Kicker | | Solo-Baric L7T 8" Single-Voice-Coil 2-Ohm Loaded Subwoofer Enclosure | Black | Best Buy

Upgrade the sound system in your truck with this KICKER 8-inch 2-ohm subwoofer and enclosure. The thick MDF construction delivers solid bass, while the premium black carpeting enhances the aesthetics of your vehicle. This KICKER 8-inch 2-ohm subwoofer has an angled design to fit behind car seats and

$260.99

Jbl | | Refurbished Excellent | CLUB122 12” 1200w Peak Subwoofer w/SSI Switch from 2 to 4 | Black | Best Buy

JBL CLUB122 12” Subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm | Jbl | | Refurbished Excellent | CLUB122 12” 1200w Peak Subwoofer w/SSI Switch from 2 to 4 | Black | Best Buy

$149.99

Metra | | Axxess AXDSP-X Subwoofer Control Bass Knob Interface | Black | Best Buy

This AXXESS bass knob is an add-on accessory for AXDSP-X. If you are using AXDSP-X to install an aftermarket subwoofer, it provides a quick independent control of the subwoofer gain. | Metra | | Axxess AXDSP-X Subwoofer Control Bass Knob Interface | Black | Best Buy

$13.99