7 Band EQ 7 Band EQ / Sub control 7 Band EQ
 
GL-E01/GL-E11/GL-E11B
  
GL-E02/GL-E12/GL-E12B
  
GL-E03/GL-E13/GL-E13B
  
  7 Band EQ / Sub control   7 Band EQ   7 Band EQ / Sub control  
 
GL-E04/GL-E14/GL-E14B
  
GL-E05/GL-E15/GL-E15B
  
GL-E06/GL-E16/GL-E16B
  
  7 Band EQ   7 Band EQ / Sub control   10 Band EQ / Sub control / 2-color night illuminated  
   
GL-E08/GL-E18/GL-E18B
  
GL-E09/GL-E19/GL-E19B
  
  Panel with a cover / 7 Band EQ / Sub control   7 Band EQ / Sub control   1/4 Din / 5 Band EQ / Sub control  
     
GL-E24
  
  1/4 Din / 5 Band EQ / Sub control   1/4 Din / 7 Band EQ / 2-color night illuminated   7 Band EQ / Sub control  
   
GL-E26
  
GL-E27/GL-E37/GL-37B
  
  7 Band EQ / Sub control   5 Band Parametric EQ / X-over   7 Band Parametric EQ / Sub control  
  GL-E10   GL-E20  
GL-E30
  
  7 Band EQ / Hi-power   7 Band EQ / VFD Spectrum Analyzer   6 Band Parametric EQ  
  GL-E31/GL-E31B   GL-E81  
GL-E86
  
       
  GL-E40   GL-E41   GL-E42  
    Bass Maximizer   Crossover  
  GL-E43   GL-X09 Bass Maximizer   GL-X31 Crossover