Pyramid 719A 7 Band Graphic Equalizer with 12dB Boost Half DIN Size fits into dashboard with Radio - Lighted Power and Separate Boost/Defeat Switch - 200mV High Impedance - Dimensions: 7''L x 1''H x 5.13''D Pre-Amp Line In - 7 Band Graphic Equalizer w/12dB Boost/Cut - 4 Gold Plated Output Jacks 10k Ohm Hi-Impedance Inputs - Dual 5 Segment Multicolored LED Power Meters - 2 Gold Plated Input Jacks 100 Ohm Low Impedance Input - Input Sensitivity: 2.0 Volts Low Impedance - S/N Ratio: Better Than 85dB Fader Slide Control - Frequency Response: 20-20kHz - Floating or Common Ground Hook up