Conn French Horn Mouthpiece, CG12 Deep Cup. Brand: Conn. Price: $62.00. Enhance your purchase. .... Holton Farkas French Horn Mouthpiece (H2850MC) 4. Geesatis Gold Plated Standard Horn Mouthpiece Deep Cup Mouth Horn French Horn Mouthpiece. Horn Mouthpiece is made of solid and thicken metal, durable, stable, high quality, and Come out with a pretty clear sound. Twinkling and stylish, nice for any beginning players.