Car Amplifier Graphic Equalizer Adjustable CD AUX Input Select Switch 7 Band
Adjustable: The car sound equalizer features 7 equalization bands (63Hz, 125Hz, 315Hz, 750Hz, 2.2kHz, 6kHz, and 12kHz) that are adjustable from ‑12 to + 12db. Subwoofer frequency adjustable from 43Hz to 120Hz, 60 to 200Hz.