Housed together in a cast enclosure is 8x12" subwoofer with a built in RMS 150W amplifier
Peak: 800 watts. ^^ The compact size measures just 11 L x 7.5 W x 2-3/4 D so it can be installed under or behind a seat in a truck, in a sedans trunk or in an SUVs hatch. ^^ PWM MOSFET Power Supply/Thermal Protection Circuit Remote Subwoofer Control Included RCA and High-Level Inputs. ^^ Small Package but Powerful Sound, and Comes with wired remote to control all the bass from the Drivers Seat. ^^ VARIABLE BASS BOOST - 0 - +12 dB
Variable Low-pass Filter: 50- 150 Hz, CONSTANT SUBSONIC FILTER @ 20Hz
Selectable Phase: 0 or 180 degrees.