2-Ch 500W(rms) MOSFET Amplifier   4-Ch 500W(rms) MOSFET Amplifier  
 
 
GL-A07/A07B
  
GL-A17/A17B
  
  2-Ch 250W(rms) MOSFET Amplifier   4-Ch 260W(rms) MOSFET Amplifier      
   
GL-A18/18B