Combo: MGK124 1500W Dual 4-Ohm Subwoofer with E3F Amplifier
BPKG110v2 | 500W Peak Single 10" Loaded Ported Subwoofer Package with – Belva
DS18 12" Shallow Subwoofer Bass Package 700 Watts 2 Ohm with Built In Amplifier - Walmart.com
DS18 ZR112LD-PKG Bass Package 12" Subwoofer In a Ported Box With Ampli
Amazon.com: BOSS Audio Systems CUBE8 Car Subwoofer and Amp Package – Built-in Amplifier, 8 Inch Subwoofer with Passive Radiator, Remote Subwoofer Control : Electronics
Amazon.com: DS18 SB12A 12 Inches Shallow Subwoofer Enclosure with Built in Amplifier – Car Audio All in One Amplifier and Subwoofer Bass Package 700 Watts Power – Great Stealth Car Subwoofer in
BPKG212v2 | 1200W Peak Dual 12" Loaded Ported Subwoofer Package with A – Belva
DS18 ZXI15.4D-PKG Bass Package - 2 x ZXI15.4D - 15" Car Subwoofer, ZR2
Single 8" 700 Watt SDR Series Complete Bass Package | Skar Audio
Amazon.com: Skar Audio Single 15" Complete 1,200 Watt SDR Series Subwoofer Bass Package - Includes Loaded Enclosure with Amplifier : Electronics
DS18 ZR212LD-PKG Bass Package 2 x ZR12D4 12" Subwoofers In a Ported Box 3000 Watts with ZR2000.1D Class D 1-Channel Amplifier