Audiocontrol Epicenter Epicenter Car Audio Digital Bass Equalizer White Digital Bass Restoration Processor (White) Frequency response: 10 Hz - 100000 Hz Total Harmonic Distortions: 0.005% Signal-to-Noise ratio: &gt;120 dB RMS Output: 9.5 Volts | Dimensions: 8" x 5.5" x 1.25"