BOSS Audio Systems B12ES 12″ Powered Car Subwoofer, Built-in Amplifier, 1200 Watts Max

Space Saver – The combination of amplifier and subwoofer all in one, makes this ideal for spatially challenged vehicles. With a compact design, there are a few installation options. Embrace the Bass. Built-in Amplifier – A built-in amplifier powers the 600 Watt subwoofer. There is no need for an external power source. Installation made easy 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, is lighter, smaller reliable High Level Input – Speaker level inputs are commonly referred to as high-level inputs. It will be used to connect the B12ES to your factory radio or an aftermarket radio that does not have low-level (RCA) inputs Low Level Input – Line level inputs, also known as RCA inputs or low-level inputs, use RCA interconnect cables to link the B12ES with the source unit. Most aftermarket radios have multiple pairs of RCA outputs that can connect to multiple amplifiers