Expanding An Iza System With A Za Amplifier; System Operation; Input Connections; Connecting The Iza 190-Hz/250-Lz Amplifier To The Za 190-Hz/250-Lz Amplifier - Bose Professional FreeSpace IZA 190-HZ Guía De Instalación Y Funcionamiento

Setup and Operation
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Expanding an IZA system with a ZA amplifier

The Bose FreeSpace ZA 190-HZ/250-LZ zone amplifier makes system expansion easy� When a system design requires
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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 output channels�

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�
FS2C/
SE/P
FS4CE/SE
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 4400 Business Music System and ControlSpace Engineered Sound Processor�
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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

Loudspeaker connections

Refer to Section "Loudspeaker connections" on page 21 for instructions�
English Installation and Operation Page 29