Planet Audio P10AWK Amplified Car Subwoofer - 1000 Watts, Low Profile, 10 Inch Subwoofer, 8 Gauge Amplifier Installation Kit Included. Great for Vehicles That Need Bass But Have Limited Space

PWM MOSFET - Pulse Width Modulated design simplifies power supplies. It controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry. It’s efficient & reliable Variable Low-Pass Filter - A low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. You will use the Low-pass filter to primarily keep high notes out of your subwoofer(s) High Level Inputs - Speaker level inputs are commonly referred to as high-level inputs. It will be used to connect the P10AWK to your factory radio or an aftermarket radio that does not have low-level (RCA) inputs Low Level Inputs - Line level inputs, also known as RCA inputs or low-level inputs, use RCA interconnect cables to link the P10AWK with the source unit. Most aftermarket radios have multiple pairs of RCA outputs that can connect to multiple amplifiers Variable Bass Boost - Variable Bass Boost allows you to adjust the low bass within the boost range to just the way you like it.Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier.Specs - Dimensions: 13.58” x 10.43” x 3.15”, Weight: 10.53 lbs.