Garage
Shop

See all parts that fit your 1990 Allante

Rockford Fosgate Stage 2 HD24-STG2

Stage 2 Audio System Upgrade Kit for select 2023-2025 vehicles from Harley Davidson with 6.5" Speakers and 4-Channel Amplifier

Rockford Fosgate
Shop all Rockford Fosgate
Only 1 Left!
highlight-star-icon

• System includes 6.5" coaxial speakers and 4-channel amplifier
• Direct fit for select 2023-2025 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

See compatible vehicles Learn more about the hd24stg2
No Fit Icon

Doesn't fit your 1990 Allante

Similar items | Update vehicle | Vehicle store
List price $1919.99
Thanks , You Pay:
-17%

$1599.99

 with warranty
Starting at $100/mo with

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Dollar Icon
VIP Product Get $160.00 in rewards to spend later
Quantity
In Stock. Only 1 Left!
Brand new

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts
NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
R165X3 main

Rockford Fosgate Prime R165X3

180W Peak (90W RMS) 6.5" Prime Series 3 Way Coaxial 4-ohm Speakers

206

Description


Rockford Fosgate brand icon

Authorized dealer


Rockford Fosgate HD24-STG2

Each component of the Stage-2 kit is meticulously engineered for peak performance. The 6.5” speakers feature a heat-resistant motor structure and radiator ring that efficiently dissipate heat, ensuring consistent, powerful sound even under the most demanding conditions. Complementing the speakers, the 1000-watt digital amplifier delivers robust performance and is future-ready for expanding your system with additional speakers. Stage-2 offers a true plug-and-play solution in a single box, complete with direct fit model-specific amplifier mounting plates and grilles. Designed to seamlessly integrate with the Skyline OS Harley-Davidson® infotainment system — it eliminates the need to flash the radio — making installation truly effortless.


Product Details:

  • System includes 6.5" coaxial speakers and 4-channel amplifier
  • Also includes amplifier installation kit and mounting hardware
  • Designed to match and complement the factory fit and finish of your vehicle
  • Plug and Play design for easy installation, no drilling or cutting required
  • Eliminates the need to "flash" your radio
  • Bluetooth connectivity for easy wireless setup
  • Interactive tuning via RF Connect app for iPhone/iOS and Android
  • Quick connection to factory wiring with Molex MX150 connectors
  • Full Spec Cable meets or exceeds AWG (American Wire Gauge) requirements
  • One-time removal of gas tank and fairing streamlines future upgrades
  • This kit is upgradable via Rockford Fosgate HD24-STG3 6x9" saddlebag kit (sold separately)
  • Estimated Installation Time: (3) Full hours typical
  • Authorized Internet Dealer
  • 2 Year Manufacturer's Warranty
  • Compatible with select 2023-2025 vehicles from Harley Davidson

Rockford Fosgate TMS24-65 6.5" 2-Way Coaxial Speakers:

  • 6-1/2" 2-way Coaxial Element Ready Speakers
  • Power Handling:
    • Peak: 600 watts per pair / 300 watts each
    • RMS: 300 watts per pair / 150 watts each
  • Curvilinear poly cone with 10% carbon-fill
  • Santoprene VAST surround
  • Element Ready to withstand the harsh outdoor environment
  • Precision-tuned, long throw, high output design
  • Extended frequency range for increased low-end response
  • Direct Fitment for seamless upgrades in factory mounting locations
  • Durable Poly-Nomex spider
  • UV-stable Domamid PA66 composite basket
  • Dual neodymium magnet motor structure
  • 2nd order crossover for high-frequency
  • 1.5" Vented Kapton voice coil former
  • ICC (Integrated Concealed Crossover)
  • Braided stitched tinsel leads
  • Corrosion-resistant tin-plated terminals
  • Impedance: 4 ohm
  • Frequency Response: 50 - 20000 Hz
  • Crossover: 3500 Hz @ 12 dB
  • Sensitivity: 90.6 dB
  • Includes grilles for Road Glide and Street Glide fairings
  • MFR #: TMS24-65

Rockford Fosgate TMA-1000X4i 4-Channel Amplifier:

