Chat
Contact us
Close contact box
Connect ID #
423 765 387 4
Connect ID #
423 765 387 4
Don't wait on hold. We'll call you back when it's your turn to talk with the next available .
Please enter your name  
Please enter your phone number  
Please enter a message  

Calls may be recorded for training and quality control purposes.

We are located in Virginia USA.

Thank you. We will be calling you .
We're sorry. We have encountered a problem.

JVC KD-X31MBS Digital media receiver for Jeep, powersports, or marine applications (does not play CDs)

Item # 105KDX31MB

If you've reached the point where those old CDs seem like unwanted ballast, it's time to ditch the discs and go...

Find what Fits your vehicle

Remove

Checking fit...

If you've reached the point where those old CDs seem like unwanted ballast, it's time to ditch the discs and go...

12 questions - 24 answers

Item # 105KDX31MB

About the JVC KD-X31MBS

Jon Paul

A digital dynamo for your Jeep, ATV, or boat

If you've reached the point where those old CDs seem like unwanted ballast, it's time to ditch the discs and go digital. JVC's KD-X31MBS digital media receiver offers an impressive array of features, including built-in Bluetooth®, and the "short body" design will fit neatly in almost any boat, Jeep, or ATV. You'll find plenty of connections for all your devices, and you'll have lots of options when you want to expand your system. As an added bonus, the reverse display cuts through glare and makes this receiver ideal for convertibles and open-top off-road vehicles.

A digital dynamo for your Jeep, ATV, or boat

If you've reached the point where those old CDs seem like unwanted ballast, it's time to ditch the discs and go digital. JVC's KD-X31MBS digital media receiver offers an impressive array of features, including built-in Bluetooth®, and the "short body" design will fit neatly in almost any boat, Jeep, or ATV. You'll find plenty of connections for all your devices, and you'll have lots of options when you want to expand your system. As an added bonus, the reverse display cuts through glare and makes this receiver ideal for convertibles and open-top off-road vehicles.

JVC KD-X31MBS

The JVC KD-X31MBS has a "short body" design that fits almost any boat, Jeep, or ATV.

Ready for your iPhone®

Plug your iPod® or iPhone into the front USB port and enjoy complete control, not to mention faster charging. This JVC's built-in iPod controls let you access your playlists intuitively.

If you're a Pandora® or iHeartRadio user, you can connect your iPhone® and access basic functions like "play," "pause," "thumbs-up," and "thumbs-down" with the receiver's controls.

For added convenience, the 2-way control feature lets you pick your music using the receiver or the phone itself. If your phone is equipped with Siri® Eyes Free technology, anything you can do with Siri can be done with the KD-X31MBS.

Great for Android phones, too

With the JVC Music Control app, you can get more from your music when you connect your Android smartphone (select operating systems only) via USB. You can list and search stored MP3 music by artist or album, or let the app analyze your songs and create a playlist that suits your mood.

Do more with your USB connection

The powerful 1A USB port lets you keep a smartphone charged while it's performing many battery-draining tasks at once. With your smartphone connected, you can use Drive Change Mode to listen to your phone's internal memory as one source and access its little microSD card as another. Drive Change also lets you switch between multiple memory cards in a USB multi-card reader or multiple USB thumbdrives connected to a USB hub. The KD-X31MBS plays MP3, WMA, WAV, and FLAC files, and they'll all sound great, thanks to the 24-bit digital audio converter (DAC).

Easily expand your system

If you're planning to expand your audio system in the future, the KD-X31MBS includes rear 2.5-volt preamp outputs that you can switch over to subwoofer mode. In addition to Bluetooth and a host of inputs, you can also connect the SiriusXM satellite radio tuner (not included), so you can enjoy music, news, sports, and more, even when you're many miles offshore.

Made for marine and outdoor use

A marine-rated receiver has to do more than just look good and sound great. It also has to stand up to salt, spray, sunlight, and rough weather. JVC designed the KD-X31MBS to withstand the rigors of outdoor life, with a conformal-coated circuit board and an anti-rust coating that help prevent moisture from causing damage. These no-nonsense features keep the music playing, so you can relax and enjoy yourself, whether you're out on the water or out in the woods.

Want to keep your car's steering wheel audio controls?

In most cars, you'll need an adapter to retain those controls with this car stereo. Connect a few wires, then program the adapter for your particular car and radio, and you'll retain the convenience of your steering wheel controls. You'll see the adapters that work with your vehicle when you add this receiver to your cart.

