Overview
This guide provides basic instructions for an experienced installer to install and
configure the Extron MPA 401-70V and MPA 401-100V mini power amplifiers.
INPUTS
OUTPUT
50/60 Hz
100-240V .3A
2
1
3
4
L
R
L
R
L
R
L R
L
R
AUDIO
VID
1
2
3
4
Y
/VID
B-Y
H/
HV
R
/R-Y
V
G
/Y
B
/B-Y
RS-232
LAN
RESET
ACT
LINK
DVI-I
YC
SDI
R-Y
/C
RGB/R-Y,Y,B-Y/YC/VID
I
N
P
U
T
O
U
T
P
U
T
I
N
P
U
T
O
U
T
P
U
T
POWER
12V
1.5A MAX
OUTPUT
70V
INPUTS
L
(MONO)
(MONO)
R
REMOTE
VOL/MUTE
MPA 401-70V
R
L
CLASS 2 WIRING
DO NOT GROUND
OR SHORT
SPEAKER OUTPUTS!
10V 50mA
US
LISTED
17TT
AUDIO/VIDEO
APPARATUS
®
SI 3CT LP
Full-Range
Ceiling Speakers
VC 50
Extron
VOLUME
DBS RECEIVER
Extron
MPA 401
Mini Power
Amplier
Extron
DVS 304 DVI AD
Digital Video
Scaler
w/ Audio
Audio
Flat Panel
Display
(DVI)
DSS Receiver
(S-video)
Laptop
(RGB)
DVD
(Component)
VCR
(Video)
Extron VC 50
Volume Controller
CONFIG
DISPLAY
MLC 104 IP
VOLUME
1
2
3
4
ON
OFF
Extron
MLC 104 IP Plus
Controller
Step 1 — Turn all of the equipment off and disconnect all power sources.
Step 2 — Mount the amplifier in either a plenum space, on a rack, under a desk, or on a projector.
NOTE: If the amplifier is rack-mounted, the round holes in the base must be used. Do not use the hexagonal holes. For
complete information about mounting the unit, see the MPA 401 User Guide at www.extron.com.
Step 3 — Attach the speakers to the MPA 401 using the 2-pole, 5 mm
screw-lock captive screw connector on the rear panel.
Step 4 — Attach inputs to the MPA 401 unit from the audio source or
projector. There are three rear panel audio inputs, which can be used
individually or together:
z One pair of RCA connectors (unbalanced)
z One 3.5 mm stereo tip-ring-sleeve connector (unbalanced)
z One 3.5 mm, 5-pole captive screw connector (balanced/unbalanced)
Tip
Ring
Sleeve (s)
Tip
Ring
L (MONO) R
Tip
Sleeve
Tip
Sleeve
Unbalanced Stereo Input
(high impedance)
Balanced Stereo Input
(high impedance)
L
(MONO)
R
Sleeve
Ring
Balanced Mono Input
Tip
Sleeve
Unbalanced Mono Input
L (MONO) R
L (MONO) R
NOTE: The MPA 401 amplifier mixes all right channel inputs to a single signal and all left channel inputs to a second
signal. The right signal and left signal are summed to produce a mono signal.
Ensure that the audio output of the projector is set to variable out. Multiple input options can be used simultaneously and
result in audio mixing.
Sleeve ( )
RCA Connector
Sleeve ( )
Ring (R)
3.5 mm TRS Connector
Extron® MPA 401-70V and MPA 401-100V • Setup Guide
1
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