GR Technologies

"The world's most technologically advanced brass mouthpieces".

    
     
     
     
 

We do the math...you make the music.

                
   
     

 

    
    GR Player

 Jumaane Smith

Lead trumpet with Michael Buble

 

   
       
   

Featured Mouthpiece:

GR MX Trumpet Mouthpieces

 

    
       
       
       
       
       
       
     
           
   
             
   

GR Technologies L.L.C.  Box 96  Dousman Wisconsin 53118 U.S.A.

    
       

 

        
   

(705) 715-7060

    
   

   
   

Brass Mouthpieces by Gary R. Radtke

    

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GR® is a registered trademark and must not be used without permission.