HD9813RK / HD14RK — Amplifier Tuning Guide, page 1
1998 & Newer Harley-Davidson® Road King®
TM400X4ad Amplifier Tuning
RFBTRCA
Bluetooth® Interface
REAR INPUT LEVEL: 03:00
Matches rear amp input from
Bluetooth® interface.
REMOTE TURN-ON REQUIRED
use turn-on from underseat adaptor
FRONT INPUT LEVEL: 03:00
Matches front amp input from
Bluetooth® interface.
FRONT & REAR EQUALIZER: MIN
Adds bass & treble to
enclosed vehicles.
Not used on motorcycles.
INPUT SWITCH: 2CH
Number of inputs to feed amp.
Bluetooth® interface feeds
all four channels.
CROSSOVER FREQUENCY: 80Hz
Tells amp what frequencies to pass. Used
as a "bass blocker" to prevent low
frequencies from damaging 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]
03-03-2020 Eric Russell
MOTORCYCLE AUDIO
#ROCKFORDFOSGATE
HD9813RK / HD14RK — Amplifier Tuning Guide, page 2
1998 & Newer Harley-Davidson® Road King®
Bluetooth® Audio Pairing
BLUETOOTH DISCOVERY MODE:
1. PRESS & HOLD Bluetooth button for approximately 5 seconds while
simultaneously turning-on motorcycle ignition to ACCESSORY.
2. Bluetooth module will audibly chime and 2 outer LEDs will begin to alternately flash.
3. Bluetooth module is now in DISCOVERY MODE.
PAIRING ON YOUR MOBILE DEVICE
REDUCE VOLUME: APPLE iOS: ANDROID:
1. Reduce music volume 1. Go to SETTINGS > BLUETOOTH. 1. Go to SETTINGS > CONNECTED DEVICES > BLUETOOTH.
on mobile device. 2. Select RFBTRCA. 2. Select PAIR NEW DEVICE.
3. Once pairing is complete, you will 3. Select RFBTRCA.
hear audible chime and all 3 LEDs 4. Choose ALLOW TO PAIR.
will illuminate solid. 5. Once pairing is complete, you will hear audible
chime and all 3 LEDs will illuminate solid.
PRESS & HOLD DISCOVERY MODE PAIRING SUCESSFUL
MOTORCYCLE AUDIO
#ROCKFORDFOSGATE
03-03-2020 Eric Russell