All reeds in this instrument are hand-tuned by an expert and regulated by our own Excalibur Luthiers. This level of reed quality control ensures that this is one of the best Melodicas you can buy. The Milwaukee Pro Edition also includes QRA (Quiet & Responsive Action) along with side venting to keep the reeds dry and reduce reed fatigue. Features: • Hand-Tuned Reeds • 37 Note Neo-Responsive Keys • Balanced Weight Action • Vented Shell Reduces Reed Fatigue • Optimal-Flow Large Bore Mouthpiece • Hard-Shell & Nylon Covered Case HAND TUNED IN MILWAUKEE WISCONSIN