OSD Audio's Black Series S-Series, featuring models S80-MK2, S81-MK2, and S82-MK2, is a collection tailored for audiophile enthusiasts and high-end home theaters. The S80-MK2, S81-MK2, and S82-MK2 speakers are designed to deliver exceptional sound quality, with a focus on precise soundstage, deep and controlled bass, and crisp, natural mid and high frequencies. Each model in this series is crafted with a sonically neutral cabinet design, providing a stable, resonance-free platform that enhances the audio experience. The S80-MK2 is known for its powerful 8" woofer and silk tweeter, the S81-MK2 features a triple tweeter array for detailed sound reproduction, and the S82-MK2 is a standout with its dual 8” fiber cone woofers.