Bluetooth note: Use of this receiver's Bluetooth features will depend upon your phone's Bluetooth capabilities. Learn more in our article explaining Bluetooth profiles.

iPod/smartphone note: If you're going to use your iPod or smartphone with this receiver, be sure to check "Details" for compatibility information.

READ LESS

Product highlights:

    General Features:
    • marine digital media receiver with AM/FM tuner (does not play CDs)
    • built-in MOSFET amplifier (22 watts RMS/50 peak x 4 channels)
    • built-in Bluetooth
    • detachable face with single-line display and blue illumination
    • short-body design is only 4-1/4" deep
    • conformal coated circuit board for water resistance
    • Drive Change Mode for mass storage devices
    • separated brightness control for LCD and button illumination
    • auto dimmer
    Smartphone Features
    • USB 1A connection charges devices quicker
    • works with Siri Eyes Free technology
    • built-in iPod control; 2-way iPod/iPhone control
    • control PANDORA® and iHeart Radio from your iPhone
    Audio Features:
    • MP3/WMA/WAV/FLAC compatible
    • low-pass filters
    • Easy EQ with 12 presets and 3-band parametric equalizer
    Expandability:
    • inputs: front USB 1A port, front auxiliary input
    • outputs: 2-channel preamp outputs (2.5-volt rear/sub)
    • can access multiple memory cards in multi-card reader or multiple USB thumbdrives in USB hub
    • compatible with SiriusXM satellite radio tuner
    • compatible with optional wired remotes
    Other Features and Specs:
    • ideal for Jeeps, boats, motorcycles, ATVs, UTVs, golf carts, and more
    • compatible with most factory steering wheel audio controls (adapter required)
    • warranty: 1 year
    • MFR # KD-X31MBS

    What's in the box:

    • Marine digital media receiver (10A fuse)
    • Face (attached)
    • Sleeve (installed)
    • Trim ring (installed)
    • Wiring harness
    • Microphone with integrated bracket (attached 10' cable terminated by a right-angle male 3.5mm connector)
    • 2 Radio removal tools
    • Face-fixing screw
    • Instruction Manual (En/Fr/Sp)
    • Warranty Information
    • "Caution!" note (attached to wiring harness)
    • Face-fixing screw note

    Featured video:

    Customer reviews for JVC KD-X31MBS

    Loading reviews...

    Average review:

    4.5 out of 5 stars
    48 reviews

    Thanks for submitting your review

    Filter by rating

    Customer photos

    Customer provided image, click to load a larger version.
    Customer provided image, click to load a larger version.

    Sort reviews

    Sort by:
    Items per page:
    View page:

    Verified customer (What's this?)
    Verified employee review (What's this?)

    Reviewed on Samsung.com

    This review was collected as part of a promotion

    Pros:

    Cons:

    Crutchfield response
    Customer provided image, click to load a larger version.
    << >>

    More details on the JVC KD-X31MBS

    Stacey B.

    Features & specs

    Expandability
    AUX Input Front
    Audio/video Input ---
    USB Input Front
    USB Port Power ---
    Backup Camera Input No
    Second Camera Input No
    CarPlay No
    Android Auto No
    Siri Control Bluetooth
    Alexa Voice Control
    Android Control Yes
    Memory Card Slot USB memory
    Bluetooth Compatible Built-in
    Satellite Radio Ready SiriusXM
    HD Radio No
    Navigation ---
    iPod Compatibility
    Full size Classic/5Gen
    Nano 7/6/5/4/3/2/1
    Touch 5/4/3/2/1
    iPhone 5S/5C/5/4S/4/3GS/3G/2G
    General
    RMS Power (CTA-2006) N/A
    RMS Power (Manufacturer) ---
    Peak Output 50 watts
    RMS Power Bandwidth 20-20kHz
    Preamp Outputs 2-channel
    Sub Preamp Outputs No
    Switchable Rear Preamp Outputs Yes
    Video Screen No
    Navigation App Compatible (iOS)
    Navigation App Compatible (Android)
    Preamp Voltage 2.5 volts
    Screen Size ---
    Screen Type ---
    Display Color White
    Key Button Color Blue
    EQ Bands 3
    Wireless Remote No
    Steering Wheel Control Compatible Adapter required
    Parts Warranty 1 Year
    Labor Warranty 1 Year
    Tuner
    FM Sensitivity 8.2 dBf
    European Tuning Yes
    Seek/Scan Seek
    Radio Data System Yes
    File Playback
    Music File Playback MP3, WMA, WAV, FLAC
    High-res Playback N

