Garage
Shop

See all parts that fit your 2018 Challenger

Metra IBWRD04

Dual 1/0-Gauge to Single 4-Gauge Input Wire Reducers

Metra
Shop all Metra
highlight-star-icon

• Dual 1/0-gauge input and output to 4-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

Learn more about the ibwrd04
Universal fit Icon

Universal – fits most vehicles.

Similar items | Update vehicle | Vehicle store
List price $47.99
Thanks , You Pay:
-10%

$42.99

 with warranty
4 payments of $11

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.
Quantity
Available: Ships in 10-14 days
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

Loading...
APSUB-CH41 main

PAC APSUB-CH41

Amplifier and Subwoofer Integration Interface for select 2013-2024 vehicles from Ram, Jeep, Dodge

-27.36%

$239.00

List price $329.00

KIT-CHA1 main

iDataLink Maestro KIT-CHA1 Dash Kit

Double DIN Stereo Dash Kit and Harness for select 2015-2023 Challenger and Charger and 300 (Requires MRR or MRR2 module)

-17.95%

$159.99

List price $194.99

72-7902 main

Metra 72-7902

Install New Speakers in select 1990-2024 vehicles from Ram, Dodge, Jeep

19
-28.59%

$9.99

List price $13.99

RSRAM72 main

Kleinn RSRAM72 Remote Start for 2018-2024 RAM, Dodge, Jeep, Chrysler

Easy DIY Remote Starter Kit with Key-to-Start and Push-to-Start, Takes less than 1 hour to install (RSRAM72)

-14.82%

$229.99

List price $269.99

72-6515 main

Metra 72-6515

Install New Speakers in select 1999-2024 vehicles from Dodge, Jeep, Chrysler

11
-10.01%

$8.99

List price $9.99

72-6517 main

Metra 72-6517

Install a New Tweeter in select 2005-2024 vehicles from Dodge, Chrysler, Jeep

2
-13.34%

$12.99

List price $14.99

Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

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

123
-33.36%

$79.96

List price $119.99

Lowest price in 30 days
VSPTW main

NVX VSPTW

450W Peak (150W RMS) 1" V-Series Silk Dome Tweeters with External Crossovers

29
-16.67%

$49.99

List price $59.99

R169X2 main

Rockford Fosgate Prime R169X2

260W Peak (130W RMS) 6x9" Prime Series 2 Way Coaxial 4-ohm Speakers

49
P1650 main

Rockford Fosgate Punch P1 P1650

220W Peak (110W RMS) 6.5" Punch P1 Series 2 Way Coaxial 4-ohm Speakers

61

Description


Metra brand icon

Authorized dealer


Metra IBWRD04

This pair of input wire reducers is a convenient solution for aftermarket audio upgrades in any vehicle. They each accept an input of dual 1/0GA wire and output for a single 4GA wire that will fit into an amplifier's terminal. They provide a secure connection featuring hex screws and easy installation with no crimping required.


Product Details:

  • Dual 1/0-gauge input and output to 4-gauge wire reducer
  • Designed for aftermarket audio upgrades in any vehicle
  • Hex screw design ensures secure connection
  • Silicone covers provide superior electrical insulation
  • Machined brass for excellent conductivity and durability
  • Corrosion-resistant Chrome finish
  • No crimping required
  • Sold as pair
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Loading...
SB-D-CHLGR/12W3v3 main

JL Audio Stealthbox® SB-D-CHLGR/12W3v3

Custom fit subwoofer enclosure for select 2009-2023 Challenger

1

$1,149.99

82-6901,DB6502 main

Polk Audio DB6502 DB+ 6.5" 600 Watt Car Speakers with Free 6" x 9" Adapters

600W Peak (200W RMS) 6.5" DB+ Series 2-way Component Speakers with 6" x 9" Speaker Adapters

47
-9.13%

$211.72

List price $232.98

Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

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

123
-33.36%

$79.96

List price $119.99

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

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

43DSC6504 main

Kicker DSC650 (43DSC6504)

