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2011 Harley Davidson FLHR Road King

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Universal-Fit Audio for 2011 Harley Davidson FLHR Road King

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

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Crimestopper MIR-BRKT-437

Set of 7 Mirror Brackets for Crimestopper Mirrors with 4.3" & 7" LCD Screens

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Set of 7 Mirror Brackets for Crimestopper Mirrors with 4.3" & 7" LCD Screens

• 7-Pack
• Vehicle Specific Mirror Brackets
• Works Exclusively with the Crimestopper Mirrors with 4.3" and 7" LCD Screens

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List price $44.92
-56% $19.95

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Ships in 10-14 days

• 7-Pack
• Vehicle Specific Mirror Brackets
• Works Exclusively with the Crimestopper Mirrors with 4.3" and 7" LCD Screens

Alpine RUE-4360

Wireless Audio Remote Control for Remote-Ready Alpine Stereos

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Wireless Audio Remote Control for Remote-Ready Alpine Stereos

• Wireless remote control for remote-ready Alpine stereos
• 20 soft push-buttons for variety of control functions
• Siri voice assistant activation on paired iPhone
• Voice recognition mode when paired with other smartphones
• Utilizes IR (Infrared) to send commands wirelessly

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• Wireless remote control for remote-ready Alpine stereos
• 20 soft push-buttons for variety of control functions
• Siri voice assistant activation on paired iPhone
• Voice recognition mode when paired with other smartphones
• Utilizes IR (Infrared) to send commands wirelessly

NVX MVPA4

1200W Peak (600W RMS) Class D Marine-V Series 4-Channel Marine/Powersports/Motorcycle Amplifier

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1200W Peak (600W RMS) Class D Marine-V Series 4-Channel Marine/Powersports/Motorcycle Amplifier

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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-27% $279.99

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List price $383.99
-27% $279.99
$251.99 with coupon | Price details
2026-07-12 23:59:00
Save 30% off an NVX XKIT84 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT84 Amp Kit! No code needed — discount applies automatically at checkout.
Used from: $249.99

XS Power D6500

3000W 174 Ah Absorbent Glass Mat (AGM) Car Battery

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3000W 174 Ah Absorbent Glass Mat (AGM) Car Battery

• 12-volt Absorbent Glass Mat (AGM) Car Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 3000W audio stereo systems
• Compatible with many Domestic and Japanese vehicles

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List price $489.99
-18% $399.99

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Crunch GP-3500.1D

3500W Peak Class-D GP Series Monoblock Car Amplifier with Bass Remote

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3500W Peak Class-D GP Series Monoblock Car Amplifier with Bass Remote

• 875 watts x 1 channel @ 4 ohm
• 1750 watts x 1 channel @ 2 ohm
• 3500 watts x 1 channel @ 1 ohm
• Total Peak Power: 3500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Save 30% on an NVX XKIT42 Amp Kit with Purchase!
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-55% $99.99

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Shop items below for 30% off up to $100 discount on an NVX XKIT42 Amp Kit

NVX XAPK4 + XIV25 (XKIT42 Sub)

$114.99

$80.49

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Scosche UAKP

Universal Amp KwikPlug 8-Gauge Amplifier Quick Disconnect

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Universal Amp KwikPlug 8-Gauge Amplifier Quick Disconnect

• Accepts up to 8-Gauge
• Power, Ground and Remote Quick Disconnect
• Can be used for Subwoofer Quick Disconnect

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List price $22.43
-33% $14.99

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• Accepts up to 8-Gauge
• Power, Ground and Remote Quick Disconnect
• Can be used for Subwoofer Quick Disconnect

Axxess AXGLI-R

2-Channel RCA Ground Loop Isolator

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2-Channel RCA Ground Loop Isolator

• 2-channel RCA ground loop isolator
• Easily eliminates unwanted ground loop noise
• No need for additional adapters
• Universal vehicle application

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List price $23.99
-13% $20.99

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• 2-channel RCA ground loop isolator
• Easily eliminates unwanted ground loop noise
• No need for additional adapters
• Universal vehicle application

DS18 PRO-GRILL6MS/BK

Universal Shallow Mesh Grille for Most 6.5" Speakers (Black)

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Universal Shallow Mesh Grille for Most 6.5" Speakers (Black)

• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in matte black
• Sold individually/per piece

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List price $17.99
-17% $14.95

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• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in matte black
• Sold individually/per piece

Limited time!

XS Power XP950

950W 35 Ah Absorbent Glass Mat (AGM) Secondary Battery

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950W 35 Ah Absorbent Glass Mat (AGM) Secondary Battery

• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 950W car audio stereo systems
• Compatible with most vehicle applications

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• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 950W car audio stereo systems
• Compatible with most vehicle applications

Heise HE-DRL40

240W Universal 40" DRL Series Dual Row 76 LED Light Bar

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240W Universal 40" DRL Series Dual Row 76 LED Light Bar

• Universal 40" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

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List price $574.00
-30% $399.00

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• Universal 40" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

XpressKit DLOADER4

OBD2 Plug-in Bluetooth DirectLoader Wireless Bootloader Programming Tool

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OBD2 Plug-in Bluetooth DirectLoader Wireless Bootloader Programming Tool

• OBD2 plug in Bluetooth wireless bootloader
• Combines XKLOADER2 and XKLOADER3 functionality
• Supports DS4 echosystem Bluetooth flashing
• Includes all harness and programming tools necessary

