This bass synthesizer is also loved by professionals. Although it was very popular, it is rarely seen on the market even as a used item due to its discontinuation. Being an older model, it is expected to become even more rare in the future. Sound output has been confirmed. Included are the main unit, box, and instruction manual. Please check the photos for detailed condition. Thank you for your consideration. Bass Synth Synthesizer Multi-effects Roland Discontinued Rare Roland/Roland VB-99