Oxford Concerto Cello Bag, 4/4 nd The "wah-wah" sound is made

The "wah-wah" sound is made by a sliding cup in the end of the mute

and you have essentially an engine for any type of sound you’re looking to get

machine-tight rhythms with character

Die cast black metal housing with high impedance input jack for pick-up

Oxford Concerto Cello Bag, 4/4 nd The "wah-wah" sound is madeMeet the Oxford Concerto Cello Bag your 4 4 cello's perfect travel companion! With double stitched handles, reinforced bridge panel, and comfy backpack straps, it's built for the road. Roomy pockets for your bow, music, and accessories keep you organized. Inside, 12mm high density foam padding cradles your instrument in comfort. Stylish, sturdy, and smart this bag hits all the right notes for the on the go cellist!