Boss SP-505

The BOSS SP-505 Groove Sampling Workstation/SP-505 is a sampling workstation made by Boss Corporation, which is a division of Roland Corporation. The digital sampler is part of the SP family and was released in the year of 2002, as a follow-up to Roland’s SP-303 installment. Ironically, both the 303 and 505 installments were succeeded by the release of Roland's SP-404 in the year of 2005.
Notable users.
Despite not initially becoming as popular as the 303 and 404 installments, the 505 is well-associated with hip-hop producer Madlib.