Check the listing for details. Yamaha QX3 Vintage Digital Sequence Recorder. Color: Black, Condition: Open box, Made in Japan. Listed at 325.00 USD. Up for your consideration is this one owner vintage Yamaha QX3 sequencer in mint condition. It has been tested and functions as it should. Also included is the original sheet music stand and original owners manual. It will be shipped in the original box it was packed in. The Yamaha QX3 Digital Sequence Recorder is a vintage MIDI sequencer with a tabletop form factor, perfect for musicians and producers looking for a reliable and high-quality device. With 16 channels and digital capabilities, this sequencer offers a wide range of sound options and the ability to connect to various MIDI devices. Its sleek black design and compact size make it a versatile tool for creating music and beats, whether in a studio or live setting.