Pearl's P922 double bass drum pedal -featuring the patented Power shifter system- is an exceptional and affordable way to fast-track your double bass chops. The locking three position heel plate adjusts to deliver light, standard, or strong feel with fast, accurate beater action from each pedal. The adjoining universal joint accurately captures every stroke from the secondary pedal, and each two-surface Duo Beater is angle adjustable for personalized action and quick response.