    Product Research

    Marine & Display Features
    Built-in Bluetooth
    USB/Aux Connectivity
    Smartphone Integration
    AM/FM + Internet + SiriusXM Radio
    Audio Section
    Remote Control
    Marine & Display Features

    Marine Rated: The JVC KD-X31MBS is a marine motor-sports digital media receiver which employs an antirust coating to protect the unit from the harsh marine environment. The conformal coating makes it optimal for outdoor applications such as ATV/UTVs, motorcycles, and boats. Even though the conformal coating makes the receiver water-resistant, it is still recommended that it be used with a universal marine cover such as the Metra (120999005B, sold separately) or Scosche (142ACM1, sold separately).

    Note: Do not install the unit in a spot exposed to direct sunlight or excessive heat or humidity. Also avoid places with too much dust or the possibility of water splashing.

    Detachable Face: The JVC KD-X31MBS features a detachable face to deter theft. No face-case is provided. An optional soft face case (142DFC1X, sold separately) can be purchased for this unit. A face-fixing screw is supplied for making the face non-detachable, if desired.

    Single-Line LCD w/ Fixed Illumination: The head unit features a 11-segment, one-line LCD with white back-lit text and blue button illumination (fixed). Adjustable brightness and dimmer settings are available for the LCD and button illumination.

    • Brightness: The unit offers a daytime and nighttime brightness settings for the LCD and button illumination. You can adjust the brightness level of each manually from 0-31.
    • Dimmer: The unit's dimmer control can be set automatically or manually; select "Off" for daytime brightness setting, "On" for nighttime brightness setting, or "Auto" which switches between day and nighttime brightness setting automatically when you turn off/on the headlights (orange/white wire of harness must be connected to headlamp circuit).

    Day & Time: The unit displays a 12-or 24-hour clock, as well as the day (Sun/Mon/Tue/Wed/Thu/Fri/Sat). The day & time can be selected to remain on, even if the head unit is switched off (as long as the vehicle's key is in the accessory or start position).

    Demo Mode: This unit features a Demo mode which can be turned On or Off within the menu.

    Built-in Bluetooth

    Bluetooth Technology: The JVC KD-X31MBS is equipped with built-in Bluetooth (version 2.1+EDR), allowing you to make and receive phone calls wirelessly through the receiver; as well as stream music wirelessly from your smartphone to the head unit. In order to use Bluetooth wireless technology, your phone must also be Bluetooth compatible and be able to interpret certain profiles. This unit is compatible with the following Bluetooth Profiles:

    • Hands-Free Communication: HFP 1.5 (Hands Free Profile), OPP 1.1 (Object Push Profile), PBAB 1.0 (Phone Book Access Profile).
    • Audio Streaming: A2DP 1.2 (Advanced Audio Distribution Profile), AVRCP 1.3 (Audio/Video Remote Control Profile).
    Note: Due to the differences in Bluetooth technology, some Bluetooth enabled devices may be incompatible, function improperly, or may not support all features when used with the JVC KD-X31MBS. See JVC's Bluetooth compatibility chart for a complete list of compatible Bluetooth enabled devices.

    Secure Simple Pairing (SSP): With Secure Simple Pairing (SSP), you can easily pair a Bluetooth enabled phone to the JVC KD-X31MBS without having to enter pin codes or go through complicated settings. When a paired Bluetooth device is in close proximity to the receiver, the auto connection function automatically pairs the two units. You can pair up to five Bluetooth-enabled devices to the JVC  head unit with a maximum of two Bluetooth phones and one Bluetooth audio player connected at one time (but only one can be used at a time).

    Bluetooth Hands-Free Communication: The head unit supports Bluetooth hands-free communication for your Bluetooth enabled mobile phone. The controls of the KD-X31MBS can be used to dial a number, answer an in-coming call, or end a call. The unit also includes an external microphone (with mounting bracket) featuring adjustable gain, so you can carry on your side of the conversation while listening to the caller through your vehicles speakers. During a conversation, you can switch between the Private Mode (talking directly on your cell phone) and the Hands Free Mode.

