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JL Audio JX360/2

2-channel car amplifier — 110 watts RMS x 2

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  • JL Audio JX360/2

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  • JL Audio JX360/2

  • JL Audio JX360/2

  • JL Audio JX360/2

  • JL Audio JX360/2

  • JL Audio JX360/2

  • JL Audio JX360/2

  • JL Audio JX360/2

  • JL Audio JX360/2

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Our take on the JL Audio JX360/2

by Buck Pomerantz
JL Audio

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

You know you're holding a serious piece of sound equipment when you feel the heft of a JX amp. JL Audio designed these amplifiers with sturdy, high-grade parts that ensure excellent heat management, provide high current flow, and deliver stable performance in almost any situation. You won't find blinking lights or meters on the outside of these amps, but you will find oversized output transistors and rugged MOSFET power supplies inside. The sleek, high-mass aluminum heatsink keeps things cool enough to virtually eliminate thermal shut-downs.

The JX360/2 2-channel amp puts out 110 watts RMS per channel to your speaker system, a great match for a high-quality set of component speakers — or you can switch over to mono mode to send 360 watts RMS to a sub. You can use the high- and low-pass frequency filters to make your speaker system sound its absolute best. The amp includes speaker-level inputs, along with preamp inputs and outputs, so it's ready to work in virtually any system.

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Highlights:

  • 2-channel car amplifier
  • 110 watts RMS x 2 at 4 ohms (180 watts RMS x 2 at 2 ohms)
  • 360 watts RMS x 1 at 4 ohms
  • Class AB amplifier design
  • MOSFET switching power supply
  • frequency response: 20-20K Hz
  • variable high- and low-pass filter (50-200 Hz, 12 dB/octave)
  • preamp inputs and outputs
  • speaker-level inputs
  • 4-gauge power and ground leads and a 50-amp fuse recommended — wiring and hardware not included with amplifier
  • no onboard fuses — when installing multiple amps in a system, an additional 50-amp in-line fuse between the distribution block and the amplifier is recommended
  • 14"W x 2-1/8"H x 7-3/4"D
  • warranty: 2 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Performance
RMS Power Output (Watts x Channels)
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110 x 2
Peak Power Output (Watts x Channels)
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N/A
Power at 2 Ohms (Watts x Channels)
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180 x 2
Bridged Power (Watts x Channels)
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360 x 1
Minimum Impedance Bridged
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4
Minimum Impedance Unbridged
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2
Best Frequency Response
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10-30k Hz
THD at Rated RMS Power
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1%
Signal to Noise Ratio
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77 dB
Input Voltage
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14.4v
Features
Amplifier Class
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AB
Low-Pass Crossover Frequency
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50-200 Hz
Low-Pass Slope (dB/octave)
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12 dB/octave
High-Pass Crossover Frequency
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50-200 Hz
High-Pass Slope (dB/octave)
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12 dB/octave
Bass Boost
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No
Bass Boost Frequency
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N/A
Fan Cooled
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No
Fuse Rating
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50
Speaker Level Inputs
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Harness
Preamp Outputs
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1 pair
Width (inches)
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14
Height (inches)
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2-1/8
Depth (inches)
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7-3/4
Parts Warranty
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2 Years
Labor Warranty
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2 Years
Product Research
What's in the box?

Download owner's manual

  • 2-Channel full-range amplifier
  • 10" Speaker-level harness
  • 4 Mounting screws
  • 4 Flat washers
  • Hex-key
  • Owner's Manual

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features
Controls
Connections

Features

Two-Channel Class A/B Amplifier: The JL Audio JX360/2 is a two-channel, full-range (20-20,000Hz) audio amplifier utilizing Class A/B technology. The JX360/2 can be operated with a wide variety of source units (aftermarket or factory) and system configurations (Mono or 2-channel).

MOSFET Switching Power Supply: The JL Audio JX series two-channel amplifier employs a rugged MOSFET power supply for outstanding reliability and operational stability.

Amplifier Ratings:

JX360/2 Amplifier Specifications Channels Watts Ohms Frequency Response Signal-to-Noise THD
Rated Continuous (RMS) Power @ 14.4V 2 110 4 20-20,000 Hz 77 dB 1%
2 180 2 20-20,000 Hz 77 dB 1%
1 (bridged) 360 4 20-20,000 Hz 77 dB 1%
Rated Continuous (RMS) Power @ 12.5V 2 90 4 20-20,000 Hz 77 dB 1%
2 140 2 20-20,000 Hz 77 dB 1%
1 (bridged) 280 4 20-20,000 Hz 77 dB 1%

High-Mass Heat Sink: A heavy extruded aluminum heat sink is designed to keep the JL Audio JX series amplifier in a comfortable thermal range during demanding operation. This high-mass, extruded heat sink removes heat from the amplifier circuitry, extending high-power operation. This improves reliability and reduces the frequency of thermally related shut-down event.

