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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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SMD 2 Channel Heavy Duty Square Speaker Terminal (Grade 8)

Two Channel Square Speaker Terminal with Grade 8 Terminals, 3/4" PVC (Black)

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Two Channel Square Speaker Terminal with Grade 8 Terminals, 3/4" PVC (Black)

• Heavy duty terminals for serious applications
• Lightweight 3/4" PVC
• Won't break or leak under high pressure
• 5/16" Bolt Terminal
• All Grade 8 Hardware
• Two Channel

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3
List price $29.98
-23% $22.99

In stock

• Heavy duty terminals for serious applications
• Lightweight 3/4" PVC
• Won't break or leak under high pressure
• 5/16" Bolt Terminal
• All Grade 8 Hardware
• Two Channel

MTX Audio RT8PT

360W Peak (120W RMS) Loaded Single 8" Vented Amplified Bass Tube Enclosure

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360W Peak (120W RMS) Loaded Single 8" Vented Amplified Bass Tube Enclosure

• 8" Amplified Loaded Subwoofer System
• 120 watts RMS (360 watts Peak)
• Built-In amplifier
• Variable bass boost
• Speaker-Level Inputs
• EBC wired remote bass level control

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• 8" Amplified Loaded Subwoofer System
• 120 watts RMS (360 watts Peak)
• Built-In amplifier
• Variable bass boost
• Speaker-Level Inputs
• EBC wired remote bass level control

JL Audio XD-AICDO-3

3-Foot Digital Optical Audio Cable with Toslink Connectors

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3-Foot Digital Optical Audio Cable with Toslink Connectors

•Digital Optical Audio Connection Cable
• Digital Optical Audio Connection Cable
• Built-in Toslink Connectors
• Length: 3 feet

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$34.99

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•Digital Optical Audio Connection Cable
• Digital Optical Audio Connection Cable
• Built-in Toslink Connectors
• Length: 3 feet

Limitless Lithium LL3.5A-MTN-SV

3.5A 12V Portable Automatic Smart Lithium Battery Maintainer

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3.5A 12V Portable Automatic Smart Lithium Battery Maintainer

• Portable Automatic Smart Lithium Standard Voltage Maintainer
• Lithium Lifepo4 Battery Maintainer 3.5 Amp
• Designed for charging 12 volts batteries
• Shuts off when the battery is charged
• Can be used as a "Maintainer" for all lifepo4 batteries

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$89.00

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• Portable Automatic Smart Lithium Standard Voltage Maintainer
• Lithium Lifepo4 Battery Maintainer 3.5 Amp
• Designed for charging 12 volts batteries
• Shuts off when the battery is charged
• Can be used as a "Maintainer" for all lifepo4 batteries

Viper 5908V

2-Way Remote Start, Keyless Entry and Car Alarm System with (2) 1 Mile Range 5 Button Transmitters

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2-Way Remote Start, Keyless Entry and Car Alarm System with (2) 1 Mile Range 5 Button Transmitters

• 2-Way Remote Start, Keyless Entry and Car Alarm System
• Includes (1) 2-way LCD transmitter and (1) 1-way sidekick remote control transmitter
• 1 mile range
• Antenna with integrated valet switch and LED

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List price $529.99
-11% $469.99

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• 2-Way Remote Start, Keyless Entry and Car Alarm System
• Includes (1) 2-way LCD transmitter and (1) 1-way sidekick remote control transmitter
• 1 mile range
• Antenna with integrated valet switch and LED

Deaf Bonce Apocalypse DB-SA305 D1

4000W Peak (2000W RMS) 15” Apocalypse Series Dual 1-ohm Car Subwoofer

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4000W Peak (2000W RMS) 15” Apocalypse Series Dual 1-ohm Car Subwoofer

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 1 ohm
• Mount depth: 7.85"
• Sensitivity: 88.30 dB

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$399.90

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BOYO Vision VTSR100

Rear Parking Assist System with 4 Parking Sensors (Silver)

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Rear Parking Assist System with 4 Parking Sensors (Silver)

• Rear parking sensors with waterproof connectors
• Audible buzzer with volume adjustment
• Total Number of Sensors: 4
• Detection Distance: 1 feet to 5.9 feet

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1
List price $71.00
-10% $63.90

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• Rear parking sensors with waterproof connectors
• Audible buzzer with volume adjustment
• Total Number of Sensors: 4
• Detection Distance: 1 feet to 5.9 feet

Omega DS-2.4

Economy Door Lock Actuator

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Economy Door Lock Actuator

• Single Door Lock Actuator
• Converts Manual Doorlocks Into Power Doorlocks
• Two-Wire Reverse Polarity Operation
• Universal Mounting Hardware Included

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• Single Door Lock Actuator
• Converts Manual Doorlocks Into Power Doorlocks
• Two-Wire Reverse Polarity Operation
• Universal Mounting Hardware Included

Metra 82-4300

1" Universal Spacer Rings for 6.5" to 6.75" Speakers

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1" Universal Spacer Rings for 6.5" to 6.75" Speakers

• Works with most 5 1/4", 6 1/2" and 6 3/4" speakers
• Gives 1 inch extra depth

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• Works with most 5 1/4", 6 1/2" and 6 3/4" speakers
• Gives 1 inch extra depth