    • Answering A Call: When a call comes in, a ring-tone will be heard through your vehicle's speaker and the caller's name or phone number will be displayed. You can answer the call from the head unit's front-panel controls, or setup the head unit to automatically answer the incoming call immediately or after 1-30 seconds. The KD-X31MBS also supports the Call Waiting function, so you can answer another incoming call while suspending the current call you are on. Your compatible cell-phone must also support this feature.
    • Dialing A Number: Using the KD-X31MBS, you can dial a phone number in one of the following ways:
      • Entering a Phone Number: Allows you to directly dial a phone number up to 32 digits from the head unit's front-panel rotary dial.
      • Speed Dialing: You can store up to 6 contacts in the memory of this unit for speed dialing.
      • Phone Book: You can dial by using the downloaded phone book. You can download phone book data from your cell phone to the KD-X31MBS.You can search through your contacts alphabetically (A-Z) or numerically (0-9). Up to 400 numbers can be stored for each registered cell phone.
      • Call Log: The Call Log is a list of calls that have originated from and were received by this unit that you can dial. You can select Outgoing, Incoming, or Missed calls (up to 50 each).
      • Voice Dialing: If your mobile phone supports voice recognition, then you can dial out by voice command. Simply speak into the included microphone. 
    Note: The external wired microphone offers improved audio quality versus an integrated microphone, so you can be heard easier over noisy traffic and road noise. You can adjust the volume level and noise cancellation of the microphone without affecting the other sources. The external microphone features an attached 10' cable terminated by a right-angle 3.5mm connector which plugs into the mic input on the rear-panel of the head unit. The microphone offers an integrated mounting bracket which can be clipped to your vehicle's sun-visor or taped to your dash. The external microphone measures 0.525" (diameter) x 1.505" (depth).

    SMS: If your Bluetooth enabled mobile phone is compatible with SMS (Short Message Service), the JVC head unit will notify you when a message has been received. You must then use your phone to check the message. You cannot read, edit, or send a message through this unit.

    Wireless Audio Streaming (w/ Metadata Display): The JVC KD-X31MBS also supports wireless audio playback (AD2P) and control (AVRCP) of a Bluetooth enabled audio player or smartphone. The KD-X31MBS will be able to control basic playback functions of your Bluetooth device's stored music; such as Play/Pause, Skip Next/Previous, Fast Forward/Rewind and Random/Repeat. The head unit will also display your stored music's song information; such as Artist name and Song/Album title. The KD-X31MBS also supports audio streaming of music apps downloaded on your smartphone with metadata display and limited control. Advanced music control of your music apps will still need be done via your Bluetooth-enabled smartphone. When an incoming call or outgoing call is in progress from your Bluetooth enabled mobile phone, audio streaming will be paused so you can take your call. Once the call is finished, your streaming music will resume.

    Siri Eyes Free Control: When paired and connected with an iPhone 4S or 5/5C/5S via Bluetooth (not USB), the JVC KD-X31MBS has the ability to access Siri through its front-panel control and external microphone. Simply press the "phone command" button on the KD-X31MBS to engage Siri and use the included microphone to communicate with Siri. Siri's voice will heard through your vehicle's speakers. All Siri functions including hands-free calling, music search, setting reminders, text-messaging, audible navigation, and more can be done through the head unit and its microphone. The head unit will only display hands-free calling and Bluetooth audio information (all other functions of Siri are only audible through the KD-X31MBS; visual data will still need to be viewed from your iPhone device).

    Note: You can ask Siri to get directions to a destination and the turn-by-turn instructions will heard through your vehicle's speakers, while the on-screen map still displays on your iPhone 4S/5/5C/5S. The head unit's audio is attenuated while Siri provides audible directions.
    USB/Aux Connectivity

    USB Port: The JVC KD-X31MBS features a front-panel USB 2.0 type-A port (behind a sliding cover) connection and control of a portable USB mass-storage class (MSC) device; such as select Android smartphones (Froyo/Gingerbread OS only), portable digital audio players, or USB thumbdrives. The USB port enables audio playback and control of MP3, WMA, WAV, and FLAC audio files stored on portable USB mass-storage class devices.

    Note: When a mass-storage class (MSC) compatible smartphone is connected to the head unit's USB input, you can select its internal memory or external memory (such as a SD-card) for stored music playback.

    Compressed Music Files: The JVC KD-X31MBS supports the following types of MP3, WMA, WAV, and FLAC music files loaded onto a compatible USB mass storage class device.

