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JVC KW-AVX840

7" In-Dash Double DIN Multimedia DVD/Divx/MP3/WMA/WAV Receiver with Built-in Bluetooth (El Kameleon)

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In-Dash Double DIN Multimedia Receiver • 7" TFT-LCD Display • 3-Band Parametric EQ • Dolby Digital Audio • Built-In Bluetooth • Detachable Faceplate • Customizable Wallpaper • Dual Zone • 3 Sets of 4V Preamp Outputs

Learn more about the kwavx840

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This item has been discontinued

Product Highlights


In-Dash Double DIN Multimedia Receiver • 7" TFT-LCD Display • 3-Band Parametric EQ • Dolby Digital Audio • Built-In Bluetooth • Detachable Faceplate • Customizable Wallpaper • Dual Zone • 3 Sets of 4V Preamp Outputs

Description


JVC brand icon

Authorized dealer

Flexible Entertainment

The JVC KW-AVX840 is the perfect option when it comes to in-dash double din A/V entertainment receivers. Now it’s not just a CD/DVD Player, it can also playback DVD-VR, MPEG1, MPEG2 and JPEG Pictures. By being compatible with so many different types of media, it gives you the ability to play just about anything. This unit comes with the proximity sensor. This sensor will allow you to hide the on-screen menu when your hand is away from the screen and then reveal the menu when your hand approaches it. This is helpful when you don’t want a bright screen in your car while driving at night.

The unit comes with built-in Bluetooth making your life easy without having to fumble around with a cell phone while driving. Integrated Bluetooth allows you to pair phones, headsets and other portable devices for audio streaming and hands-free calling. Not only does it have built-in bluetooth, it does allow you to play your iPod via the USB Input. All you need is the standard USB-to-iPod cable and you are set for iPod audio playback.

JVC GPS Drive Motion X

Find Your Route with GPS Drive Motion X

If you have an iPhone, you are on your way to a full featured in-dash navigation system for a fraction of the cost. After downloading the MotionX-GPS Drive application from the App Store, you can turn the JVC KW-AVX640 into a first rate navigation system. Simply install the app and connect your iPhone to the KW-AVX640. The points of interest are loaded from the internet to provide up to date and accurate information. Take full advantage of your iPhone and use MotionX GPS Drive as your navigation solution

 
 
 
 
 
 
 

General Features:

  • In-Dash 7" Double DIN AM/FM, DVD, MP3, WMA, WAV Multimedia Receiver
  • Built-in Bluetooth technology supports hands-free calling with a compatible Bluetooth phone
  • 2-Way control for iPod and iPhone allows user to control the device from the headunit or from the device
  • Motorized faceplate with tilt
  • Remote control optional: JVC RM-RK252P required and sold separately
  • Slide-down detachable face
  • 7" TFT-LCD Full-color touchscreen display
  • Personalized wallpaper backgrounds lets you choose between 4 different wallpaper themes
  • Separate variable color control for wallpapers, text, and hard-key buttons
  • Switchable 4:3 or 16:9 aspect ratio
  • CEA-2006 compliant amplifier
  • Power Output:
    • Peak: 50 watts x 4 channels
    • RMS: 20 watts x 4 channels
  • CD Text Display
  • MP3 ID3 Tag Display (Title/Artist/Album)
  • Proximity sensor hides the on screen menu when your hand is away from the unit and reveals the menu when your hand approaches the unit
  • El Kameleon design keeps unit concealed
  • Blackout feature turns off key illumination
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Playback and Audio Features:

  • Playback of DVD, DVD-VR, MPEG1, MPEG2, DivX, VCD, CD, CD-R, CD-RW, CD-DA, MP3, WMA, WAV, and JPEG
  • Compatible with region 1 DVDs
  • AM/FM tuner with 18FM/6AM presets
  • 3-Band parametric EQ with 7 selectable tone curves (6 Preset, 1 User)
  • High-Pass Filter (40, 60, 80, 100, 120, 150, 180, 220, Hz or Through)
  • Low-Pass Filter (50, 60, 80, 100, 120 Hz)
  • Radio data system (RDS) displays radio broadcast information such as artist, title and album
  • Dolby Digital Audio technology
  • PAL/NTSC Compatible
  • Adjustable subwoofer output level
  • 24-bit digital-to-analog converter
  • Dual zone capable

Expandability Options:

  • 3 Sets of 4V preamp outputs (front, rear and mono-subwoofer)
  • Integrated Bluetooth: Enables phones, headsets, and portable devices to be paired for audio streaming and hands free calling with included voice microphone
  • SIRIUS or XM Satellite Radio Ready: SIRIUS Satellite Radio Package or XM Radio Package required and sold separately, as well as a subscription to the respective satellite radio service
  • HD Radio Ready: JVC KT-HD300 required and sold separately
  • iPod/iPhone Ready:
    • Audio playback Only: Scosche IPUSB2 cable will work with most iPods/iPhones
    • Audio & Video Playback: JVC KS-U30 required and sold separately
  • Steering wheel remote ready: PAC SWI-JACKv1 or the Axxess ASWC required and is sold separately
  • 1 Rear RCA composite video output
  • 1 Rear RCA composite audio/video input
  • Dedicated video input for rear view camera
  • MotionX GPS Application Ready - iPhone users with MotionX GPS Navigation Application can stream navigation image from application directly onto screen

