What are the best clarinet in bb with advanced features for professionals?

This professional Bb clarinet uses a Greenline composite made from grenadilla powder, polycarbonate fiber, and epoxy resin, providing resistance to temperature and humidity changes. Its poly-cylindrical bore, undercut toneholes, 17 nickel-plated keys, and adjustable thumb rest suit advanced performers, orchestral musicians, teachers, and frequent travelers.

The Yamaha YCL-650II is a professional Bb clarinet made from seasoned grenadilla wood, with silver-plated keys, tapered undercut tone holes, leather pads, and a 65mm barrel. Its focused response, warm tone, adjustable thumb rest, and hand-finished construction suit serious students, advanced players, and professional performers.

The BACKUN Beta is a wooden Bb clarinet made from unstained, naturally aged grenadilla wood, with a poly-cylindrical bore, adjustable thumb rest, leather pads, and nickel or silver-plated keywork. It is designed for intermediate and advancing players seeking a responsive step-up instrument with professional-style features.

The Gala is a professional Bb clarinet made from stained grenadilla wood with a polycylindrical bore, silver-plated keywork, leather pads, and black nickel-plated rings. It includes 65 mm and 66 mm barrels and suits professional musicians and passionate advanced amateurs seeking a French-made instrument with a balanced, harmonically rich sound.

The Buffet Crampon R13 is a professional B-flat clarinet made from grenadilla wood, with 17 keys, 6 rings, and an adjustable thumb rest. It offers a centered, harmonically rich sound with strong projection and flexibility for orchestral, chamber, solo, teaching, and military-band playing.