Advance Auto Parts
Dual Electronics 10 Inch Subwoofer With Ported Enclosure, 500 Watts Maximum Power
$68.99
Walmart
KFFKFF 8 800W Undercarriage Vehicle Subwoofer Thinly Designed Auto Subwoofers for Under the Seat Placement Compact Sound Sub with Integrated Amplifier High/Low Level Input & Volume Regulator
$70.99
Lowe's
SVOPES 10 in 400W Underseat Car Subwoofer Slim Powered Sub Built-in Amplifier High/Low Level Input and Volume Control for Cars Trucks RVs SUVs
$89.47
The Home Depot
SVOPES 10 in. 400 W Underseat Car Subwoofer, Slim Powered Sub, Built-in Amplifier, High/Low Level Input and Volume Control
$89.47
Best Buy
Audioengine - S6 Powered Subwoofer - Red
$299.00