The Korg EXB-PCM06/07 Orchestral Collection PCM Expansion Board is a high-quality, Japan-made expansion board designed for synthesizers. This specific model features a collection of orchestral sounds, perfect for adding elegant and intricate melodies to your music. The Korg brand is known for producing reliable and innovative musical equipment, making this expansion board a great addition for music producers and synthesizer enthusiasts looking to expand their sound capabilities.