PreSonus Inspire 1394 - Manual (Page 20)

APPLICATIONS
20
Inputs 1 and 2: These inputs are on the front of your INSPIRE 1394.
Gain: This knob will control the gain of your preamplifier.
48V: This button will turn 48 Volt Phantom Power on/off.
Limit: This button will turn the preamplifier’s limiter on/off.
Boost: This button will turn the preamplifier’s +20dB boost on/off.
Stereo Input 3/4: This RCA stereo input is on the back of your INSPIRE 1394.