Audio Systems BAB10 Amplified Car Subwoofer - 1200 Watts Max Power, Low Profile, 10 Inch Subwoofer, Remote Subwoofer Control, Great for Vehicles That Need Bass But Have Limited Space

BUILT-IN AMPLIFIER: A built-in 1200 Max watt amplifier powers the subwoofer, PULSE WIDTH MODULATED: This design controls the output voltage and current precisely by not only removing the output current sensing loss, but also eliminating all secondary feedback circuitry. It increases efficiency,lighter., 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 BAB10 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 BAB10 with the source unit. Most aftermarket radios have multiple pairs of RCA outputs that can connect to multiple amplifiers