Garage
Shop

Motorcycle Amplifier Wiring Kits and Bypasses

Loading...

Gear Icon Find products that fit. Set your vehicle.

Shop the Category

filter-icon Filters & Sort

DS18 RY-HARNESS.HD

4-Channel Output Plug and Play Amplifier Harness for select 2014-2023 vehicles from Harley Davidson

RY-HARNESS.HD big
Go to item page Right Arrow Icon of Right Arrow

4-Channel Output Plug and Play Amplifier Harness for select 2014-2023 vehicles from Harley Davidson

• Amplifier plug and play harness for select 2014-2023 vehicles from Harley Davidson
• 4-Channel RCA pre-output
• Oxygen free copper wiring material
• Built to withstand moisture and harsh conditions

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $16.20 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
List price $194.99
-17% $161.95

In stock

• Amplifier plug and play harness for select 2014-2023 vehicles from Harley Davidson
• 4-Channel RCA pre-output
• Oxygen free copper wiring material
• Built to withstand moisture and harsh conditions

Rockford Fosgate RFK-HD14M5

Complete amplifier installation kit for select 2014-up Harley-Davidson® motorcycles

RFK-HD14M5 big
Go to item page Right Arrow Icon of Right Arrow

Complete amplifier installation kit for select 2014-up Harley-Davidson® motorcycles

• Designed for installing a Rockford Fosgate amplifier (sold separately)
• 8 AWG wiring kit
• No cutting or splicing required
• Pure Crystal-Oxygen Free Copper (PC-OFC)
• Includes Boom!™ Audio bypass plugs

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $37.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
$369.99

In stock

• Designed for installing a Rockford Fosgate amplifier (sold separately)
• 8 AWG wiring kit
• No cutting or splicing required
• Pure Crystal-Oxygen Free Copper (PC-OFC)
• Includes Boom!™ Audio bypass plugs

Metra BC-AMP04

Amplifier Mounting Bracket for

BC-AMP04 big
Go to item page Right Arrow Icon of Right Arrow

Amplifier Mounting Bracket for

• Amplifier mounting bracket for Harley-Davidson motorcycles
• Designed for with batwing fairings
• Pre-drilled for Metra Powersports amplifiers (Sold separately)
• Steel construction with UV powder coating

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $6.80 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
1
List price $75.99
-11% $67.99

In stock

Only 3 Left!

• Amplifier mounting bracket for Harley-Davidson motorcycles
• Designed for with batwing fairings
• Pre-drilled for Metra Powersports amplifiers (Sold separately)
• Steel construction with UV powder coating

Stinger SVTK4681

Harley Davidson Amplifier Installation Kit 1998-Present

SVTK4681 big
Go to item page Right Arrow Icon of Right Arrow

Harley Davidson Amplifier Installation Kit 1998-Present

• Pre-cut, terminated and loomed power/ground & speaker wire harnesses
• Direct fit wiring and fusing with pre-terminated ends with Ferrule connectors
• 8GA OFC power and ground
• 16GA speaker wire

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $14.58 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
1
List price $229.00
-36% $145.80

Available

Ships in 10-14 days

• Pre-cut, terminated and loomed power/ground & speaker wire harnesses
• Direct fit wiring and fusing with pre-terminated ends with Ferrule connectors
• 8GA OFC power and ground
• 16GA speaker wire

Precision Power (PPI) HD14.AWK

MAA4.400 ATOM MINI Amplifier Bracket and Wiring Kit for Harley Davidson® 2014+ Touring Models

HD14.AWK big
Go to item page Right Arrow Icon of Right Arrow

MAA4.400 ATOM MINI Amplifier Bracket and Wiring Kit for Harley Davidson® 2014+ Touring Models

• T-harness for Plug-n-play Integration
• Brackets for Amp Installation

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $30.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
List price $379.99
-21% $299.99

In stock

Only 2 Left!

• T-harness for Plug-n-play Integration
• Brackets for Amp Installation

Metra BC-AMP02

Amplifier Mounting Bracket for with Batwing Fairings

BC-AMP02 big
Go to item page Right Arrow Icon of Right Arrow

Amplifier Mounting Bracket for with Batwing Fairings

• Amplifier mounting bracket for Harley-Davidson motorcycles
• Designed for with batwing fairings
• Pre-drilled for Metra Powersports amplifiers (Sold separately)
• Steel construction with UV powder coating

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $10.30 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
List price $114.99
-10% $102.99

In stock

Only 2 Left!

