The Roland SP-555 is a discontinued music sampler manufactured by Roland Corporation. The 555 is part of the SP family, which includes Boss’s popular SP-303 and Roland's SP-404 installments. The sampler was released in 2008. The following list is a correct order of each SP installment's release, as an attempt to help musicians avoid any confusion.
The Roland SP-555, released in 2008, was a performance sampler offering looping, effects, and D-Beam control. This portable unit expanded on the SP-404 with additional features for live performance. The SP-555 targeted DJs and live electronic performers.
