The Bose FreeSpace IZA 190-HZ integrated zone amplifier is designed to deliver premium sound, provides simplified set up and easy daily operation and offer the flexibility to expand when more loudspeakers are required. For background/foreground music and paging applications, the Bose® FreeSpace® IZA 250-LZ and IZA 190-HZ integrated zone amplifiers are designed to deliver premium sound, provide simplified set up and easy daily operation, and offer the flexibility to expand when more loudspeakers are required. When used with FreeSpace DS 16 and DS 40 loudspeakers, even further sound optimization is possible through onboard selectable EQ presets.