ETS SM9 8 Zone Audio Surveillance Kit

8 SM1 Microphones, SM8 Switcher/Mixer/Amplifier. The SM9 is a manual switching 8 zone audio surveillance system which ETS made for independent live monitoring or to be used with tape recorders hold record/playback functions. features 2 operation modes consist switcher mixer options, it also comes pre-amplified mixer/switcher/amplifier, as well warning label and 3' dual RCA patch cable. an easy use install affordable most users saving on time money future applications.

• The functions
• The cable
• The applications