    Media Type Description
    File System FAT 12/16/32
    Playable File Types MP3: bit rate of 8-320kbps w/ sampling rate of 8-48kHz
     WMA: bit rate of 32-192kbps w/ sampling rate of 8-48kHz
    WAV: bit rate of 16-bit w/ sampling rate of 44.1 kHz
    FLAC: bit rate of 16-bit w/ sampling rate of 8-48 kHz
    Maximum # of Folders/Files 999 folders/20,480 files (999 files per folder)
    Tags ID3 tag (version 1.0/1.1/2.2/2.3/2.4), WMA tag

    Track/Folder List: The Track/Folder List displays a list of MP3/WMA folders and tracks on a connected USB memory device, so you can easily access your music.

    Playback Modes: In addition to Normal playback, you can select from Repeat and Random playback modes.

    • Repeat: Track Repeat (plays the current track repeatedly), Folder Repeat (plays all tracks of the current folder repeatedly), Off (cancels repeat function)
    • Random: Folder Random (plays all tracks of the current folder, then the tracks of the next folder in random), All Random (plays all tracks of the current USD device at random), Off (cancels random function)

    Resume: If you change the source, playback also stops, without ejecting the USB device. Next time you select USB for the playback source, the player will start from where it has been stopped previously.

    USB Charging: USB portable audio devices that can be charged via USB will be charged when plugged into the receiver's USB port (5V/1A), and the vehicle's ignition switch is set to ACC or On. 

    JVC Playlist Creator Compatible: JVC Playlist Creator is a free Windows-based desktop software that helps organize, manage and transfer MP3/WMA music files to your USB (MSC) device from your PC. When you playback audio files that have been stored on your USB (MSC) device using JVC Playlist Creator through the KD-X31MBS, you can search a file by song title, album name, artist name, or genre using the head unit's Quick Search function. The JVC Playlist Creator is a Windows-based software that can be downloaded for free from JVC's website to your PC. The JVC Playlist Creator is compatible with the following Windows Microsoft Operating Systems.

    • Windows XP Professional, Home Edition SP2 or later (32-bit)
    • Windows Vista (32/64-bit)
    • Windows 7 (32/64-bit)
    Note: Not compatible with Apple iPod/iPhone/iPad, Zune, or Android

    Front-Panel Auxiliary Input: A front-panel stereo minijack is provided to allow the connection of almost any portable audio source with a 3.5mm headphone output (great for those non-Apple/Android devices). Simply connect your portable digital music player to the unit's front-panel auxiliary input, and you can listen to the audio from the portable player through the speakers in your mobile audio system. The unit's front-panel auxiliary input can be turned On or Off.

    Smartphone Integration

    Android Compatible: The JVC KD-X31MBS supports USB-connection and playback of Android smartphones with Froyo or Gingerbread operating systems installed.

    • JVC Music Control: By connecting the JVC receiver via USB to an Android smartphone (Froyo/Gingerbread OS only) that has the free JVC Music Control app installed, it allows you to list and search your MP3 music stored on the smartphone from the receiver by artist name or album name. The JVC Music Control app also analyzes all of your songs that are in your Android smartphone, and creates a playlist according to your mood. Once the application has completed the analysis of the songs, simply select your current mood, and this application will generate a list of songs that best fits your mood. Your compatible Android smartphone must be recognized as a USB mass storage class device; not compatible with MTP protocol.
    • Drive Change Mode: When an Android smartphone is connected to the USB input terminal, you can select its internal memory or external memory (such as an microSD card) to playback the songs stored on the phone or on the memory card. This feature is also compatible with other USB mass storage class compliant smartphones, such as Blackberry. You can also change drives (up to 5) on multi-drive devices, such as multi-card readers and USB hubs.

    iPod/iPhone Connectivity w/ DAC Bypass: The JVC KD-X31MBS's front-panel USB port can acts as an iPod/iPhone high-speed direct connection when used with the Lightning or Dock cable that came with your iPod/iPhone. The USB connection allows your iPod/iPhone's stored music and music apps to be loaded instantly to the head unit and sound quality to be maximized through the head unit's 24-bit D/A converter, allowing for a Signal to Noise ratio up to 105dB. The KD-X31MBS's USB connection also offers music navigation, information display, and charging of select iPod/iPhone models from the JVC in-dash head unit. You can choose to operate your iPod/iPhone through the JVC head unit's front-panel controls or from your Apple device's clickwheel/touchscreen.

