The FreeSpace ZA 190-HZ from Bose Professional is designed to provide basic amplification and sound system expansion when using front-end Bose products, such as FreeSpace IZA integrated zone amplifiers and ControlSpace engineered sound processors. Expansion is simplified when this amplifier is used with a FreeSpace IZA integrated zone amplifier, where one cable connection allows the amplifiers to function together as one system-sharing music and paging sources, as well as master volume control. The FreeSpace ZA 190-HZ ships with a Euroblock connector, a stereo RCA cable, and a standard IEC power cord.