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• OBD2 plug in Bluetooth wireless bootloader
• Combines XKLOADER2 and XKLOADER3 functionality
• Supports DS4 echosystem Bluetooth flashing
• Includes all harness and programming tools necessary

Wet Sounds ST-ADP-SLIDER BRACKET

Slider Mounting Bracket for Stealth HD and XT Soundbars

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Slider Mounting Bracket for Stealth HD and XT Soundbars

• Slider mounting bracket for Stealth HD and XT soundbars
• CNC'd from billet aluminum for extra durability
• Allows adjusting of soundbar mounting width
• Includes brackets, bolts, lock-washers, and flat-washers (2 each)

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• Slider mounting bracket for Stealth HD and XT soundbars
• CNC'd from billet aluminum for extra durability
• Allows adjusting of soundbar mounting width
• Includes brackets, bolts, lock-washers, and flat-washers (2 each)

Energie PR4800

12V 110Ah Absorbent Glass Mat (AGM) Car Battery

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12V 110Ah Absorbent Glass Mat (AGM) Car Battery

• 12-volt Absorbent Glass Mat Car Audio Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 4800W car audio stereo systems
• Left positive terminal

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4 Pack of 80 Amp Nickel-Plated MANL Fuse (Belva BMANL80)

Four fuses per order. High quality 80 Amp MANL Fuses

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Four fuses per order. High quality 80 Amp MANL Fuses

• 80A MANL Fuse (4 Pack)
• Nickel Plated for Better Power Transfer
• Resealable Polybag
• Heavy Duty Construction

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• 80A MANL Fuse (4 Pack)
• Nickel Plated for Better Power Transfer
• Resealable Polybag
• Heavy Duty Construction

Stinger SGW9920

20 ft. 18 Gauge 9 Conductor Speed Speaker Wire

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20 ft. 18 Gauge 9 Conductor Speed Speaker Wire

• 20 ft. 18 Gauge 9 Conductor Speed Speaker Wire
• Great for a 4-channel amplifier setup
• EIA standard easy color-coded copper wires
• Easy and fast installations
• Color: Blue

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• 20 ft. 18 Gauge 9 Conductor Speed Speaker Wire
• Great for a 4-channel amplifier setup
• EIA standard easy color-coded copper wires
• Easy and fast installations
• Color: Blue

JL Audio FiX-86

6-Channel OEM Integration Digital Sound Processor with Automatic Time Correction

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6-Channel OEM Integration Digital Sound Processor with Automatic Time Correction

• OEM integration digital signal processor
• 24-bit DSP processor and quad 1/3 octave equalizers
• 8-input and 6-output channels
• Access four user-adjustable 10-band graphic equalizers
• 30-second single button calibration

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• OEM integration digital signal processor
• 24-bit DSP processor and quad 1/3 octave equalizers
• 8-input and 6-output channels
• Access four user-adjustable 10-band graphic equalizers
• 30-second single button calibration

Limited time!

DS18 EN-JS8/BK (Sold by Pair)

Empty Single 8" Universal Flat Mount Kick Panel Speaker Pods in Black with RGB LED

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Empty Single 8" Universal Flat Mount Kick Panel Speaker Pods in Black with RGB LED

• Pair of 8" universal flat mount kick panel speaker pods in black
• Durable high-density and durable plastic construction
• Enclosure houses 1 8" coaxial speaker
• IP36 and UV rated, all elements ready
• Speakers sold by pair

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• Pair of 8" universal flat mount kick panel speaker pods in black
• Durable high-density and durable plastic construction
• Enclosure houses 1 8" coaxial speaker
• IP36 and UV rated, all elements ready
• Speakers sold by pair

T-Spec V8-3DDC

Digital Capacitor 3.0 Farad Distribution Top

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Digital Capacitor 3.0 Farad Distribution Top

• 3.0 Farad Digital Capacitor
• Voltage Meter
• Impact Resistant Polycarbonate Cover
• Simple Mounting System

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• 3.0 Farad Digital Capacitor
• Voltage Meter
• Impact Resistant Polycarbonate Cover
• Simple Mounting System

Limited time!

NVX XW0GR10

10 ft 1/0-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Gray)

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10 ft 1/0-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Gray)

• 10 feet 1/0 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Gray

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• 10 feet 1/0 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Gray

AudioControl TXTRB10BB

Add-On Extension Port for Stinger TXTRB10 10" Loaded Subwoofer Enclosure in Select 2007-2025 Vehicles from Ram, Chevrolet, GMC

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Add-On Extension Port for Stinger TXTRB10 10" Loaded Subwoofer Enclosure in Select 2007-2025 Vehicles from Ram, Chevrolet, GMC

• Add-On Extension Port for 10" Loaded Subwoofer Enclosure
• Use in conjunction with Stinger TXTRB10
• 6dB add-on extension port module
• With sound dampening properties

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• Add-On Extension Port for 10" Loaded Subwoofer Enclosure
• Use in conjunction with Stinger TXTRB10
• 6dB add-on extension port module
• With sound dampening properties

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    FAQ for Universal-Fit Audio & Electronics in 2011 FLHR Road King

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2011 Harley Davidson FLHR Road King?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your FLHR Road King.

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    • Vehicle produced after 2005: Inside driver's side door
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    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
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.