Protection Circuitry: The JX360/2's protection circuitry automatically shuts the amplifier down if thermal limits are exceeded, a short-circuit is detected in the speaker wiring, or if low supply voltage limits are reached.

Status Indicator Lights: There are two status indicator lights on the right side of the amplifier.

  • Power (Green): This LED lights green to indicate that the amplifier is turned on and operating normally.
  • Protect (Red): The Protection LED lights Red to indicate the amplifier's protection circuitry has been activated to prevent product failure due to thermal overload, a short-circuit, or a dangerously low impedance connected to the amplifier's outputs.

Controls

Input Sensitivity: The two-channel amplifier's Input Sensitivity Control is used to match your source unit's output voltage to the input stage of the amplifier for maximum clean output.

  • Low-Level Input Range: 200mV-4V (RMS)
  • High-Level Input Range: 2V-10V (RMS)

Variable Crossover: The variable filter design employed in the JX series amplifier's crossover section allows you to switch filter modes and change filter frequencies. The JX360/2 offers the following crossover adjustments along the amp's side-panel.

  • Filter Mode: The amplifier allows you to select either a Low Pass, High Pass or Full-Range operation.
  • Variable Frequency: You can set the amplifier's Low Pass or High Pass crossover from 50 to 200 Hz.

Connections

Power/Ground/Turn-On Terminals: The two-channel amplifier features set-screw terminals for the power, ground, and remote turn-on connections.

  • Power and Ground: The JL Audio amplifier's set-screw Power and Ground connections are designed to accept 4 to 2 AWG power wire. A 2.5mm hex-wrench is supplied for making connections.
  • Remote Turn-On: The JL Audio JX series amplifier's set-screw turn-on lead will accept 18 to 8 AWG  wire. The same 2.5mm hex-wrench is supplied for making connection.

Note: The Amplifier is not equipped with a fuse. An external 50-amp AFS, AGU, or MAXI fuse (not included) must be installed on the power wire. If a wiring kit is used which includes a fuse with a value other than 50-amps, the original should be replaced with a 50-amp fuse

Speaker Output Terminals: The JX360/2 amplifier's four set-screw speaker terminals will accept 16 to 8 AWG speaker wire. The amplifier's speaker terminals can be wired in a stereo or bridged configuration. A 2.5mm hex-wrench is supplied for making connections.

Preamp Inputs: The two-channel amplifier features one set of stereo RCA input jacks. The amplifier features a dedicated Input Sensitivity gain control for these inputs. These controls are designed to match the input sensitivity of the JX360/2 to the specific signal source that is feeding it. The amplifier's low-level input can be set between 200mV-4V RMS.

Speaker Level Inputs: The JL Audio JX360/2 also accepts speaker level signals, including those from factory systems (without the need for a line-output converter), via the supplied 10" speaker-level harness. The amplifier's high-level input can be set between 2V-10V RMS.

Preamp Outputs: The JX360/2 incorporates a pass-through preamp output sections, so that additional amplifiers can easily be connected to the same signal(s) feeding the two-channel amplifier. These preamp output signals are buffered to prevent noise and are always preamp level, regardless of the level of signals feeding the amplifier's inputs.

 
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JL Audio JX360/2 Reviews

Average Customer Review:

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Filter by rating:
5 out of 5

Great Amp!

Written By Jon M., Quitman, AR on Wednesday, April 16, 2014
Crutchfield Customer Review (What's this?)
 
I Hooked this amp up in my family van and it is GREAT! Easy set up, I was up and running in 15 min. I am driving one 12" MA Audio bridged to mono and it has plenty of bass. Can't wait to purchase another one.
Pros:
Easy set up, plenty of power for us, and a great sleek and clean design.
Cons:
None
Was this review helpful?    Yes | No
 
5 out of 5

Great Amp

Written By MikeF, Montana on Monday, February 03, 2014
Crutchfield Customer Review (What's this?)
 
Installed with ease and pushes my sub like no other, people cannot believe the bass that comes from the speakers with this amp i would recommend this amp to anyone looking for great clear sound
Was this review helpful?    Yes | No
 
5 out of 5

Good quality amp

Written By audiophile20, tallahassee florida on Tuesday, January 28, 2014
 
this is a classic heavy duty material quality amp. my dad who worked in the car audio industry for 25 years got this amp for me based on it weight, quality connectors and cooling abilities. this is the type of amp that doesnt need fancy buttons and lights that do nothing the jx 360/2 has a plain down to buisness look specifically meant to just perform. i have two comp 10s running off the amp currently and they hit harder than they did with all 4 of my past amps. the 4 guage wire leads give a great connection everytime. the JL audio support staff is promt and very helpful if you have any questions about the amp.
Pros:
tough, powerful, and quality
Cons:
allen wrench screws that are easily stripped when trying to use to small of wire
Was this review helpful?    Yes | No
 
5 out of 5

clean bass sound

Written By julio, pr on Saturday, December 14, 2013
Crutchfield Customer Review (What's this?)
 
