I purchased this item used. The main unit is the only thing included; there is no box, cable, manual, etc., so please be aware of this. Sound output is not an issue, and the unit was working without problems. Used only indoors. No pets, no smoking. I think it's in good condition for a used item. A rhythm performer with up to 16 tracks, MIDI connection support, and built-in and user-provided samples. - Model: TR-6S - Function: Rhythm Performer - Connection Terminals: MIDI IN/OUT, L/Mono, R, SD card slot - Control Knobs: Volume, Tuning, Decay, Control - Number of Tracks: Up to 16 tracks - Samples: Built-in samples and user samples - Output: Stereo output - Headphone Jack: Headphone output Thank you for looking.