The Wharfedale Apollo series of Loudspeakers has been meticulously crafted to be at the forefront of technology. The Apollo 15 mid-range speaker is a versatile loudspeaker for live performance or permanently installed audio reproduction and is built the vast experience of the Wharfedale Pro design team. The high-frequency compression driver is unique. Delivering a special feel to the high frequencies due to it’s efficient neodymium magnet. This is enhanced by a polyethylene diaphragm which as you will shortly experience, gives a freshness, clarity and crispness to the high frequencies which is unparalleled.