JodyJazz DV BEATBoX Tenor Saxophone Mouthpiece — Derek Brown SignatureThe JodyJazz DV BEATBoX Tenor is Derek Brown's signature palladium plated DV custom tuned for slap tongue and percussive beatbox techniques. Also a strong contemporary tenor mouthpiece in its own right. Palladium plated metal construction Custom DV chamber for slap tongue Derek Brown signature specifications Hand finished and individually play tested Made in Savannah Georgia USA Authorized JodyJazz Dealer Victory Musical Instruments.