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ETS SA4 4 Channel Speaker Driver
Product Description
Typically for use with multi-zone remote
monitoring 2-way audio surveillance systems.
Can also be used in any multi-zone public
address application. Accepts line level inputs.
Each output can drive a single speaker up to
1000 feet away via a 70V line. Long cable runs
must have the ETS LT870 transformer option
installed at the speaker.