All Parts Single Economy Sealed Chrome Bass Key - Treble Side BASSBOSS Swing the damper arm out

Swing the damper arm out of the way for live performances where your sound requires greater strength and resonance

the L-00 has been an industry standard for many years

An automatic pressure equalizing valve protects the case from creating a vacuum during altitude changes or atmospheric pressure differences by allowing air to pass through while preventing water from entering to keep your Shure wireless system dry and intact

In cases when the MC-3+'s digitally-compensated clock accuracy is not sufficient

All Parts Single Economy Sealed Chrome Bass Key - Treble Side BASSBOSS Swing the damper arm outEconomy bass tuning key, sealed, compact, 20: 1.