  • Class-D 4-Channel IPX4 Amplifier
  • Power Specifications
    • 4 ohm: 200 watts x 4 channel
    • 2 ohm: 200 watts x 4 channel
    • Bridged: 200 watts x 2 channel @ 4 ohm
  • Total RMS power output: 800 watts
  • Premium audio integration with Skyline OS
  • Full-featured digital signal processor
  • Bluetooth connectivity for easy wireless setup
  • Interactive tuning via RF Connect app for iOS and Android
  • Precision digital settings eliminate wear and distortion
  • High dynamic power exceeds ratings
  • ER5N power connector increases contact area
  • Industrial grade O-rings for protection
  • RGB top logo offers real-time status display
  • Digital A2B 4-pin Molex signal input and signal output
  • Frequency Response: 20 - 20000 Hz
  • Total Harmonic Distortion (THD): 0.10%
  • Variable low-pass filter: 50 - 250 Hz
  • Variable high-pass filter: 50 - 250 Hz
  • MFR #: TMA-1000X4i

Rockford Fosgate RFK-HD24 Amplifier Installation Kit:

  • 8-gauge amplifier installation wiring kit
  • Plug and play design
  • Battery power/ground: 8-gauge
  • Amplifier power/ground: 8-gauge
  • Fuse Size/Type: 60 amp / Maxi
  • Includes amplifier mounting plate, rear output harness, power harness
  • Includes A2B and speaker harness and AP Pack
  • Includes Hex Bolt, 1/4-20 x 0.75, countersink and Steel Bolt, M4 x 14mm, Cable Tie
  • MFR #: RFK-HD24

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 1990 Cadillac Allante is not compatible. Change vehicle or See list of compatible similar products


Loading...
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

254
-33.36%

$79.96

List price $119.99

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

214
-9.16%

$109.00

List price $119.99

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

72
-10.53%

$84.99

List price $94.99

GX608C main

JBL GX608C (GX608CAM)

420W Peak (140W RMS) 6.5” GX Series 2 Way 2.3-ohm Component Speaker System

7
XED62 main

Cerwin-Vega XED62

600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers

15
-16.67%

$49.99

List price $59.99

REF6532IXAM main

Infinity Reference REF6532IXAM

360W Peak (120W RMS) 6.5" Reference Series 2 Way Coaxial 3-ohm Speakers

22
-20.01%

$119.95

List price $149.95

NSP65 main

NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

93
-35.19%

$69.99

List price $107.99

MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00

SXE-1726S main

Alpine SXE-1726S

440W Peak (80W RMS) 6.5" SXE Series 2-way 4-ohm Coaxial Car Speakers

13
-21.82%

$42.99

List price $54.99


Best selling similar products

HD14-STG3 small

Rockford Fosgate Stage 3 HD14-STG3

• System includes two 6.5" fairing speakers, two 6x9" saddlebag speakers, and 4-channel amplifier
• Also includes amplifier installation kit
• Built for select 2014-2024 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation

(1)

$2099.99

List price $2099.99

HD9813SG-STG3 small

Rockford Fosgate Stage 3 HD9813SG-STG3

• Includes a Two 6.5” Speakers, Two 6"x9" Speakers, and a 4-Channel Amplifier,
• Direct fit for a hassle-free installation, fitting perfectly into the Harley-Davidson models for seamless integration
• System is designed to withstand harsh outdoor environments
• Retrofit kit allows addition of rear speakers on your existing factory bag lids
• Plug and Play design for easy installation
• Comes with all necessary mounting, accessories and installation hardware

$2049.99

List price $2049.99

P-HD1F small

Kenwood eXcelon P-HD1F

• System includes pair of 6.5" speakers and a 2-channel amplifier
• Direct fit for a hassle-free installation
• Fits in select 2014-2023 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

(2)

$729.00

List price $930.00

HD9813SG-STG2 small

Rockford Fosgate Stage 2 HD9813SG-STG2

• Includes two 6.5" coaxial full range speakers, one 4-channel amplifier and amplifier wiring kit
• Direct fit for a hassle-free installation, fitting perfectly into select 1998-2013 FLHT/I Electra Glide Standard and FLHX Street Glide and FLHTI Electra Glide Standard for seamless integration
• System is designed to withstand harsh outdoor environments
• Retrofit kit allows addition of rear speakers on your existing factory bag lids
• Plug and Play design for easy installation
• Comes with all necessary mounting, accessories and installation hardware

$1399.99

List price $1399.99

HD24-STG3 small

Rockford Fosgate Stage 3 HD24-STG3

• Includes a pair of 6.5" speakers, one 6x9" saddlebag speaker kit, one 4-channel amplifier and an amp wiring kit
• Direct fit for select 2024-2025 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

