Focal Sub 300P 11" Active Subwoofer (Black) JMLSUB300PBL B&H
Amazon.com: MTX TN8MS Terminator 8 Inch Micro Compact Amplified Subwoofer Enclosure for Small Vehicles with Class A/B Amplifier, Variable Bass Boost, External Bass Control, and Smart Engage Auto Turn On Circuitry :
Amazon.com: 10" 1000W Power with Built-in Amplifier Car Subwoofer + Vented Sub Enclosure Box : Electronics
Amazon.com: MTX TN8MS Terminator 8 Inch Micro Compact Amplified Subwoofer Enclosure for Small Vehicles with Class A/B Amplifier, Variable Bass Boost, External Bass Control, and Smart Engage Auto Turn On Circuitry :
Pioneer TS-WX1010LA - 10 - Inch Shallow Mount Sealed Enclosure with Built-in Amplifier - Walmart.com
Amazon.com: Pyle Active Down Firing Subwoofer - 10 Inches, Ported Design with High-to-Low Input Level Controller, Invisible Down-Firing Speaker, Color Black, Built-in Convenience - PSUB10A : Musical Instruments