JBL Professional","The Control 1 is a high performance personal monitor loudspeaker. Incorporating a 5¼ inch (135 mm) low frequency loudspeaker, 3\/4\" (19 mm) high frequency radiator and high performance dividing network, the Control 1 provides full-range, low distortion reproduction in a variety of applications. Compact and durable, the Control 1 performs equally well in recording studios, mobile audio video control rooms and broadcast studios. It is also highly suitable for foreground and background music use in restaurants, discotheques, and audio-visual applications. HF and LF transducers are magnetically shielded, permitting the Control 1 to be used in close proximity to video monitors. Well balanced sound and exceptional power handling make the Control 1 ideal for any installation requiring professional control monitor performance from a compact source. Control 1 mounting versatility is enhanced by a complete line of installation accessories.