2014+ Harley-Davidson RFK-HD14 Tuning

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The complete text of the Amplifier Tuning Guide for RFK-HD14 (2 pages), extracted from the supplier PDF; pages without a text layer were transcribed from the page image. Check wiring and settings against the original PDF before cutting or splicing.

2014 or NEWER Harley-Davidson®
TM400X4ad Amplifier Tuning
2nd Generation Kits Using RFK-HD14 T-Harness.

MOTORCYCLE AUDIO
#ROCKFORDFOSGATE

Boom!™Box
Standard 4.3

Boom!™Box
Premium 6.5GT

Boom!™Box
Premium GTS

RADIO FLASH REQUIRED
”Rockford Fosgate Tune 2014+ All Models”

REMOTE TURN-ON REQUIRED
use turn-on from brake side

REAR INPUT LEVEL: 12:00 (1/2)
Matches the amp to the radio.
Tells the amp where to “clip.”

FRONT INPUT LEVEL: 11:00-12:00
When using baglids or TourPak,
reduce fairing speaker output
by trimming level until front &
rear are equally balanced.

FRONT & REAR EQUALIZER: MIN
Adds bass & treble to
enclosed vehicles.
Not used on motorcycles.

INPUT SWITCH: 4CH
Number of inputs to feed amp.
New T-harness included
in RFK-HD14 allows for
4-channel fading.

CROSSOVER FREQUENCY: 80Hz
Tells amp what frequencies to pass.
Motorcycles use this as a “bass blocker”
to prevent subwoofer frequencies from
damaging fairing and baglid speakers.
(works with HP/AP/LP switch)

CROSSOVER SWITCH: HP (High-Pass)
Type of crossover needed.
(works with crossover frequency dial)

[HP (High-Pass) allows frequencies above to pass]
[AP (All-Pass) allows all frequencies to pass]
[LP (Low-Pass) allows frequencies below to pass]

09-06-2019  Eric Russell
1220-72884-03-A

2014 or NEWER Harley-Davidson®
Factory Amp Bypass Plugs
2nd Generation Kits Using RFK-HD14 T-Harness.

Boom!™ Audio Stage 1
CVO & Ultra 2-Speaker System
Factory amplifier in fairing. Controls fairing speakers and TourPak.

Bypass Plugs Required:
• BOOM 1 SYSTEM

Boom!™ Audio Stage 2
CVO 4-Speaker System
Factory amps in fairing & left bag. Fairing amp controls fairing speakers. Left bag amp controls baglids.

Bypass Plugs Required:
• BOOM AMP BYPASS -or- CVO 4-SPEAKER/ BOOM 2
• BOOM AMP BYPASS -or- CVO 4-SPEAKER/ BOOM 2

Boom!™ Audio Stage 2
CVO 6-Speaker System
Boom! amps in fairing & both bags. Fairing amp controls fairing speakers. Left bag amp controls left lower & baglid speakers. Right bag amp controls right lower & baglid speakers.

Bypass Plugs Required:
• BOOM AMP BYPASS
• CVO AMP LEFT SADDLEBAG
• CVO AMP RIGHT SADDLEBAG

BOOM 1 SYSTEM BYPASS

BOOM AMP BYPASS

BOOM AMP BYPASS

BOOM AMP BYPASS

CVO AMP BYPASS LEFT SADDLEBAG

CVO AMP BYPASS RIGHT SADDLEBAG

Boom!™ is a registered trademark of Harley-Davidson Motor Company.

09-06-2019  Eric Russell
1220-72884-03-A