Amazon.com: Audiopipe TXX-BDC4-8 8 Inch 1000 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Sub Audio Subwoofer Speaker System, Black : Electronics
MESO-8 - 1600 Watt 8 Inch Car Subwoofer - CT Sounds – CT SOUNDS
MB Quart DS1-204 400 Watt 8 Inch Shallow Slim DVC 4 Ohm Car Sub, Single Speaker - Walmart.com