BEST UNDER SEAT SUBWOOFER WITH BUILT IN AMPLIFIER
BEST UNDER-SEAT SUBWOOFER WITH BUILT-IN AMPLIFIER A quality under seat subwoofer is a great addition to any car audio system. But finding one that has a built-in amplifier can be difficult. Here are some of the best under seat subwoofers with built-in amplifiers to consider for your next car audio upgrade. Pioneer TS-WX130DA Compact Active Subwoofer: This subwoofer features a 150 watt RMS amplifier and Pioneer's "G-CELL" technology for deep, tight bass. It's also one of the more compact options on the market, making it a great choice for those who want to save space in their vehicle.