Emtech Electronics IA-250 User Manual

Page 2

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IA-250 2 Ch. Mixer/20W Class D Amp

The IA-250 is a two channel mic/line audio mixer, and 20W Class D amplifier mounted in a 3-gang
in-wall box. It was designed to be compact and easy to operate, while providing high quality sound
reinforcement for a small room. Powered by it’s own 24Vdc plug-in power supply, the IA-250
means that your requirement for sound reinforcement is no longer dependent on the presence of an
19” rack.

Installation Overview

Setting up the IA-250 is quite easy. Please refer to the back of the IA-250, where terminal and
switch positions are etched in the copper, or to figure 1 below.

Figure 1 : Backside of the IA-250

Phantom Pwr

Mic/Line