Roland SP-404A is based on Rolands SP-404SX, a longtime sampling favorite of DJs and music producers. All of the functions and features of the SP-404SX are contained in the SP-404A, including 16-bit linear sampling, 29 onboard DSP effects, smooth FX switching, 12 professional performance pads, and an onboard pattern sequencer. The SP-404A can be triggered from the Roland AIRA TR-8 Rhythm Performer via MIDI for integrated beat and sample production. Users can incorporate samples from the SP-404A and use them in conjunction with drum patterns, and each of the TR-8s 11 tracks can trigger a sample on the SP-404A, play a TR-8 sound, or both. Additionally, the TR-8 can be used as an audio sub-mixer and processor for the SP-404A. In this configuration, all samples played on the SP-404A can be effected using the TR-8s Scatter feature to reverse, glitch, gate, truncate, stutter, and perform
