Brand: Empire
The phrase "Empire 909 E X" may refer to a specific product or brand in the Empire range. Empire is a brand that produces audio equipment, such as DJ mixers, CD players, and headphones. The product code "909 E X" suggests that it's a variation or upgrade of the original Empire 909 model. Without further context, it's challenging to determine the exact nature or features of this product. I recommend checking Empire's official website or contacting their customer support for more information.