The Yamaha RM1X is a rhythm sequencer that was produced by Yamaha from 1999-2002. It has highly customizable preset patters and plenty of space to store your own patterns.

Some specifications of this model are :
-960 presets (60 Styles with 16 Variations each).
-Up to 800 User patterns
-Over 800 voices (including drum kits), many specially programmed.
-Maximum 32note polyphony (though the sequencer can handle 64 simultaneous notes when used with additional sound sources).
-16part multitimbrality.
-Eight realtime control knobs.
-Four dials for changing parameters.
-Microkeyboard laid out like a piano keyboard (also doubling as a numeric keypad, pattern selector, transpose tool and mute matrix).
-Arpeggiator.
-Variable Low Boost parameter with a +/24dB range for beefing up the bass end when required.

The used RMX1 we have here is in excellent condition, with no cosmetic flaws.