Altai 7-Band 12V Two Channel Graphic (Parametric) Car Audio Equalizer
Bands to Divide Frequency Range Customize each audio bands by selecting the centre fequency Adjustable sensitivity for each input. 2 Selectable inputs, line / CD. f7 : 9K, 12K, 15K or 18KHz. f6 : 3700, 5000, 6200 or 7500 Hz.