The new PX 5 Professional Monitor Speaker Set from Fostex consists of totally new 5.2" LF driver and 1" HF tweeters. The Crimson woofer is constructed from aramid fiber with mixed diaphragm infused with resin for higher rigidity. The urethane film laminated polyester fiber dome tweeter is tuned with the back chamber for smooth high frequency sound. The superior digital FIR filter realizes unprecedented accurate sound reproduction and delivers class leading sonic performance. The PX 5 Monitors offer an energy saving Auto Standby/Auto Operation function, and a Fade In function to gradually increase the output level when powering on. Founded in 1973, Fostex is an acclaimed manufacturer of location sound, multi track recording, and speaker products.