BOSS Audio BASS16 16 Watt Low Profile Amplified 1 Inch Subwoofer with Remote Subwoofer Control

Amazon.com Price: $94.95 (as of 02/06/2019 11:34 PST- Details)

Class A / B Built-in Amplifier, Pulse Width Modulation (PWM) MOSFET Power Supply
High Level and RCA Low Level Inputs, Switchable Phase Control
Variable Low Pass Filter, Subsonic Filter and Bass Boost