    • Head Unit Mode: From the head unit's front-panel controls you can search for stored music by Playlist, Artist, Album, Song, Podcast, Genre, and Composer. The contents of a Playlist or Category can be searched alphabetically (A-Z) or numerically (0-9). The KD-X31MBS also supports Repeat (file/all) and Random (album/all) playback functions of your iPod/iPhone. You'll also be able to control basic playback functions (such as Play/Pause, Previous/Next Track) from select music apps streamed to your iPhone. During Head Unit Mode, the KD-X31MBS will display your iPod/iPhone's music file information; such as Track number, Elapsed playing time, Artist name, Song title, and Album label. Newer iPod/iPhones with iOS 6.0+ allow you to continue to access your Apple device's touchscreen in this mode in order to access other applications; older iPod/iPhone devices will be locked during connection.
    • iPod/iPhone Mode: The iPod/iPhone Mode lets you control your older iPod/iPhone (iOS 5.1.1 and earlier) from its clickwheel or touchscreen. You'll still have access to basic playback controls (like Play/Pause & Previous/Next Track) from the head unit, but advanced navigation functions will be locked. No song/artist information is displayed in this mode. The unit will simply display "iPhone Mode".
    Note: The head unit's USB connection provides 1A of current to power and charge your connected iPod/iPhone when your vehicle's ignition switch is set to the 'ACC' or 'On' position. This unit does not charge the iPad. If your iPod/iPhone has no initial battery charge, then the unit will not recognize it.

    iPod Compatibility Chart: The JVC KD-X31MBS is "Made for iPod/iPhone" compatible and supports the following iPod/iPhone model features (as of 3/5/2014):

    Apple Device Generation Tested Version Media Type Control Type Specific Apps Display Type Bluetooth Charge
    Audio Video Head Unit iPod/App Pandora app iHeart Link Artist/Song Text Track Info Phone Audio Siri
    iPhone 2G 3.1.3 Y N Y Y N N Y Y Y N N Y
    3G 4.2.1 Y N Y Y N N Y Y Y Y N Y
    3GS 5.1.1 Y N Y Y Y Y Y Y Y Y N Y
    4 7.0.6 Y N Y Y Y Y Y Y Y Y N Y
    4S 7.0.6 Y N Y Y Y Y Y Y Y Y Y Y
    5 7.0.6 Y N Y Y Y Y Y Y Y Y Y Y
    5C 7.0.6 Y N Y Y Y Y Y Y Y Y Y Y
    5S 7.0.6 Y N Y Y Y Y Y Y Y Y Y Y
    touch 1st 2.2.1 Y N Y Y N N Y Y N N N Y
    2nd 4.2.1 Y N Y Y N N Y Y N Y N Y
    3rd 5.1.1 Y N Y Y N N Y Y N Y N Y
    4th 6.1.2 Y N Y Y N N Y Y N Y N Y
    5th 7.0.6 Y N Y Y N N Y Y N Y N Y
    nano 1st 1.3.1 Y N Y N N N Y Y N N N Y
    2nd 1.1.3 Y N Y Y N N Y Y N N N Y
    3rd 1.1.3 Y N Y Y N N Y Y N N N Y
    4th 1.0.4 Y N Y Y N N Y Y N N N Y
    5th 1.0.2 Y N Y Y N N Y Y N N N Y
    6th 1.2 PC Y N Y Y N N Y Y N N N Y
    7th 1.02 PC Y N Y Y N N Y Y N Y N Y
    classic 80GB 1.1.2 Y N Y Y N N Y Y N N N Y
    120GB 2.0.1 Y N Y Y N N Y Y N N N Y
    160GB 2.0.4 Y N Y Y N N Y Y N N N Y
    video 5th 1.3 Y N Y N N N Y Y N N N Y
    iPad 1 5.1.1 Y N Y Y Y Y Y Y N Y N N
    2 7.0.6 Y N Y Y Y Y Y Y N Y N N
    3 7.0.6 Y N Y Y Y Y Y Y N Y N N
    4 7.0.6 Y N Y Y Y Y Y Y N Y Y N
    mini 7.0.6 Y N Y Y Y Y Y Y N Y Y Y
    air 7.0.6 Y N Y Y Y Y Y Y N Y Y N
    Note: Apple iPod/iPhone software updates may change functionality results. If you download a newer software version, you may need to reset the head unit and your iPod/iPhone to regain functionality. If this doesn't work, you may need to wait until a newer software update is available.
    AM/FM + Internet + SiriusXM Radio

    RDS AM/FM Tuner : The JVC KD-X31MBS features a built-in AM/FM tuner with manual, seek, and preset tuning.