$2449.99

List price $2939.99

BHD3F small

Boss BHD3F

• System includes two 6.5" speakers and a 4-channel amplifier
• Direct fit for a hassle-free installation, fits select 1998-2013 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

$400.00

List price $849.99

HD9813RK-STAGE2 small

Rockford Fosgate Stage 2 HD9813RK-STAGE2

• System includes two 6x9" speakers and 4-channel amplifier
• Also includes amplifier wiring kit and Bluetooth receiver/transmitter
• Built for select 1998-2013 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation

$1489.99

List price $1489.99

HD14-SBSUB small

Rockford Fosgate HD14-SBSUB

• 10" Amplified Loaded Subwoofer System
• 300 watts RMS
• Built-In Class AD Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

$2499.99

List price $2499.99

HD9813RG-STG3 small

Rockford Fosgate Stage 3 HD9813RG-STG3

• Includes two 6.5" fairing speakers, two 6x9" saddlebag speakers, one 4-channel amplifier and amplifier wiring kit
• Direct fit for a hassle-free installation, fitting perfectly into select 1998-2013 FLTR Road Glide and FLTRX Road Glide Custom for seamless integration
• System is designed to withstand harsh outdoor environments
• Retrofit kit allows addition of rear speakers on your existing factory bag lids
• Plug and Play design for easy installation
• Comes with all necessary mounting, accessories and installation hardware

$2049.99

List price $2049.99

Specifications & Details


Package Specifications
Series
Stage 2 Series
Compatible vehicle types
Motorcycle
Included Components
One Pair of Coaxial Speakers
Marine/Powersports Amplifier
Marine Certified
No
Speaker Specs & Details
Speaker specs and details
6.5" Full-range speaker and grilles for Harley-Davidson
Number of Speakers
2
Illumination
None
Speaker Grilles
Yes
Amplifier Specs & Details
Amplifier specs and details
Digital 1000 watt 4-channel A2B amplifier for Harley-Davidson
Number of Channels
4-Channel
Total Peak Power Output
1000 watts
Total RMS Power Output
800 watts
Amplifier Class
D
Other Component Specs and Details
Other Component Details
RFK-HD24 Amplifier installation kit for Harley-Davidson
Warranty and Return Policy
Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

HD24-STG2

Weight:

17.00lbs

Internal SKU:

hd24stg2

Internal Product ID:

224277

Customer Ratings & Reviews


Rockford Fosgate Stage 2 HD24-STG2 thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found

DLPKGM small

XpressKit DLPKGM

Xpress Kit GM Doorlock & Passkey Interface Compatible with Select 1998-2008 GM Vehicles

(1)

$44.99

List price $99.99

XPE4700_P1653 small

Rockford Fosgate Speakers + Dual Amplifier Bundle

6-1/2" P1653 Punch Series Speakers + Dual XPE4700 4 Channel Amplifier + Kit + Sound Dampening

(111)

$175.36

List price $374.96

SK4641 small

Stinger SK4641

4 Gauge 100% Oxygen-Free Copper Tru Spec 4000 Series Power + Signal Amplifier Wiring Installation Kit for Amplifiers Up to 1500W RMS

(33)

$114.99

List price $229.00

No picture

Hertz CX 130 - New (Damaged Packaging, Product A+)

300W Peak (100W RMS) 5.25" Cento Series 2-Way Coaxial Car Speakers

$215.62

List price $260.00

TS-A6985R small

Pioneer TS-A6985R

6x9" 4-Way A-Series Coaxial Speakers

(26)

$64.99

List price $159.99

D4GY small

Limitless Creations D4GY Gray Denim EZsnap Padded Case for new iPad and iPad 2

6-Position Case for For new iPad 4, iPad 3, or iPad 2 with Wake/Sleep Smart Cover Function and Apple Logo Cutout

$2.99

List price $49.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

1963 Buick Skylark

2011 Ford Fusion

1984 Dodge Diplomat

1989 Oldsmobile Eighty Eight Royale

1992 Mazda B Series

1975 Ford E Series

2019 Lincoln Continental

2019 Hyundai Sonata

1990 Cadillac Allante

2013 BMW 760Li

Vehicle
Store
Delete

2000 Harley Davidson FXST Softail Standard

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.