• Amplifier mounting bracket for Harley-Davidson motorcycles
• Designed for with batwing fairings
• Pre-drilled for Metra Powersports amplifiers (Sold separately)
• Steel construction with UV powder coating

Cerwin-Vega CTLINK

4-Channel Input with Load Resistor T-Harness Kit for select 2014-2023 vehicles from Harley Davidson

CTLINK big
Go to item page Right Arrow Icon of Right Arrow

4-Channel Input with Load Resistor T-Harness Kit for select 2014-2023 vehicles from Harley Davidson

• 4-Channel input with 4-Channel output load resistor T-harness kit
• Compatible with select 2014-2023 vehicles from Harley Davidson
• Aftermarket replacement harness function
• Retained Accessory Power (RAP) retention

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $16.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
1
List price $191.99
-17% $159.99

In stock.

• 4-Channel input with 4-Channel output load resistor T-harness kit
• Compatible with select 2014-2023 vehicles from Harley Davidson
• Aftermarket replacement harness function
• Retained Accessory Power (RAP) retention

Kenwood eXcelon CA-PLT14SG3

Third Amplifier Mounting Plate for select 2014-2023 vehicles from Harley Davidson

CA-PLT14SG3 big
Go to item page Right Arrow Icon of Right Arrow

Third Amplifier Mounting Plate for select 2014-2023 vehicles from Harley Davidson

• Third Amplifier Mounting Plate
• Designed for select 2014-2023 vehicles from Harley Davidson
• Durable All-Weather Construction

shipping truck icon Free shipping in USA. Provide zip for delivery date.
checkmark icon Confirm fitment. Set your vehicle.
1
List price $70.00
-30% $49.00

In stock

Only 1 Left!

• Third Amplifier Mounting Plate
• Designed for select 2014-2023 vehicles from Harley Davidson
• Durable All-Weather Construction

Cerwin Vega CMHR2

8-Gauge Oxygen Free Copper (OFC) Complete Amplifier Installation Kit for select 1998-2019 vehicles from Harley Davidson

CMHR2 big
Go to item page Right Arrow Icon of Right Arrow

8-Gauge Oxygen Free Copper (OFC) Complete Amplifier Installation Kit for select 1998-2019 vehicles from Harley Davidson

• 8 gauge Complete Amplifier Installation Kit
• Designed for fairing and saddlebag speakers in select 1998-2019 vehicles from Harley Davidson
• Made from OFC (100% Oxygen-Free Copper)
• Quality-shielded OFC RCAs with quick disconnects included
• Waterproof fuse holder included with 2 pc. 20-amp ATC fuses and Allen key

shipping truck icon Free shipping in USA. Provide zip for delivery date.
checkmark icon Confirm fitment. Set your vehicle.
List price $203.99
-17% $169.99

In stock.

• 8 gauge Complete Amplifier Installation Kit
• Designed for fairing and saddlebag speakers in select 1998-2019 vehicles from Harley Davidson
• Made from OFC (100% Oxygen-Free Copper)
• Quality-shielded OFC RCAs with quick disconnects included
• Waterproof fuse holder included with 2 pc. 20-amp ATC fuses and Allen key

Rockford Fosgate RFK-HD9813M5

Amplifier Installation Harness Kit for Rockford Fosgate Amplifiers in select 1998-2013 vehicles from Harley Davidson

RFK-HD9813M5 big
Go to item page Right Arrow Icon of Right Arrow

Amplifier Installation Harness Kit for Rockford Fosgate Amplifiers in select 1998-2013 vehicles from Harley Davidson

• Amplifier Installation Kit for Harley-Davidson Motorcycles
• Designed for use with Rockford Fosgate M5-800X4 or Rockford Fosgate TM400X4ad
• 100% pure crystal-Oxygen Free Copper (OFC) material
• Compatible with select 1998-2013 vehicles from Harley Davidson

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $33.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
$329.99

Available

Ships in 10-14 days

• Amplifier Installation Kit for Harley-Davidson Motorcycles
• Designed for use with Rockford Fosgate M5-800X4 or Rockford Fosgate TM400X4ad
• 100% pure crystal-Oxygen Free Copper (OFC) material
• Compatible with select 1998-2013 vehicles from Harley Davidson

Limited time!

Memphis MXHD14KITV2

Amplifier Wiring Kit for select Memphis Powersports Amplifiers in select 2014-2023 vehicles from Harley Davidson

MXHD14KITV2 big
Go to item page Right Arrow Icon of Right Arrow

Amplifier Wiring Kit for select Memphis Powersports Amplifiers in select 2014-2023 vehicles from Harley Davidson

• Complete Amplifier Installation Kit
• Designed for Memphis MX400.4 or Memphis MX800.4
• Direct fit for select 2014-2023 vehicles from Harley Davidson
• Made from OFC (100% Oxygen-Free Copper)
• Includes mounting brackets for Bat Wing and Shark Nose fairings

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $32.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
List price $599.95
Save $279.96
-47% $319.99

In stock

Only 3 Left!

