Bose FreeSpace IZA 190-HZ Service Manual page 16

Setup and Operation
Expanding an IZA System with a ZA Amplifier
®
The Bose FreeSpace
a system design requires more loudspeakers than the FreeSpace IZA 190-HZ/250-LZ Integrated
Zone Amplifier can support, the FreeSpace ZA 190-HZ/250-LZ Zone Amplifier is available to
provide additional power.
System operation - The IZA 190-HZ/250-LZ and ZA 190-HZ/250-LZ amplifiers will function
together as one system – sharing the same music and paging sources. The IZA 190-HZ/250-LZ
amplifier functions as the "master" of the ZA 190-HZ/250-LZ amplifier – determining which audio
sources will be heard and controlling the overall Master Level volume.
Input connections
Connecting the IZA 190-HZ/250-LZ amplifier to the ZA 190-HZ/250-LZ amplifier
Connect the AUX OUT of the IZA 190-HZ/250-LZ amplifier to the INPUT of the ZA 190-HZ/250-LZ
amplifier with the included RCA cable.
Note: It is recommended that when amplifiers are connected together, that both amplifier AC
power cords are plugged into the same AC outlet.
Connecting the Zone Amplifier with other Products
The zone amplifier can also be used as a standalone power amplifier with a front-end signal
processor – including the Bose FreeSpace
Business Music System, and ControlSpace
Line input connections
When using a front-end signal processor, the included RCA cable may need to be modified.
The wiring diagram for the zone amplifier line input RCA connectors is provided below.
Sleeve
Tip
PRODUCT DESCRIPTION
®
ZA 190-HZ/250-LZ Zone Amplifier makes system expansion easy. When
®
®
DXA 2120 Digital Mixer/Amplifier, FreeSpace 4400
Engineered Sound Processor.
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