Factory sound systems often adjust the bass curve of your music when you turn the volume up, lowering the bass in an attempt to protect the system. NVX audio components are more robust and thrive off of the additional power from amplifiers. The XBBR Bass Reconstruction Processor integrates with your factory or aftermarket radio to give you full control of your bass frequencies. A frequency adjustment filter allows you to pinpoint which frequency you need boosted while the Q adjustment allows you to adjust the surrounding frequencies to be effected. The XBBR is essentially a bass boost EQ that connects right to your amplifier and intercepts the main audio signal. 8V RCA inputs and outputs assure your reconstructed signal is transmitted in the highest quality with no additional noise added to the system. Take your bass back from your factory headunit or fine tune it from the aftermarket radio. Whichever you choose, the NVX XBBR is on your side.