The OC HT 1 on-ceiling speaker delivers audiophile performance and ideal for the retro-fit and Multi-Dwelling Unit (MDU) markets. It is the ideal sonic solution when ceiling placement is the preferred location for your music/home theater system. The circular cabinet of varying depths enhances the bass response by virtually eliminating standing waves. This cabinet design results in cleaner, better defined bass with an improved attack/decay ratio. The OC HT 1 is the perfect solution, particularly for the retro-fit and MDU (multi-dwelling units) markets.