    • RDS: The Radio Data System (RDS) feature displays radio broadcast information such as artist, title, and album when listening to compatible AM/FM stations.
    • Presets: You can store a total of 18 FM stations presets and 6 AM station presets (manually or automatically). 
    • Radio Timer: The head unit's Radio Timer features lets you tune into a preset station at a specific time regardless of the head unit's current source (you can activate the Radio Timer once, daily, or turn it completely off).
    • Mono Switch: If an analog FM stereo broadcast is hard to receive, you can manually switch the tuner to Mono operation. 
    • IF Filter: You can also switch the tuner's IF filter to Wide or Auto to increase/decrease the sensitivity.
    Note: You can set the built-in AM/FM tuner to US standard or European tuning.

    Internet Radio Apps: The JVC KD-X31MBS allows you to access Pandora and iHeartRadio online music services through your USB-connected iPhone or Bluetooth-connected Android/Blackberry smartphone. Your Apple iPhone must be connected to the KD-X31MBS via the 30-pin or Lightning cable supplied with your iPhone. Your Android or Blackberry smartphone must support A2DP/ AVRCP/SPP Bluetooth profiles and be paired with the JVC KD-X31MBS. Your iPhone, Android smartphone, or Blackberry device will need an active Data Plan account with connection to the Internet via 3G, EDGE, or WiFi.

    • Pandora App (for iPhone/Android/Blackberry): The free Pandora App (either from iTunes Apps, Google Play, or BlackBerry App World) lets you play music from the Pandora music service through the JVC KD-X31MBS using your USB-connected Apple iPhone (iOS 5.0+) or Bluetooth paired Android/Blackberry smartphone. The JVC KD-X31MBS provides control over the Pandora music service and displays Artist, Album, and Song information. You can select Pandora stations from your station list and sort them by date or alphabetically (A-Z). New stations can be created based on the current songs or artists playing. You can also skip song tracks within a station. You can even give songs a thumbs up/thumbs down and bookmark them on your Pandora account. An active Pandora account is required.
    • iHeartRadio Link (for iPhone/Android): The free iHeartRadio Link app for JVC (either from iTunes Apps or Google Play) lets you play music from the iHeartRadio music service through the JVC KD-X31MBS using your USB-connected Apple iPhone (iOS 5.0+), or Bluetooth paired Android smartphone (2.2+). The iHeartRadio music service provides access to more than 1,500 live radio stations from coast-to-coast (including pop, country, urban, rock, talk, and sports). The KD-X31MBS will provide control over the iHeartRadio Link app, as well as display station identification and song/artist information. From the head unit's front-panel controls, iHeartRadio stations can be searched by the following categories (Local, Genre, City, or My Stations). The Local selection provides a list of radio stations in your local listening area. The unit also provides over 22 Genres to choose from (including pop, country, hip-hop, jazz, etc.) to help you find the right radio station for you. In addition, you can search for radio stations by City. Cities can be searched alphabetically (A-Z). You can even store your favorite stations (My Stations) for easier, quicker access. An active iHeartRadio account is required.
    Note: Access to these Internet Radio services will depend on the availability of a cellular and/or WiFi network for purposes of allowing your iPhone or Android/Blackberry smartphone to connect to the Internet. Not supported in Canada and only available in the United States.

    SiriusXM Ready: The JVC KD-X31MBS comes ready for SiriusXM programming with access to XM & Sirius Satellite Radio stations. Thanks to its proprietary SiriusXM Connect port, you can add the optional SXV200V1 SiriusXM Connect tuner and receive more than 130 channels of exclusive programming directly from SiriusXM, via the "SiriusXM All Access" package (subscription required). Visit SiriusXM.com for a complete list of subscription options & channel guide. Additional features of the SXV200V1 SiriusXM Connect tuner include:

    • Channel List w/ Category Search: The Channel list displays a list of all available channels. You can also search and list channels in specific categories.
    • Song/Artist Information: Displayed Information such as Channel Name, Artist Name, & Song Title can be viewed on the head unit's LCD.
    • Presets w/ Smart Favorites: Up to 18 SiriusXM Satellite Radio station presets. 6 of your 18 presets can be assigned as Smart Favorites for Instantly Replay functionality.
    • Replay w/ Smart Favorites: Supports the SiriusXM Instant Replay function, so you can pause, rewind, and replay up to 30 minutes of live content. Your 6 Smart Favorite stations will  also automatically be buffered in the background, so when you select one of your Smart Favorite channels, you'll be able to rewind and replay the last 30 minutes of content.
    • Parental Control: Channels containing unsuitable content for children can be blocked.

