Features a double horn.The fourth valve allows you to switch between the brighter "Bb" key to a more round, warm and fuller tone of the "F". Also features a flared bell, creating mellow tones and ringing quality. The smooth finish makes this instrument scratch and stain resistant and more durable. 
 
Model: OPUS
Key: F/Bb Key
Number of Valves: 4 rotary valves
Level: Intermediate 
Lever Action: Mechanical
Bell Type: One Piece Fixed Bell
Body: Yellow Brass 
Finish: Clear lacquer

Comes with
a hard case,
Silver plated mouthpiece,
Rotary oil,
Cleaning cloth,
Gloves.

1 year warranty labor and parts，local service by MusicM.