Amazon.com: Audioengine S8 Powered Subwoofer Speaker - 250W 8-inch Home Subwoofer with Built-in Amplifier and Dual Audio Inputs for Home Speaker System (Black) : Electronics
Sony 8" Compact Powered Subwoofer - XS-AW-8 | Abt
Focal Sub One 8-inch Powered Studio Subwoofer | Sweetwater
KRK S8.4 8 inch Powered Studio Subwoofer | Sweetwater
Pyle Plpw8d 8" 800w Car Audio Subwoofer Sub Power Woofer Dvc 4 Ohm Black : Target
Yamaha 8-Inch 100-Watt-Max Powered Subwoofer Black NS-SW050BL - Best Buy
BAS8 - 8" 400 Watts RMS Class D Powered Subwoofer in Ported Enclosure,
BOSS Audio Systems CUBE8 8 Inch Car Audio Subwoofer and Amplifier Package – Powered, Built-in Amplifier, Passive Radiator, Remote Subwoofer Control, For Truck, Boxes and Enclosures - Walmart.com
Amazon.com: Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs PLBX8A : Electronics
RetroSound® SUB8100 8-inch Class D Amplified Subwoofer – Retro Manufacturing
Sony XS-AW8 8-Inch Powered Under Seat Sub woofer with Wired Remote Control (XSAW8) - Creative Audio