Bluetooth Features:

  • Built-in Bluetooth technology for hands-free talking and audio streaming
  • Supports SMS message notifications and A2DP audio streaming
  • Bluetooth profiles supported:
    • HFP: Hands Free Profile allows a hands-free car kit to connect to a compatible mobile phone
    • A2DP: Advanced Audio Distribution Profile allows high quality audio to be streamed from an audio device to the car stereo
    • AVRCP: Audio/Video Remote Control Profile supports basic remote control functions (play, pause, etc) via Bluetooth
    • OPP: Object Push Profile for sending basic "objects" such as pictures and other virtual material
    • PBAP: Phone Book Access Profile allows the car stereo to display the name of the incoming caller, as well as access the contact list of the mobile phone directly from the car stereo
  • Works with most Bluetooth enabled cell phones
  • Supports hands free calling with audio streaming
  • Enables the receipt notification of SMS (Short Message Service)
  • Voice recognition dialing with compatible cell phones
  • Manual phonebook transfer up to a maximum of 400
  • Microphone (with mounting bracket) included

Key Features And Comparison Chart

Display
6.1" LCD Touchscreen
6.1" LCD Touchscreen
7" LCD Touchscreen
6.1" LCD Touchscreen
6.1" LCD Touchscreen
6.1" LCD Touchscreen
5.4" LCD Monitor
Navigation
Motion X
Motion X
Motion X
Motion X
 
Variable Color Illumination
Pre-amp Outputs
3 Pairs
(2.5 Volts)
3 Pairs
(2.5 Volts)
3 Pairs
(4 Volts)
3 Pairs
(4 Volts)
3 Pairs
(4 Volts)
3 Pairs
(4 Volts)
3 Pairs
(5 Volts)
Video Playback
DVD
DVD
DVD, VCD, DivX
DVD, VCD, DivX
DVD, VCD, DivX
DVD, VCD, DivX
DVD, VCD
Audio Playback
CD, MP3, WMA
CD, MP3, WMA
CD, MP3, WMA
CD, MP3, WMA
CD, MP3, WMA
CD, MP3, WMA
CD, MP3, WMA
Bluetooth
Built-In
Built-In
Built-In
Built-In
Built-In
KS-BTA100
Required
Built-In
USB Interface
FRONT
FRONT
REAR
REAR
REAR
REAR
REAR
Auxiliary Input (Mini-Jack)
FRONT
FRONT
 
FRONT
FRONT
FRONT
 
HD Radio
Built-In
Built-In
KT-HD300
Required
KT-HD300
Required
KT-HD300
Required
KT-HD300
Required
KT-HD300
Required
Satellite Radio Ready
2-Way iPod Control
Equalizer
7-Band iEQ
7-Band iEQ
3-Band iEQ
3-Band iEQ
3-Band iEQ
3-Band iEQ
7-Band iEQ
Digital-to-Analog Converter
192kHz/24bit
192kHz/24bit
192kHz/24bit
192kHz/24bit
192kHz/24bit
192kHz/24bit
192kHz/24bit
Dolby Digital Sound
2-Channel
2-Channel
2-Channel
 
 
 
5.1-Channel
AM/FM Presets
18FM / 6AM
18FM / 6AM
18FM / 6AM
18FM / 6AM
18FM / 6AM
18FM / 6AM
18FM / 6AM
Dual Zone
 
 
 
 
 
 
iTunes Tagging
 
 
 
 
 

Product history:

JVC KW-AVX840 thumbnail
(newest, current model)
JVC KW-AVX830 thumbnail
(previous model, replaced by JVC KW-AVX840)
JVC KW-AVX820 thumbnail
(previous model, replaced by JVC KW-AVX830)
JVC KW-AVX810 thumbnail
(previous model, replaced by JVC KW-AVX820)
JVC KW-AVX800 thumbnail
(previous model, replaced by JVC KW-AVX810)
JVC KW-AVX706 thumbnail
(previous model, replaced by JVC KW-AVX800)

Specifications & Details


In-Dash Receiver Specifications
Receiver Size
Double DIN
Anti-Theft Security
Detachable Faceplate
Wireless Remote
Optional (Accessory and sold separately)
Peak Power Output
50 watts x 4 channel
RMS Power Output
20 watts x 4 channel
Preamp RCA Outputs
3 Sets (6-channel)
Dedicated Subwoofer Preamp RCA Output
Yes
Preamp Voltage
4 volts
Built-In Equalizer
3-Band parametric EQ with 7 selectable tone curves (6 Preset, 1 User)
Display Type
TFT-LCD Display
Touchscreen
Yes
Display Adjustment
Brightness
Color
Contrast
Dimmer
Tint
Expandability Features
Inputs
Audio/Video (Rear)
Backup Camera
Outputs
Composite Video (RCA)
Steering Wheel Control Compatible
Yes (Accessory required and sold separately)
Tuner
AM/FM Tuner
Yes
FM Presets
18
AM Presets
6
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

