Pioneer DEQ7600 15 Band Equalizer
15 Band Spectrum Analyzer - 5 Mode Digital Sound Field Control - RCA Input

Soundstream BX10 Digital Bass Reconstruction Processor

Boss BX55 2/3-Way Electronic Crossover Remote Subwoofer Level Control
2/3-Way Electronic Crossover, Remote Subwoofer Level Control

Kicker 03KQ5 5-Band Parametric Equalizer
5-band parametric equalizer with 2 sets of inputs for line switching & fader control.

Boss Audio AVA-1215 Equalizer
Mini 5 Band Preamp Equalizer with Subwoofer Output

Power Acoustik PEQ-70 7-Band High Performance Equalizer/Pre Amp
4 RCA Line Outputs - LED Level Indicator - Full Night Illumination - High/Low Level Inputs

Soundstream - MPQ-7B - Equalizers
 1/2-DIN 7-Band Graphic Equalizer with Subwoofer Level Control 

  $59.95

Pyle Pro PPEQ200 Dual Channel 20 Band Octave Graphic Equalize PPEQ200
The PPEQ200 Dual Channel 20 Band Octave Graphic Equalizer from Pyle-Pro is ideal for professionals and amateurs alike with its LED display and independent channel volume controls.

  $109.95

AudioControl - LC8i - Line Output Converters
8-channel Line Output Converter with Auxiliary Input

  $169.00