Garage
Shop

See all parts that fit your 1971 Thunderbird

JL Audio XDM400/4 (Open Box, Great)

400W RMS XDM Series Class D 4 Channel Car/Marine Amplifier

JL Audio
Shop all JL Audio
highlight-star-icon

• 75 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Learn more about the ls-xdm4004-u8
Universal fit Icon

Universal – fits most vehicles.

Similar items | Update vehicle | Vehicle store
List price $679.99
Thanks , You Pay:
-20%

$543.99

 with warranty
Starting at $50/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.
Quantity
In stock
Open Box, Great

Buy it now

Open box icon Brand new $679.99

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

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

Description


JL Audio brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

Product Details:

  • XDM Series Class D 2 ohm Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 75 watts x 4 channel
    • 2 ohm: 100 watts x 4 channel
    • Bridged: 200 watts x 2 channel @ 4 ohm
  • Total power output: 400 watts
  • LED Power/Protect Light
  • Wired bass level remote control with optional JL Audio HD-RLC or JL Audio MHD-RLC
  • Speaker-level (high-level) inputs (Requires adapter like the JL Audio XD-CLRAIC2-SW)
  • Signal sensing remote turn-on
  • Protection Circuitry with Status LED
  • NextD™ switching amp technology
  • Differential-balanced inputs help eliminate noise
  • Weather-resistant chassis: black powder-coat finish, gasketed control cover, stainless steel hardware
  • Input sensitivity:
    • Low level: 200mV - 4 volts
  • Frequency Response: 12 - 22000 Hz
  • Total Harmonic Distortion (THD): <1%
  • Signal to Noise Ratio: >104 dB
  • Variable high-pass filter: 50 - 500 Hz
  • Variable low-pass filter: 50 - 500 Hz
  • Fuse Rating: 40A
  • 4 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 8.52" L x 7.09" W x 2.05" H
  • Authorized Internet Dealer
  • 2 Year Manufacturer's Warranty
  • MFR #: XDM400/4

PDF IconJL Audio XDM400/4 Manuals

Specifications & Details


Key Features
Amplifier Key Features
Speaker Level Inputs
Weather-Resistant
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
75 watts x 4 channel
RMS Power @ 2 ohms
100 watts x 4 channel
Bridged RMS Power
200 watts x 2 channel
Amplifier Specifications
Series
XDM Series
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
400 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Frequency Response
12 - 22000 Hz
THD at Rated RMS Power
<1%
Speaker Level Inputs
Yes
Preamp Outputs
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
50 - 500 Hz
Low-Pass Crossover Frequency
50 - 500 Hz
Signal-to-Noise Ratio
>104 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fuse Rating
40A x 1 
Total Fuse Rating
40
Strappable
No
Sonic Certified Amplifier
Yes
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
200mV - 4 volts
What is in the box?
Paperwork
User manual
WITB: Amplifiers
Amplifier
Adhesive brand badge
Allen wrench
Warranty and Return Policy
Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

XDM400/4 (Open Box)

Weight:

5.06lbs

Internal SKU:

ls-xdm4004-u8

Internal Product ID:

207364

Customer Ratings & Reviews


JL Audio XDM400/4 (Open Box, Great) 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


HRN-HRR-CH2 small

iDataLink Maestro HRN-HRR-CH2 Wiring Harness

Install a New Car Stereo and Retain Steering Wheel Controls and Other Factory Features in select 2004-2010 vehicles from Dodge, Chrysler, Jeep

$44.99

List price $53.99

DX-04-1700W small

uNu DX-04-1700W Protective Case and Battery Recharger

Compatible with iPhone 4 & 4S Protects and Extends Battery Life

$29.99

List price $39.99

No picture

NVX XW1850BL (Like New (Open Box))

50 ft of 18 Gauge Blue Remote Wire/Cable

$8.49

List price $11.98

SBX-J-JLTAILGT/12W3 small

JL Audio Stealthbox SBX-J-JLTAILGT/12W3

Custom-Fit Loaded 12" Subwoofer Enclosure for select 2018-2024 Wrangler (JL)

$1199.99

List price $1199.99

No picture

NVX JAD800.4 (OPEN BOX, LIKE NEW)

True 1600 Watt Peak 800W RMS, Full Range Class D 4-Channel Amplifier (JAD-800.4)

$189.99

List price $324.99

Related Searches


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

1971 Ford Thunderbird

2015 Subaru Impreza

2002 Kia Optima

2018 BMW 2 Series

2017 Dodge Durango

2003 Dodge Durango

2011 Ford Edge

2011 Audi TT

2004 Buick Rainier

2010 Dodge Ram 2500

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.