Name: JL Audio JD400/4 (Open Box, Like New)
Brand: JL Audio
SKU: jd4004_obn
Price: 203.99 USD
Availability: InStock
Rating: 4.9259 (27 reviews)

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JL Audio JD400/4 (Open Box, Like New) Image 5 — JL Audio JD400/4 (Open Box, Like New)

Product highlights

• 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 jd4004_obn

Was $299.99 Details

$203.99

with warranty

FREE 1-day shipping to OH. Get it Wed, Nov. 19

Quantity Qty

In Stock

Like New (Open Box)

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Additional conditions

Open Box, Great $167.99

New, Damaged Packaging $223.78

Brand new $239.99

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Description

Authorized dealer

Item Condition - Like New (Open Box):

This product works and looks like new. It may have been opened for a visual demo or product video. In some cases there may be signs of an attempt at installation like opened packaging or mounting screw holes used, but there is no real sign of use or wear. Includes all original parts, packaging and accessories (or suitable replacement)

JL Audio JD400/4

400W RMS Class D JD Series 4 Channel Car Amplifier
Quantity: 1

Product Details:

JD 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 not included
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
Advanced Rollback Protection System prevents thermal shut-down
Speaker-level (high-level) inputs
Input sensitivity:

Low level: 200mV - 2 volts
High level: 800mV - 8 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: 9.50" L x 7.50" W x 2.10" H
Authorized Internet Dealer
2 Year Manufacturer's Warranty
MFR #: JD400/4

Specifications & Details

Key Features

Amplifier Key Features

Speaker Level Inputs

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

JD Series

Amplifier Class

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

Optional (Requires Accessory Adapter)

Preamp Outputs

1 pair

Built-in Crossover

Low-Pass (LP)
High-Pass (HP)

High-Pass Crossover Frequency

50 - 500 Hz

Low-Pass Crossover Frequency

50 - 500 Hz

Signal-to-Noise Ratio

>104 dB

Remote bass/level controller

Fuse Rating

40A x 1

Total Fuse Rating

Strappable

Amp Bluetooth Connectivity

Hi-Res Certified

Low-Level Input Sensitivity

200mV - 2 volts

High-Level Input Sensitivity

800mV - 8 volts

What is in the box?

Paperwork

User manual
Warranty/Registration card

WITB: Amplifiers

Amplifier
Mounting screws (4)
Washers (4)
Allen wrench

Warranty and Return Policy

Parts Warranty Duration

2 years

Labor Warranty Duration

2 years

Warranty Provider

Manufacturer

Customer Ratings & Reviews

JL Audio JD400/4 (Open Box, Like New) thumbnail image

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Overall rating distribution

5 star		96%
4 star		0%
3 star		4%
2 star		0%
1 star		0%

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Show only Verified Purchases

By feature average rating

Durability		4.9
Value		4.9
Features		4.9
Design		4.8
Usability		5

Customer Photos & Videos

Customer Reviews

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Installed on 2 cars 1994 Miata and 2005 Scion XB

The following review is for JD400/4, which is a part of the bundle you are viewing.

I installed both amp in both cars and the installation was very easy do to great electrical connectors both cars sound is very good using Pioneer double din touch screen head unit. Sound is very clean and has plenty of power both Amos was installed in the back 94 Miata in the trunk and on the 05 Scion XB also in t h e back. I love the quality of the J&L amps would buy again.

By Marco on March 11, 2023 Checkmark Icon

Verified purchase

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Amazing sound!

The following review is for JD400/4, which is a part of the bundle you are viewing.

This amp is phenominal. I am blown away with how well it performs. I believe in name brands when it comes to sound, and J/L hit the nail on the head with this one. I am running two subs bridged in two channel mode and it has a punch. QUALITY like this is meant to be heared. I wonder how great it would sound on my 6x9's. Makes me wish i still had my jl1000/1 to pair it with. Thanks sonicelectronics! You made my day.

By Ethan on August 7, 2021 Checkmark Icon

Verified purchase

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You cannot go wrong with this one.

The following review is for JD400/4, which is a part of the bundle you are viewing.

I had been driving around in my Tundra for 3 years with the stock system. Friend picked my up one day with a proper system installed and I started researching parts the next day. Ended up completely stripping the interior out and upgraded from front to back.
Kenwood DDX9907XR HU, Focal Focal ES 165K components up front, JL coaxes in the rear, JL Audio CS112LG-TW3 Sub powered by a JD500/1 and this amazing little JD400/4 pushing the components and rear fill.
To say I am impressed by this amp is an understatement. JL made setting the gain idiotproof and this will play as loud and clear as my 51 Y/O ears can handle.
Cannot recommend enough.

By Ken on March 3, 2022 Checkmark Icon

Verified purchase

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Awesome Service

The following review is for JD400/4, which is a part of the bundle you are viewing.

Was able to order a rush order and this amp in a breeze... Travis was so friendly and helpful, will highly recommend Sonic Electronix.

By Cody on August 23, 2020

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JL Audio JD400/4

The following review is for JD400/4, which is a part of the bundle you are viewing.

Clear sound, very pleased.. Easy install, instructions need to be worked on a little..

By Barton on August 10, 2020 Checkmark Icon

Verified purchase

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Unbelievable!!!!!!

The following review is for JD400/4, which is a part of the bundle you are viewing.

JL Audio has always been an awesome brand and even better when you can get it at a great price!!! Thank you Sonic Electronix!!!!

By Eddie on October 6, 2022 Checkmark Icon

Verified purchase

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Very happy!

The following review is for JD400/4, which is a part of the bundle you are viewing.

Paired with my JL C2 650's, this thing rocks! Super easy to install and delivers that JL quality that you know you're always gonna get. For the price, you can't beat this baby!

By Pico on May 23, 2022

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Looks and Feels Awesome!

The following review is for JD400/4, which is a part of the bundle you are viewing.

Have not installed this amplifier yet, but based on JL's reputation for quality and the look and feel of this amplifier I know it will perform well.

By Roberto on August 3, 2020 Checkmark Icon

Verified purchase

47 found this helpful Helpful?

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Nice amp.

The following review is for JD400/4, which is a part of the bundle you are viewing.

Wow! I'm amazed at how this amp got highs & mids sounding crispy and very detailed. I highly recommend this 4 channel amplifier to anyone who looking for one. And the price is very reasonable as well. Two thumbs!!

By Anthony on May 2, 2022 Checkmark Icon

Verified purchase

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Immediate Upgrade!

The following review is for JD400/4, which is a part of the bundle you are viewing.

Buy, buy, buy! You get what you pay for. All 400/4 amps are not the same. JL for the win.

By Reyze on May 14, 2023 Checkmark Icon

Verified purchase

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See all 27 reviews