- Seven equalization bands (50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz, 6kHz, and 16kHz), each frequency is adjustable from -12 to + 12dB (-15 to +15dB for subwoofer frequencies) - Subwoofer output uses a built-in 18dB per octave electronic crossover fixed at 60Hz or 90Hz - Three stereo RCA outputs to drive front, rear, and subwoofer audio amplifiers - An auxiliary stereo RCA input for use with portable devices, such as an MP3 Player or DVD player - Separate controls for master volume, subwoofer volume (sub level), front/rear fader, and selection of main or auxiliary inputs - Extended frequency response from 20Hz to 30kHz with exceptional 100dB signal-to-noise performance - Gold-plated RCA connectors to ensure the best audio signal output - ISO mounting holes and removable trim ring for custom installation Technical Details: Graphic Center Frequencies: 50Hz, 1256Hz, 315Hz, 750Hz, 2.2kHz, 6kHz, 16kHz Boost/Cut: 12dB S/N Ratio: 100dB Frequency Response: 10Hz ~ 50kHz +/-3dB Maximum Output Voltage: 7V THD: 0.005% Input Sensitivity: 50mV ~ 3V Head Room: 20dB Input Impedance: 20kOhms Output Impedance: 2kOhms Stereo Separation: 82dB/1kHz Operating Voltage: 11V ~ 15V Negative Ground Size: 7 x 4 1/8" x 1 inches