This item is a top-quality sound system controller from SOUNDOFF SIGNAL specifically designed for public safety staff equipment. It boasts the latest technology to enhance your audio experience and ensure crystal clear sound. The model number for this product is ETSA481CSP, and it is compatible with various other SOUNDOFF SIGNAL products. The controller is ideal for use in a range of settings, including business and industrial facilities, as well as for facility maintenance and safety purposes. It has been rigorously tested to ensure its reliability and durability, so you can be confident in the quality of your purchase.