Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
Pyle 6.5” Slim Marine Subwoofer - 150W 4 Ohm Waterproof Car Component Speaker System (Black) - Walmart.com