© 2013 Exile Audio • www.exileaudio.com
XM15.4
4 Channel Power Amplifier
OUTPUT
Connect preamp signal cables from the head unit to
these terminals.
INPUT (FRONT AND REAR)
Connect preamp signal cables from the head unit to
these terminals.
HPF
Controls the high pass crossover point for the
speaker outputs.
XOVER
HF - Sends high frequency signal to speakers.
FULL - Sends a full range signal to speakers.
LF - Sends low frequency signal to subwoofer.
LPF
Controls the low pass crossover point for the
speaker outputs.
BASS BOOST
Variable bass boost from 0 to +18dB @ 45 Hz.
GAIN
Used to reach maximum amplifier power with a wide
variety of headunits.
POWER/PROTECT
Indicates if the amplifier is working correctly (BLUE) or gone into
protect mode (RED).
REMOTE
This port is for connecting the optional remote level control
(XMRB1). This allows up to 20dB of volume adjustment. This is
not a bass boost, it controls the level of the low pass signal.
SPEAKER OUTPUTS
Used to connect the amplifier to the speakers. Use the
left channel positive (+) and the right channel negative (-) for
bridged mode.
FUSE
This amplifier requires two 40A fuses.
12V+
This must be connected to the fused positive terminal (+12V) of
the car’s battery.
REMOTE
This must be connected to sw12V, usually a trigger wire
coming from the head unit or ignition.
GND
This must be connected to the negative terminal of the car’s
battery or bolted to a clean, unpainted part of the chassis of
the vehicle.