This used Alesis QS6.1 Synthesizer is in good condition and offers incredible sound quality with powerful synthesis capabilities. Featuring a 61-note semi-weighted keyboard with velocity and aftertouch, it includes 16MB of high-fidelity sounds covering pianos, synths, strings, and more. With a 64-voice polyphony and 16-part multitimbral operation, it's perfect for both studio and live use. The QS6.1 boasts four assignable control sliders, extensive onboard effects, and full MIDI implementation. It includes two PCMCIA expansion slots for QCards, allowing for sound expansion. This unit has been tested and functions properly with minor cosmetic wear consistent with use. Whether you're a professional musician or a synth enthusiast, the Alesis QS6.1 is a versatile and reliable instrument that delivers warm digital tones and flexible programming options. Power supply not included unless specified.