Audio inputs, Audio input – Extron Electronics MPA 152 Plus User Guide User Manual

Page 12

Audio Inputs

Use the rear panel receptacles (see figure 4) to connect audio sources to the amplifier. Wire
the connectors as shown below.

INPUTS

Figure 4.

Audio Inputs

RCA unbalanced stereo input connectors — These
receptacles accept unbalanced, line level audio signals. The input
can be stereo, using two RCA connectors, or mono, using a
single RCA connector plugged into the left receptacle.
If unused, the receptacles automatically terminate to lower the
noise floor.

3.5 mm unbalanced stereo input jack — This input also
accepts unbalanced, line level audio signals through a 3.5 mm
tip‑ring‑sleeve (TRS) stereo connector. If unused, the receptacle
automatically terminates to lower the noise floor.

Captive screw balanced
or unbalanced audio input
connector — This 5‑pole 3.5 mm
captive screw receptacle accepts line
level, balanced or unbalanced, mono
or stereo audio signals.
See the

attention

(on page 5) and

note

(on page 5) for important

information about connecting wires to
captive screw connectors.
Depending on the position of the
front panel toggle switch (see

figure 8

on page 10), the right and left channels may be

output as a stereo signal or as a dual mono signal. See

Audio Output

on page 9 for

more information.

Tip (+)