Cerwin-Vega PRD

1" Replacement Diaphragm for P1T, P175T, P1SRT Pro Mobile Tweeters

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1" Replacement Diaphragm for P1T, P175T, P1SRT Pro Mobile Tweeters

• 1" diaphragm for all Pro Mobile tweeters
• Applicable for models: P1T, P175T, P1SRT
• Does not fit Cerwin Vega P75T and P5T tweeters
• East to install, no cutting or drilling required
• Improves high‑frequency performance

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• 1" diaphragm for all Pro Mobile tweeters
• Applicable for models: P1T, P175T, P1SRT
• Does not fit Cerwin Vega P75T and P5T tweeters
• East to install, no cutting or drilling required
• Improves high‑frequency performance

Stinger SPT522

Gauge Reducer, 4 Gauge Input to 8 Gauge Pin

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Gauge Reducer, 4 Gauge Input to 8 Gauge Pin

• Gauge Reducer Adapter
• 4 Gauge Input to 8 Gauge Pin
• Deep Wire Recesses
• Ultimate Power Delivery
• Corrosion Resistant Chrome Plating

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-47% $9.99

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• Gauge Reducer Adapter
• 4 Gauge Input to 8 Gauge Pin
• Deep Wire Recesses
• Ultimate Power Delivery
• Corrosion Resistant Chrome Plating

Kicker CXA1200.1 (46CXA12001T)

1200W RMS Class D CX-Series Monoblock Car Amplifier

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1200W RMS Class D CX-Series Monoblock Car Amplifier

• 600 watts x 1 channel @ 4 ohm
• 1200 watts x 1 channel @ 2 ohm
• 1200 watts x 1 channel @ 1 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

2+ offers available
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Available Offers (2) for Kicker CXA1200.1 (46CXA12001T)
FREE Belva Amp Kit at Checkout!
Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.

NVX XKIT82

Full Spec 8 Gauge 100% (OFC) Oxygen Free Copper Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 800 Watts

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Full Spec 8 Gauge 100% (OFC) Oxygen Free Copper Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 800 Watts

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 800 Watts RMS
• 100% (OFC) Oxygen Free Copper
• Dual Twisted Pair 2-Channel RCA Cable
• Tinned conductors for corrosion resistance
• Pre-terminated seamless power and ground ring terminals
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• CEA-2015 and BC5W2 Compliant

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Available Offers (3) for NVX XKIT82
FREE NVX Amp Kit at Checkout!
Save 30% off an NVX XKIT82 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT82 Amp Kit! No code needed — discount applies automatically at checkout.
15% off an NVX XCAP1F w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP1F Capacitor! No code needed — discount applies automatically at checkout.
Used from: $55.99

PAC LP7-2

2-Channel LocPRO Series Line Output Converter with Remote Turn-On

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2-Channel LocPRO Series Line Output Converter with Remote Turn-On

• 2-Channel LOC PRO Series
• Remote Turn on Wire
• Single Dial
• Signal-Sensing Circuit
• Surface Mount Construction
• Level Gain Adjustment

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• 2-Channel LOC PRO Series
• Remote Turn on Wire
• Single Dial
• Signal-Sensing Circuit
• Surface Mount Construction
• Level Gain Adjustment

Limited time!

Deaf Bonce MFA 4.220

1320W RMS Class D Machete Series 4 Channel Car Amplifier

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1320W RMS Class D Machete Series 4 Channel Car Amplifier

• 220 watts x 4 channel @ 4 ohm
• 330 watts x 4 channel @ 2 ohm
• Bridged: 660 watts x 2 channel @ 4 ohm
• Total RMS Power: 1320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
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NVX XKIT44

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JBL BassPro 12

Single Loaded 12" Ported Amplified Subwoofer Enclosure with Bass Remote

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Single Loaded 12" Ported Amplified Subwoofer Enclosure with Bass Remote

• 12" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs

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List price $419.95
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NVX XWS1650

50 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper (OFC) Speaker Wire (Blue/Gray)

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50 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper (OFC) Speaker Wire (Blue/Gray)

• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

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• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

NVX XWS1625

25 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

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25 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

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• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

Stinger SGW991

9 Conductor Speedwire 100ft Roll

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9 Conductor Speedwire 100ft Roll

• 9 Conductor 18 Gauge Speaker Wire
• Nine Cables In One
• Flexible Jacketing • Ideal For 4-Channel Amplifiers
• Easy Installation

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• 9 Conductor 18 Gauge Speaker Wire
• Nine Cables In One
• Flexible Jacketing • Ideal For 4-Channel Amplifiers
• Easy Installation

PAC BB-2PR (Green)

Pair of Bass Blockers Designed for 6" Speakers (Blocks 0-600Hz at 4 ohms, 0-300Hz at 8 ohms)

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Pair of Bass Blockers Designed for 6" Speakers (Blocks 0-600Hz at 4 ohms, 0-300Hz at 8 ohms)

• Pair of Bass Blockers For 6" Speakers
• Blocks 0-600 Hz @ 4 Ohm
• Blocks 0-300 Hz @ 8 Ohm
• Encased in Durable Plastic Casing
• Handles Power up to 50 Watts

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• Pair of Bass Blockers For 6" Speakers
• Blocks 0-600 Hz @ 4 Ohm
• Blocks 0-300 Hz @ 8 Ohm
• Encased in Durable Plastic Casing
• Handles Power up to 50 Watts

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

    • You see only parts engineered for your exact vehicle
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.