M5 — Amplifier Tuning Guide, page 1
1998-2013 Harley-Davidson®
M5-800X4 Tuning Guide
MOTORCYCLE AUDIO
#ROCKFORDFOSGATE
Maximum Radio Volume: Radio clips prematurely. Do not exceed 12 bars.
VOLUME
Harmon Kardon
Factory Radio
RADIO EQ O.K.
no flash required
TURN-ON O.K.
blue remote wire not required
AMPLIFIER TUNING
Before installing amplifier, remove cover and set PRESET to OFF position. Verify remaining settings are properly configured. Replace cover for water-tight protection.
FRONT
IN
C.L.E.A.N.
OUT
REAR
C.L.E.A.N.
OUT
MIN MAX
INPUT LVL
MIN MAX
INPUT LVL
OFF
PRESET
ON
OFF
PRESET
ON
MIN MAX
PUNCH EQ
MIN MAX
PUNCH EQ
2CH
4CH
LP
AP
HP
Hz
80 200
50 250
FREQ
LP
AP
HP
Hz
80 200
50 250
FREQ
PWR
FRONT INPUT LEVEL:
09:00 O'Clock
REAR INPUT LEVEL:
09:00 O'Clock
PRESET:
OFF
PUNCH EQ:
MIN
CROSSOVER:
HP (High-Pass)
CROSSOVER FREQ:
80Hz
INPUT:
4CH (Four Inputs)
SYSTEM TEST
After system is installed, test for proper operation. Press the AUDIO switch to cycle thru and configure these radio options:
HARLEY-DAVIDSON
AV
Bass
Audio/Setup
Display
Treble
Bass
Volume
Fader
BASS:
Set to CENTER position.
HARLEY-DAVIDSON
AV
Bass
Audio/Setup
Display
Treble
Treble
Volume
Fader
TREBLE:
Set to CENTER position.
HARLEY-DAVIDSON
AV
Bass
Audio/Setup
Display
Treble
Fader
Volume
Fader
FADER (FLHTCU Models):
Test front/back fader control.
Set to DESIRED rider position.
HARLEY-DAVIDSON
AV
Bass
Audio/Setup
Display
Treble
Display
Volume
Fader
DISPLAY:
Set to DESIRED contrast.
HARLEY-DAVIDSON
AV
Bass
Audio/Setup
Display
Treble
Volume
Volume
Fader
VOLUME:
Set to DESIRED setting for each source.
HARLEY-DAVIDSON
AV
Bass
Audio/Setup
Display
Treble
AVC
Volume
Fader
OFF
ADV (Automatic Volume Control):
Turn OFF. The AVC can clip audio output and damage your speakers.
07-15-2025
1120-77590-02
