HD14-SBSUB — Amplifier Tuning Guide, page 1
2014 or NEWER Harley-Davidson®
M5-800X4 Amplifier Tuning
HD14-SBSUB Saddlebag Subwoofer Kit
Boom!™Box
Standard 4.3
Boom!™Box
Premium 6.5GT
Boom!™Box
Premium GTS
MOTORCYCLE AUDIO
#ROCKFORDFOSGATE
RADIO FLASH REQUIRED
"Rockford Fosgate Tune 2014+ All Models"
REMOTE TURN-ON REQUIRED
use turn-on from brake side
REAR INPUT LEVEL: 02:00
Matches amplifier input to
radio's output. Tells amp
where to "clip."
FRONT INPUT LEVEL: 02:00
Matches amplifier input to
radio's output. Tells amp
where to "clip."
PUNCH EQ: MIN
Used to compensate for
acoustical deficiencies
in automotive interiors.
Not used on motorcycles.
INPUT SWITCH: 2CH
Number of inputs to feed
amplifier. Set to require
only 2 inputs to feed all
4 amplifier channels.
CROSSOVER FREQUENCY: 80Hz
The crossover's cutoff frequency.
Set to allow only low frequencies
to pass to subwoofers
(works with HP/AP/LP switch.)
PRESET SWITCH: OFF
Used only for Motorsport (SXS) setups.
Not used on motorcycles.
CROSSOVER SWITCH: LP (Low-Pass)
Allows crossover to work in High-Pass, Low-Pass
or All-Pass (bypass). Set to allow only
low frequencies to pass to subwoofers
(works with crossover frequency dial.)
Rockford Fosgate
FRONT
C.L.E.A.N.
IN
OUT
OFF
INPUT LVL
MIN MAX
REAR
C.L.E.A.N.
IN
OUT
OFF
INPUT LVL
MIN MAX
PRESET
ON
PUNCH EQ
MIN MAX
PRESET
ON
PUNCH EQ
MIN MAX
Hz
LP
AP
HP
FREQ
2CH
4CH
Hz
LP
AP
HP
FREQ
50 500
200
PWR
07-14-2021 Eric Russell
1220-76013-01