The BOSE's FREESPACE IZA 250 LZ integrated zone amplifiers is designed to deliver crystal sound, provide simplified set up and easy daily operation for background music and paging amplification. It features signal processing, routing, paging, and Class-D amplification in a durable chassis that is half the width of a 1 RU slot. It has a variety of inputs (mic, line, aux, and paging), as well as input gain and output level controls, 2-band EQ, and EQ settings for Bose FreeSpace FS2 and FS4 loudspeakers.