Testing
Before you finish the installation, you should do the
following tests to make sure the wiring is correct and
everything is operating properly.
Reconnect Battery
When wiring is complete,
reconnect the battery
negative terminal.
Test speaker connections
Make sure the speakers are connected right. Use
the balance control on the head unit to make sure
right channel is on right speaker etc. If speakers
don´t play at all, one or both speaker wires may
be disconnected.
Test power wiring
1. Turn on the head unit but do not turn up the
volume. The amplifier power light should come
on. If not, check the remote and +12 volt wires.
Also check the ground connection.
2. Turn up the head units volume slightly. All spea-
kers should operate. if not, check wiring
connections at amplifier and speakers.
8
3. Two subwoofers bridged to XM40.
Filter settings front channels CH 1 / 2
Speaker wiring XM40
Filter settings rear channels CH 3 / 4
XM40
For power wiring, see page 3-4
For high or low level input wiring, see page 4
One 4 ohm subwoofer connected to channels 1 / 2
and one 4 ohm subwoofer to channels 3 / 4.
The low pass filter
(LPF)
is
mostly used for subwoofers. It
will allow low frequencies only
and blocks higher frequencies.
A typical setting is 60 – 70 Hz.
Set the switch to
LPF
position to activate the filter.
Use this position when conncted to a subwoofer.
+ CH3 -
+ CH4
-
+ CH1 -
+ CH2
-
4 ohm
+ -
50 Hz 500 Hz
HPF FULL LPF
LPF FILTER
4 ohm
+ -
BRIDGEABLE
BRIDGEABLE