JVC

Model Number:

KW-AVX840

Weight:

8.25lbs

Internal SKU:

kwavx840

Internal Product ID:

33387

Product and How-to Videos


  • JVC Bluetooth Stereo Control Receivers | CES 2014
  • How To Install a Car Stereo (Single & Double DIN) | Car Audio 101

Customer Ratings & Reviews



5 star
29%
4 star
57%
3 star
14%
2 star
0%
1 star
0%



Durability
4.2
Value
4.6
Features
4.5
Design
4.5
Usability
4.3

Customer Reviews

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Awesome

I have just had the head unit installed and it is excellent. I highly recommend this head unit. It is good value.

By Justin on October 20, 2011

19

found this helpful.

Really Nice Head Unit

I ordered the JVC KW-AVX840 last Thursday from Sonic Electronic and received it the next day. This is the fastest delivery that I ever seen.... Thanks Sonic Electronics!!!

Regarding the JVC KW-AVX840... I had it professionally installed at Best Buy... The head unit itself is really good... I like the screen size and the image quality. The sound quality is awesome!!! Much better than the stock radio... The touch panel is really responsive... I do not see any lags at all... I like all the functions on this HU. The only issue that I'm having is as follow:

I was not able to get any video and sound to display through my wife's iphone 4 (using JVC KS-U30 cable)... I than tried setting "AUDIO INPUT" to "A/V IN" and "VIDEO INPUT" to Ipod... This allowed me to display both video with sound... But this only worked when I used the "External Mode" after using Motion X software... I have to close out Motion X software first and than go to play video. It will not work if I don't use Motion X software first or if I have my Car engine turned on (with emergency break on). I even tried rebooting my iphone 4 and turning the car engine on and off... I think this is a really strange behavior.

I also have Voice Command issue... I also tried using my Android phone and it still have the same issue. It does not pick up the correct voice command... If I say: "Call Art Cell" it will dial a different number. I see this issue on my wife's Iphone 4 and my Android cellphone. If I use the voice commands on both phones by them self.. it works just fine... It was able to pickup voice command correctly. But if I tried it again using the microphone provided by the JVC head unit, it will not pickup the correct voice command.

I also had a backup camera installed onto this HU... it works perfectly!!!

I bought this HU for the bluebooth hand free calling and music streaming, and the ability to connect a backup camera...

I really think this is a good HU... But I wish that it would be easier to setup... It took me three days to figure out how to get video and sound to display correctly using my wife's iphone 4. I also wish that the "Voice command" can pickup the correct commands...

By Arthur on September 6, 2011

17

found this helpful.

lot of options for the price.

I have only had the unit for 1 week, but so far it has exceeded my expectations. It was an upgrade from the factory radio in my tundra. I left the OME speakers and added a sub and amp and wow, what a difference. I like the detectable face and the touch screen works great. The menus are easy to navigate and the blue tooth works great with my Android phone... audio and phone. The ability to adjust the background colors is neat as well. I only wish it would allow you to watch the eq bounce. I recommend this unit for the price.

By bare on August 4, 2011

18

found this helpful.

awsome product but the bluetooth is aggrivating at the least

This head unit is sweet for the money. I have no regrets in buying it. The only issue is the bluetooth for some reason doesnt work all the time. If i make a call from my phone (not the head unit itself) the head unit wont read the call. It will still Bluetooth the call but no display will come up. On top of that i use my phone for all of my music. The Bluetooth is awsome when it wants to work. The phone will be connected but no sound coming out of the speakers. So i have to disconect then reconect. Sometimes i have to shut the car off completly to get my Bluetooth connection again. I'm going to take this up with JVC to see what the problem is. Other then that, this thing is sick. 99% happy with this unit.

By Brandon on November 8, 2011

12

found this helpful.

KW-AVX840

Works, sounds very good. Easy to use.

By Don on November 12, 2011

10

found this helpful.

Liked better its predecessor

I bought this one to replace a stolen AVX 740. Although it is a great unit. I don't like the fact that you can't turn it off (there's no on off switch, anywhere).

As I have a sub and an amplifier which receive on signal from it, there's no way to turn them off unless you take front panel off this unit. So if I only want to keep it there for backup camera use, I have to keep my amps on, which I don't like.

By Luis on January 5, 2012

10

found this helpful.

AmaIng qulaity

The jvc-kw-abc is the perfect for my car, the sound is great and bright is all together on the road. The only side of it I did not like was the setup .

By Anonymous on September 26, 2018

1

found this helpful.

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