Like New from: $324.99

• Complete Amplifier Installation Kit
• Designed for Memphis MX400.4 or Memphis MX800.4
• Direct fit for select 2014-2023 vehicles from Harley Davidson
• Made from OFC (100% Oxygen-Free Copper)
• Includes mounting brackets for Bat Wing and Shark Nose fairings

Hertz HTHP13

Power and Ground Wiring T-Harness for select 1998-2013 vehicles from Harley Davidson

HTHP13 big
Go to item page Right Arrow Icon of Right Arrow

Power and Ground Wiring T-Harness for select 1998-2013 vehicles from Harley Davidson

• Power and ground T-harness for select 1998-2013 vehicles from Harley Davidson
• Direct connection to the factory harness
• Made with high-quality copper wiring
• No cutting or splicing of wires required

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $27.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
List price $325.00
-17% $269.99

Available

Ships in 10-14 days

• Power and ground T-harness for select 1998-2013 vehicles from Harley Davidson
• Direct connection to the factory harness
• Made with high-quality copper wiring
• No cutting or splicing of wires required

NAV-TV ZEN-H (NTV-KIT1021)

A2B to 8-Channel RCA Audio Interface with Digital Sound Processor for select 2024-2025 vehicles from Harley Davidson with Skyline Stereos

NTV-KIT1021 big
Go to item page Right Arrow Icon of Right Arrow

A2B to 8-Channel RCA Audio Interface with Digital Sound Processor for select 2024-2025 vehicles from Harley Davidson with Skyline Stereos

• A2B audio interface for select 2024-2025 vehicles from Harley Davidson
• Adds aftermarket amplifiers to Skyline stereos
• Converts factory systems to 8-channel analog RCA outputs
• Retains volume control, fade, balance, sub control, EQ preset, voice call
• Plug and play installation, no cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $60.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
1
List price $699.99
-14% $599.99

In stock

Only 3 Left!

• A2B audio interface for select 2024-2025 vehicles from Harley Davidson
• Adds aftermarket amplifiers to Skyline stereos
• Converts factory systems to 8-channel analog RCA outputs
• Retains volume control, fade, balance, sub control, EQ preset, voice call
• Plug and play installation, no cutting or splicing required

Metra BC-9715

Install a New Motorcycle Digital Sound Processor or Amplifier in

BC-9715 big
Go to item page Right Arrow Icon of Right Arrow

Install a New Motorcycle Digital Sound Processor or Amplifier in

• Digital sound processor and amplifier integration harness
• Compatible with
• Add an amplifier harness for models with OE stereo and fairing
• Provides pre-terminated input and output wires
• RCA input and output wiring harnesses included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $17.80 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
List price $197.99
-10% $177.99

In stock.

• Digital sound processor and amplifier integration harness
• Compatible with
• Add an amplifier harness for models with OE stereo and fairing
• Provides pre-terminated input and output wires
• RCA input and output wiring harnesses included

Hertz HD14MAP

Amplifier Mounting Plate with Bracket for select 2014-2023 vehicles from Harley Davidson

HD14MAP big
Go to item page Right Arrow Icon of Right Arrow

Amplifier Mounting Plate with Bracket for select 2014-2023 vehicles from Harley Davidson

• Amplifier mounting plate for select 2014-2023 vehicles from Harley Davidson
• Includes mounting plate with bracket
• OEM-style painted finish for a factory look
• Durable construction for long-lasting use
• No cutting or drilling required

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
List price $125.00
-12% $109.99

Available

Ships in 10-14 days

• Amplifier mounting plate for select 2014-2023 vehicles from Harley Davidson
• Includes mounting plate with bracket
• OEM-style painted finish for a factory look
• Durable construction for long-lasting use
• No cutting or drilling required

DS18 RY-KIT8.HD

8 Gauge Ryder OFC Ultra Flex Amplifier Installation Kit for select 1996-2023 vehicles from Harley Davidson

RY-KIT8.HD big
Go to item page Right Arrow Icon of Right Arrow

8 Gauge Ryder OFC Ultra Flex Amplifier Installation Kit for select 1996-2023 vehicles from Harley Davidson

• 8-gauge OFC ultra flex amplifier wire kit for select 1996-2023 vehicles from Harley Davidson
• Good for amplifiers with power up to 840 watts RMS
• ATC fuse holder with 2x30A
• Power, remote wires, and accessories
• Can be used for motorcycle, powersports, and marine

shipping truck icon Free shipping in USA. Provide zip for delivery date.
checkmark icon Confirm fitment. Set your vehicle.
List price $93.99
-17% $77.95