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

28
-10.53%

$84.99

List price $94.99

Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

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

12
-9.16%

$109.00

List price $119.99

SXE-6926S main

Alpine SXE-6926S

280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers

13
-20.84%

$56.99

List price $71.99

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


Best selling similar products

SSGA48 small

Stinger SSGA48

• Brass Construction
• 4 GA to 8 GA
• Nickel Plated Finish
• Large Set Screws

(3)

$7.99

List price $9.00

SPT522 small

Stinger SPT522

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

(23)

$9.99

List price $19.00

SPT521 small

Stinger SPT521

• Gauge Reducer Adapter
• 1/0 Gauge Input to 4 Gauge Pin
• Deep Wire Recesses
• Ultimate Power Delivery
• Corrosion Resistant Shoc-Krome Plating

(41)

$12.99

List price $29.00

IBWRD00 small

Metra IBWRD00

• Dual 1/0-gauge input and output to 1/0-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

$44.99

List price $49.99

IBWRD88 small

Metra IBWRD88

• Dual 8-gauge input and output to 8-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

$21.99

List price $24.99

SPT5210 small

Stinger SPT5210

• Power Wire Coupler
• Ultimate Power Delivery
• Corrosion Resistant Shoc-Krome Plating

(2)

$11.99

List price $19.00

LLDUAL-1/0 small

Limitless Lithium LLDUAL-1/0

• Universal Dual 1/0 to 1/0 Gauge Amp Inputs
• Merges two 1/0-gauge cables into one input
• Precision machined construction
• Sold as pair

$15.00

List price $15.00

SPT5211 small

Stinger SPT5211

• Power Wire Coupler
• Ultimate Power Delivery
• Corrosion Resistant Shoc-Krome Plating

(1)

$9.99

List price $19.00

IBCPLR1 small

Install Bay IBCPLR1

• Wire Gauge Reducer
• 0 AWG to 4 AWG
• Nickel Plated
• Deep Wire Recesses
• Ultimate Power Delivery

(4)

$10.99

List price $12.99

Item Details


Manufacturer:

Model Number:

IBWRD04

Weight:

0.50lbs

Internal SKU:

ibwrd04

Internal Product ID:

228293

Customer Ratings & Reviews


Metra IBWRD04 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

XAV-601BT small

Sony XAV-601BT Open Box

In-Dash 6.1" LCD Touchscreen Car Stereo Receiver w/ Bluetooth, TeleNav iPhone App Control & Dual USB

$349.99

List price $599.99

P3001 small

Rockford Fosgate P3001

900W Max, Monoblock Amplifier

(4)

$109.99

List price $299.99

998U(H) small

Directed 998U(H)

Bitwriter Upgrade Chip, Version 2.3 (998UH)

$6.99

List price $29.99

KD-AVX11 small

JVC KD-AVX11

True Single DIN 2.7" TFT-LCD Monitor with DVD, DVD-R/-RW, DivX, VCD, CD/MP3 Receiver and Remote

(3)

$289.99

List price $449.99

MVH-P8200BT small

Pioneer MVH-P8200BT

3" LCD In-Dash Multimedia Receiver with Built-in Bluetooth, SD Card Slot and USB Direct Control

(8)

$199.99

List price $369.99

07C124 small

Kicker C124 (07C124)

12" Single 4 ohm Comp Series Car Subwoofer

(137)

$59.46

List price $129.95

2SVK15-GRAY small

Sonic Sub Box: 2SVK15 (Gray)

15" Kicker Solo-Baric Square-Hole Dual Slot Vented MDF Enclosure

(3)

$79.99

List price $269.99

Related Searches


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

2018 Dodge Challenger

2012 Fiat 500

2002 Ford Excursion

1994 Acura Vigor

1992 Isuzu Amigo

2015 Jeep Renegade

2020 Kia K900

1989 GMC V3500 Pickup

2020 Audi A4 allroad

2003 Mitsubishi Montero

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.