The SA4 from ETS is a 4 channel, line level in to 2 Watt, selectable 70V or 8 Ohmspeaker driver (power amplifier) typically for use in 2 way audio surveillance systems. Directly connects to DVRs and remote monitoring equipment. The SA1 can also be used in any four zone public address application. Use our Sound Surveillance speakers with a built in 70V transformers to permit speaker cable runs up to 1000 feet.
|Connection Type||2 Conductor Speaker Wire|