Released in  2005, it is part of the SP family and successor to where Boss Corporation’s SP-505 sampler left off. The sampler was succeeded by the SP-555 in 2008, but was later given its own upgrade as the Roland SP-404SX Linear Wave Sampler in  2009.
Released in 2005, this product is part of the SP family and builds upon where Boss Corporation’s SP-505 sampler ended its run. The SP-555 took over in 2008, but was later enhanced with the Roland SP-404SX Linear Wave Sampler in 2009.