2-Room System: The PD WT10SET is a 2-room Wi-Fi ceiling speaker system, ideal for enhancing audio in homes and small commercial spaces. It's great for background music in residential, office, or small retail areas. Easy App Control: The 4STREAM app, compatible with various smart devices, simplifies audio control. Its user-friendly interface allows volume adjustment, track selection, and room-specific settings, making the smart ceiling speakers accessible and customisable. Moisture-Resistant Speakers: Including 5-inch moisture-resistant ceiling speakers, the system is perfect for humid areas like bathrooms and kitchens. Their durable design ensures reliable performance in various environments.