The Electro-Voice DH1K is a high-frequency compression driver with a 1.44-inch (37mm) titanium diaphragm and a 100W RMS power handling capacity designed for high acoustic power output. It features a unique titanium diaphragm and an aluminum rectangular voice coil for efficient heat dissipation and high performance. It can be used in various EV speaker cabinets included in the ELX, ZLX, EKX and Live X series. The replacement diaphragm is available as a separate part.