I say mpc live or akai force, ok the reverb sucks, but make a rumble on the daw, import it, and do all other sounds with ease, best couch device imho because it has wifi, dont does emails, can resample everything (pads, audio tracks etc) the synth sound good, add maybe their fm synth, done. Probability is also there and you could sample in the syntakt you already have. maybe the reverb also works if you distort it anyways or add delay for the rumble etc. Layering samples is also an easy task. 4 layers for hard hitting drums, drum synth build in etc…