Available

Ships in 10-14 days

• 8-gauge OFC ultra flex amplifier wire kit for select 1996-2023 vehicles from Harley Davidson
• Good for amplifiers with power up to 840 watts RMS
• ATC fuse holder with 2x30A
• Power, remote wires, and accessories
• Can be used for motorcycle, powersports, and marine

Kenwood eXcelon CA-PLT98

Amplifier Side Mounting Plate for 2nd XM160-2-98 Amplifier in select 1998-2013 vehicles from Harley Davidson

CA-PLT98 big
Go to item page Right Arrow Icon of Right Arrow

Amplifier Side Mounting Plate for 2nd XM160-2-98 Amplifier in select 1998-2013 vehicles from Harley Davidson

• Amplifier Side Mounting Plate
• Designed for select 1998-2013 vehicles from Harley Davidson
• Durable All-Weather Construction

shipping truck icon Free shipping in USA. Provide zip for delivery date.
checkmark icon Confirm fitment. Set your vehicle.
List price $70.00
-30% $49.00

In stock

Only 2 Left!

• Amplifier Side Mounting Plate
• Designed for select 1998-2013 vehicles from Harley Davidson
• Durable All-Weather Construction

Diamond Audio MSTLINK

4-Channel Input with Load Resistor and 4-Channel Output T-Harness Kit for select 2014-2023 vehicles from Harley Davidson

MSTLINK big
Go to item page Right Arrow Icon of Right Arrow

4-Channel Input with Load Resistor and 4-Channel Output T-Harness Kit for select 2014-2023 vehicles from Harley Davidson

• 4-Channel Input with Load Resistor and 4-Channel Output T-Harness Kit
• Compatible with select 2014-2023 vehicles from Harley Davidson
• Designed for both amplified and non-amplified
• Aftermarket replacement harness function
• Retains RAP (Retained Accessory Power)

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $18.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
$179.99

In stock.

• 4-Channel Input with Load Resistor and 4-Channel Output T-Harness Kit
• Compatible with select 2014-2023 vehicles from Harley Davidson
• Designed for both amplified and non-amplified
• Aftermarket replacement harness function
• Retains RAP (Retained Accessory Power)

NAV-TV NTV-KIT1022 (ZEN-H PRO)

A2B to 8-Channel RCA Audio Interface with DSP for select 2024-2025 vehicles from Harley Davidson

NTV-KIT1022 big
Go to item page Right Arrow Icon of Right Arrow

A2B to 8-Channel RCA Audio Interface with DSP for select 2024-2025 vehicles from Harley Davidson

• Harley-Davidson A2B to 8-channel analog audio interface with DSP
• Designed to install an aftermarket amplifier
• Retains factory features
• Compatible with select 2024-2025 vehicles from Harley Davidson with Skyline stereos

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $80.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
List price $899.99
-11% $799.99

In stock

• Harley-Davidson A2B to 8-channel analog audio interface with DSP
• Designed to install an aftermarket amplifier
• Retains factory features
• Compatible with select 2024-2025 vehicles from Harley Davidson with Skyline stereos

Hertz HD13AP

Amplifier Mounting Plate with Bracket Mount for select 1998-2013 vehicles from Harley Davidson

HD13AP big
Go to item page Right Arrow Icon of Right Arrow

Amplifier Mounting Plate with Bracket Mount for select 1998-2013 vehicles from Harley Davidson

• Amplifier mounting plate for select 1998-2013 vehicles from Harley Davidson
• Designed for Road Glide models
• Made from high-quality materials
• Easy to install with existing mount points

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

checkmark icon Confirm fitment. Set your vehicle.
List price $125.00
-12% $109.99

In stock

Only 1 Left!

• Amplifier mounting plate for select 1998-2013 vehicles from Harley Davidson
• Designed for Road Glide models
• Made from high-quality materials
• Easy to install with existing mount points

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2015 BMW M3

    1983 Ford Ranger

    1998 Dodge Caravan

    2010 Subaru Forester

    2004 Subaru Impreza

    2016 Honda Civic

    2014 Chrysler 300

    1995 Ford Explorer

    2003 Chevrolet TrailBlazer

    2013 Subaru Outback

    Vehicle
    Store
    Delete

    2018 Can-Am Defender MAX HD8

    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 category 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.