See all parts that fit your 2011 Expedition
400W 4-Channel Class D XD Series Full-Range Car Amplifier
• 100W x 4-Chan @ 2 Ohm
• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 3-Way System Protection Circuitry
• Remote Bass Input
Connect Factory Antenna to New Aftermarket Radio in select 2002-2020 vehicles from Ford, Chevrolet, GMC
$3.99
List price $14.99
Install a New Car Stereo and Retain Steering Wheel Controls and Other Factory Features in select 2006-2022 vehicles from Ford, Lincoln, Mercury
$136.99
List price $152.99
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
Add 5-1/4" or 6-1/2" Speakers to Factory 6" x 8" Mounting Locations for select 1950-2025 vehicles from Ford, Mercury, Mazda
$7.99
List price $14.99
450W Peak (150W RMS) 6x8” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
720W Peak (120W RMS) 6x8" HED Series 3-Way Coaxial 4-ohm Speakers
$79.99
List price $95.99
6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth and Built-in Alexa
$194.99
List price $300.00
6.8" Double DIN Touchscreen DVD Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)
$399.00
List price $580.00
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto
$269.00
List price $399.00
Infinity Kappa 683XF (INFSPKKA683XFAM)
600W Peak (200W RMS) 6x8" Kappa Series 2-Way Coaxial 3-ohm Car Speakers
$223.95
List price $329.95
• 100W x 4-Chan @ 2 Ohm
• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 3-Way System Protection Circuitry
• Remote Bass Input
JL Audio's XD400/4 4-channel XD series amplifier encompasses high quality at an affordable price. When JL Audio sets out to make an affordable amplifier the one thing that you can bet they will not do is compromise on quality and performance. XD amplifiers feature NexD Class D Technology, that reduces distortion and increases efficiency. The use of an Advanced Rollback Protection system will allow the XD amplifiers to maintain both thermal and low-impedance protection by either limiting available peak voltage when overheating or rolling back peak voltage when low impedance is presented at the outputs. In order to minimize engine whine or alternator noise, XD amplifiers feature differential-balanced inputs that eliminate voltage sensitivity between one input terminal and ground thus reducing the occurrence of interference. In addition to all these great technologies, XD amplifiers also feature a relatively small chassis, making them easily mountable in any vehicle without extraneous hassle. When looking for a space-saving amplifier loaded with the latest technologies and unsurpassed quality and performance, then look no further than JL Audio's XD series car amplifiers.
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(newest, current model)
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(previous model, replaced by JL Audio XDM400/4)
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(previous model, replaced by JL Audio XD400/4v2)
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This item is currently not eligible for our low price guarantee. This may be due to supply constraints, manufacturer restrictions, or another reason. We're always here to help you get the best price possible so give us a call or email today. Our experts will do their best to build the system that works for you within the rules.
2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates
390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates
$477.88
List price $543.88
6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera
$329.99
600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
$79.96
List price $119.99
6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready
$349.99
List price $420.00
7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)
$329.95
List price $349.95
6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)
$599.99
List price $750.00
480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)
$84.99
List price $94.99
600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers
$109.00
List price $119.99
6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring
$89.99
List price $269.99
360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers
$99.95
List price $139.95
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Manufacturer:
Model Number:
XD400/4
Weight:
5.50lbs
Internal SKU:
xd4004
Internal Product ID:
26843
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very nice amp sound clean
Very good amp small and sounds clean
49 found this helpful
This Thing Rules!
This amp is compact, powerful, stays cool, and is very, very efficient. Hook any set of speakers up to this and it will drive them hard with beautiful, clean sound. This unit may be expensive, but you get what you pay for!
46 found this helpful
Blessing in disquise
I hooked this unit up to my 6.5" components in a 4 channel / 4ohm configuration and was not disappointed in any way. Spend the extra $120 and buy this amp over the competitors. Money well spent in my opinion. I first bought a RF Prime 400w D-class unit that fried in a matter of minutes at 3/4 volume. Thank god it failed because I bought this one instead. Blessing in disquise!
Pros: Sleek look, easy to install, crossover dial detents (awesome!), small size w/big sound.
Cons: Absolutly none that I can think of.
46 found this helpful
Amazing Amp
I am impressed with the power of this amp, I had two amplifiers rockford fosgate for focal's access and Poliglass, also for a couple of subwoofers jl Audio 12W1, and really did not know what kind of brands buy it. I decided to buy this amp but I was afraid if that brand was I'm looking for. I have a surprise, it's pretty good and quite practical, and has a power that leave me very satisfied
45 found this helpful
JL AUDIO AMP!
This amp performs great. I have it connected to 2 6x9; 2 6 1/4; and two tweeters which pumps out awesome result with clarity on the vocals and the music tracks. I'm thinking of upgrading to the 600 series because I want to add a woofer for more drop in the bass.
45 found this helpful
Awesome. Perfectly replaces OEM JEEP JK AMP IN DASH
Perfect !
46 found this helpful
SQ is great!
I had this amp installed to power my front stage of hertz hsk 165 6.5 in component set speakers and the sound is incredible. Bridged the amp to power just these speakers and it worked out great. Compliments my pair of w6's perfectly. The small design fits perfectly under the drivers seat of my Jeep Grand Cherokee with no problems in the first few weeks. I have a kicker ix 500.4 but do prefer this jl amp.
42 found this helpful
love it
i have been experimenting with different amps over the past few years and i think this is the one. the small size and efficiency are great and the output is exactly what i have been looking for i have tried lower and higher power this is a good match for me i have no complaints
41 found this helpful
AMAZING Amp!
Upgraded from an MB Quart 4.80 to this amp, the difference is night and day. Twice the price DOES mean twice the amp in this case! Aside from the power, and the sound quality achievable with this amp, the build quality is second to none. It has a good bit of weight for an amp as small as it is, and the gain & filter knobs are very well made and easy to adjust. Powering Focal access series 6.5" components in the front with Rockford Power series 3-way 6x9's in the back and i couldnt be happier!
41 found this helpful
Awesome
This is an awesome affordable amp. The ouput of this amp is unbelievable. I compared this to the Alpine PDX4.1 and let me tell you this thing is worth the money and out performs the others. Great amp JL Audio. You out did yourself this time.
42 found this helpful
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