Awesome quality amp, clean bass. Perfect for ínside surround music.
Pros:
Golf fidelity
Cons:
None
1 out of 1 people found this helpful
Was this review helpful?    Yes | No
 
5 out of 5

Awesome Amp, Clean Power

Written By AnthonyC, Florida on Wednesday, May 22, 2013
Crutchfield Customer Review (What's this?)
 
This amp powers my Infinity Kappa 2 ways perfect at 110W per channel.

The gain and filter adjustments are nice and the amp looks sleek. it has had no problems with line distortion or over heating.
Pros:
Clean Power, perfect for component speaker pair
Cons:
Kind of large
2 out of 2 people found this helpful
Was this review helpful?    Yes | No
 
5 out of 5

Jl audio

Written By Jose, Enid, OK on Wednesday, March 06, 2013
 
Awsome amp
2 out of 7 people found this helpful
Was this review helpful?    Yes | No
 
5 out of 5

Awesome!

Written By Cowboy, Dallas, TX on Thursday, December 13, 2012
 
Purchased this amp to power my JL CP108LGW3 sub. Love how low profile the amp is as I have it under the backseat of a Tundra. Extremely powerful for its size and exceeded all of my thoughts of how it would perform. JL Audio continues to make quality.
Pros:
slim, powerful, 2 channel, quality
2 out of 2 people found this helpful
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4 out of 5

Clean, powerful and transparent

Written By DaleyDriver, Palm Beach FL on Monday, September 17, 2012
Crutchfield Customer Review (What's this?)
 
This compact amp slips right under a seat, delivers excellent power and headroom and most importantly, just disappears from the signal chain - just like a well designed amp is supposed to.
Pros:
Small size, power output, no odd pops or clicks on turn on/turn off, no sharp edges or fins to draw blood during installation.
Cons:
Tiny crossover switch is a tad too small.
4 out of 4 people found this helpful
Was this review helpful?    Yes | No
 
4 out of 5

JL Audio JX360/2

Written By Jimmey, Yorktown, VA on Monday, October 24, 2011
 
Great Amp so far...bought open box..hooked to one JL 10" Sub.. 350 watts at 4 ohms is just what I wanted..gave it 4 stars since wires are exposed..
Pros:
Speaker level inputs
Cons:
Wires can't be covered if you install..Didn't matter for me since I installed it under the front passenger seat.
Was this review helpful?    Yes | No
 
5 out of 5

New JX360/2

Written By Frisbie, Elk Point, SD on Friday, April 22, 2011
 
I had a JL j2-306.2 and it had some problems so my warranty got me this,
since the other amp is discontinued. With the new amp all i can say is wow. It
says it has the same power, but my infinity references hit way harder now.
6 out of 6 people found this helpful
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3 questions already asked

I have this amp but it is no longer working what ate my option to find out what's wrong or why it may not be working? [ Nicole  May 30, 2014 ]
1 answer
  • If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: http://community.crutchfield.com. Or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/. [ Krissy Staff  May 31, 2014 ]
I have two 12 inch jl audio wxv2's and I want an amp that will push them at peak performance. Is this the amp for me and if not what is? [ RyanWxv2  Apr 28, 2014 ]
1 answer
  • Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy Staff  Apr 28, 2014 ]
Not much of an Audiophile but want to make sure I get my son the best set up and could use some help from the more advanced users here. I should probably say, more advanced than me, which probably means anyone reading this. I purchased the Polk Audio DXI112 (with ported sub enclosure) and want him to get the most out of the sub. My confusion and ignorance comes into play when trying to figure out Ohms! I am looking at the JL Audio JX360/2 and in the specs it says: 110 watts RMS x 2 at 4 ohms (180 watts RMS x 2 at 2 ohms) 360 watts RMS x 1 at 4 ohms The Sub spec sheet states: USE WITH 2 OHM COMPATIBLE AMPLIFIERS. NOT ALL AMPLIFIERS ARE STABLE INTO A 2 OHM LOAD (ESPECIALLY IN BRIDGED MODE). My questions are - if he bridges to pull 360 watts it looks like the amp operates at 4 Ohms. Is that correct? Will he only be able to use 180 watts in order to achieve 2 Ohms? [ Greg  Dec 17, 2013 ]
1 answer
  • This amp will not be a good match for that subwoofer. The subwoofer will prevent a 2-ohm load to the amplifier, and the amplifier is designed to handle that in bridged mode. I would recommend taking a look at mono subwoofer amplifiers. They are designed to work with specifically with subwoofers, and can handle the lower ohm rating. The Sound Ordnance M 1350 would be a great match: http://www.crutchfield.com/p_777M1350/Sound-Ordnance-M-1350.html?tp=115 [ Jeff Staff  Dec 17, 2013 ]

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For a more in-depth review and enhanced detailed information on the JL Audio JX360/2, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_136JX3602/JL-Audio-JX360-2.html ).