10-Inch Low-Profile Amplified Subwoofer System - 900 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built In Amp, Powered Car Subwoofer w/ Low & High Level Inputs - Pyle PLBX10A - Walmart.com
PSB Speakers Launches In-Room CSIR SUB with Optional Amplifier and Multiple Placement Options | audioXpress