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
JBL BASSPRO 8" Single-Voice-Coil Loaded Subwoofer Enclosure with Integrated Amp Black SUBBPSL2AM - Best Buy
TNE212DV Dual 12in TERMINATOR Series 1000-Watt Peak Power Subwoofer Enclosure | MTX Audio - Serious About Sound®
TXX-BDC4-8 Subwoofer - Quad Stack
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