7 Band Car Audio Graphic Equalizer                                                                                                                                                                                                                                                                                                             The Massive EQ 7X is a half din 7 Band Graphic EQ that will correct peaks and dips in sound characteristics associated with most vehicles' interior that dampens and limits both speaker output and imaging. This EQ provides powerful features in a compact size. A switch lets you change the faceplate backlit color from Orange to Soft Blue to match your cars interior lighting.