 | 15" 3,000 Watt Max Power Car Subwoofer - Skar Audio
Amazon.com: Lanzar 6.5” Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Aluminum Voice Coil, 4 Ohm Impedance, 600 Watt Power and Foam Edge Suspension for Vehicle Audio Stereo Sound System - MAXP64 : Electronics
DB10 10-inch Low Frequency Powered Subwoofer (Black Ash) | Fluance
TXX-BDC4-8 Subwoofer - Quad Stack
R-121SW 12” Subwoofer | Klipsch
Amazon.com: BESTISAN Powered Subwoofer, 6.5" Active Home Audio Subwoofer in Compact Design,LFE & Stereo Line Inputs & Audio Output, Built-in Amplifier for Home Theater/Receiver/TV/Speakers, Black, SW65D : Everything Else
MESO-8 - 1600 Watt 8 Inch Car Subwoofer - CT Sounds – CT SOUNDS