Can Technology Produce Small Subwoofers With Big Bass? - Blog | Axiom Audio | Axiom Audio
BLAUPUNKT 2.5" Tall Super Slim Single 10" Active Under Seat Subwoofer 200 WATTS 815592022619 | eBay
Dad found this Focal Sub P 25 DB in cash converters dumpster it was just a little beat up but it sounds good : r/subwoofer
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 :