HD24-STG2 / HD24-STG3 — Tuning Guide, page 1
2024+ H-D TUNING GUIDE
HD 2 4 - ST G 2 / HD 2 4 - S T G 3
Use RF Connect PRESETS for the best audio quality. RF Connect v2.05 allows you to use Custom Settings. Do not exceed recom-
mended settings when using TMS24-65 & TMS24-69 speakers. NOTE: Settings beyond those listed below will void your warranty.
F R O NT LE VE L AUD IO CLIP LEGEN D REAR LEV EL
-30d B to 0 d B -30dB to -5dB: Clean Audio - 30d B t o 0d B
-4dB to -3dB: Clipping Trigger
Upper Fairing only Uppers + Lowers Saddlebags or TourPak Saddlebags + TourPak
-2.5dB to 0dB: Clipped Audio
F R ONT C R O SSO VE R REAR C ROS S OV ER
L P / A P / H P 5 0 H z -2 5 0 H z LP / A P / H P 50H z - 250H z
TourPak only or
Upper Fairing only Uppers + Lowers Saddlebags only Saddlebags + TourPak
See step-by-step guide on back.HD24-STG2 / HD24-STG3 — Tuning Guide, page 2
2024+ H-D TUNING GUIDE
HD 2 4 - ST G 2 / HD 2 4 - S T G 3
1 UPD A TE S K Y L I NE O S 4 C U STOM TUN E
A. Use a battery tender during setup to avoid “load shed” mode! A. Enable the Custom Tune interface:
B. Skyline OS version should end in at least xxx4125. 1. Go to RF Connect > Tune Device > Custom Settings.
Go to IFCU > Settings > System > System Info > Product Info > 2. Once rebooted, perform the White Noise test. Tap each
Skyline OS Version: 260004125D (example) speaker audibly producing white noise.
C. Software must be downloaded on a computer and transferred 3. Turn-off motorcycle for 60 seconds, then turn-back on.
to a USB-C. Do not update Skyline OS via mobile device. B. Create a Custom Tune and personalize the settings:
Do not use USB-A with adaptor. 1. Go to RF Connect > Tune Device > Custom Settings.
D. Visit www.h-d.com/infotainment-support for the latest version. 2. Set Level & Crossover settings, then tap Save A or Save B.
3. Turn-off motorcycle for 60 seconds, then turn-back on.
2 SE T S K Y L I NE EQ C. Load the Custom Tune we just created:
1. Go to RF Connect > Tune Device > Custom Settings.
2. Tap Load A or Load B, then tap Save A or Save B.
A. Set EQ to H-D SIGNATURE: 3. Turn-off motorcycle for 60 seconds, then turn-back on.
B. Go to IFCU > Settings > Sound > Equalizer > H-D Signature
3 I N ST A L L R F A U DIO 5 E NABLE SKYLIN E F AD ER
A. Amplifier LED status: A. If Saddlebag or TourPak are factory equipped, Skyline OS will
1. RED: Power on & ready mode. already have Fader.
2. BLUE: Bluetooth connection active B. If Saddlebag or TourPak are newly added, the IFCU needs to
3. GREEN: A2B reading/connecting be “tricked” into enabling the Fader.
B. Verify Amplifier is recognized by Skyline OS: 1. Verify software before starting:
1. Go to IFCU > Settings > Sound > Speaker Setup. a. RF Connect: v4.0.3 (Support > App Version)
2. Prompt appears: “Audio will be disabled during speaker setup. Do b. TMA-1000X4i: v1.1.3
you want to continue?” Tap YES. 2. Go to IFCU > Settings > Sound > Speaker Setup > Speaker
3. Under Device Status, verify “P&A TMA1000X4i A2B AMPLIFIER-1” Config and select Stage I, Stage II or Stage III (does not
C. Load Amplifier Tune in RF Connect: matter) for Upper Fairing or Saddlebag.
1. Install RF Connect on mobile device. Verify Bluetooth is On. 3. Select “Start Test”. NOTE: No white noise will be heard!
2. Select RF Connect > Add a Device > TMA-1000X4i. 4. In the IFCU, tap this sequence exactly:
3. Select Tune Device > select HD24-STG2 or HD24-STG3 preset. Wait Front Left > Front Right > Rear Left > Rear Right
for Red LED on top of amp to shut-off before proceeding. 5. Turn-off motorcycle for 60 seconds, then turn-back on.
4. Turn-off motorcycle for 60 seconds, then turn-back on. 6. Fader will now be functional.
03-31-2026 ER
1220-83655-02