    Note: A separate SiriusXM Satellite Radio subscription is required (operates on the XM Network). However, you can easily add this SiriusXM tuner to an existing Sirius or XM account for a Multi-Radio Discount Plan.

    Audio Section

    24 Bit D/A Converter: The JVC KD-X31MBS utilizes a 24-bit digital to analog converter for superior sound quality.

    MOSFET Amplifier: The JVC KD-X31MBS is equipped with a MOSFET amplifier. Compared to conventional power supplies, the MOSFET amplification circuit is smaller and more efficient, and it delivers increased power with less distortion and absolutely zero on/off switching noise. More power means louder and cleaner music at higher volumes because you're not pushing the limits of the amplification circuit. The power output specs for the KD-X31MBS are as follows:

    • Full Bandwidth Power: 22 watts RMS x 4 channels (at 4 ohms, 20-20kHz, 1% THD)
    • Maximum Output Power: 50 watts x 4 channels (200 total watts)
    Note: When you are using the KD-X31MBS with factory speakers (or those rated to less than 50 watts peak), the Amplifier Gain Control can limit the amount of power being sent to those speakers. When the Amp Gain Control is set to "low," the volume control ranges from 0 (minimum) to 30 (maximum). When using speakers rated higher than 50 watts peak, you can set the Amp Gain Control to "high," and the volume control will range from 0 to 50.

    2.5V/2CH Preamp Output + Sub Control: The KD-X31MBS is equipped with one pair of 2.5V preamp outputs. You can set the Rear/SW preamp outputs for connecting rear speakers (through an external amplifier) or for connecting a subwoofer (through an external amplifier). When set for rear speakers, the rear outputs operate with the unit's fader control. When set for subwoofer, the outputs are non-fading and you can set the cutoff frequency of the low-pass filter at 55Hz, 85Hz, or 120Hz. You can also adjust the head unit's subwoofer level between -8 and +8 (separate from the main volume level).

    Pro EQ: The KD-X31MBS is equipped with JVC's Pro EQ. The integrated equalizer offers 12 preset sound modes (Flat, Hard Rock, Jazz, Pop, R&B, Talk, vocal Boost, Bass Boost, Classical, Dance, User 1, or User 2) suitable for the music genre of your choice. The User modes allow you to manually adjust the head unit's 3-band parametric EQ (Frequency, Level, and Q-Factor).

    Pro EQ
    Frequency Level Q
    Bass 60, 80, 100, 200 Hz +/- 12 dB (-6 to +6) 1.0, 1.25, 1.5, 2.0
    Midrange 0.5, 1.0, 1.5, 2.5 kHz +/- 12 dB (-6 to +6) 0.75, 1.0, 1.25
    Treble 10.0, 12.5, 15.0, 17.5 kHz +/- 12 dB (-6 to +6) Fixed
    Note: You can store Pro EQ bass, middle and treble tone settings for each source (Bluetooth, AM/FM, Aux, USB, iPod, Pandora/iHeart Radio).

    Sound Enhancements: The head unit provides further sound enhancements for your car audio system.

    • Digital Track Expander: The digital Track Expander automatically enhances compressed music files and restores the original richness of the recording.
    • Bass Boost: The unit's Bass Boost enhances low bass frequencies.
    • Loud (Loudness): This feature boosts low and high frequencies to produce a well-balanced sound at a low volume level. You can set this feature to High, Low, or Off.
    • Volume Adjust: The input level of each source (other than FM) is adjustable relative to the FM radio volume, so there isn't a significant volume difference when changing sources. Each source is individually adjustable from -5 to +5.

    Key Beep: The in-dash head unit provides an audible beep to confirm button operation. This function can be turned On or Off.

    Remote Control

    Smart Music Control App (for Android): JVC's Smart Music Control App lets you view the current status and perform simple gesture or voice control of the JVC head unit from your Bluetooth-paired Android smartphone (2.3+). The Smart Music Control App uses Bluetooth to communicate between your Android smartphone and the digital media receiver. The head unit will auto connect to the Smart Music Control app when your Smartphone is in range. The Smart Music Control app is specifically designed for easy gesture control or voice command operation while driving, so driver and passenger can access information with ease from the Android Smartphone. With the Smart Music Control App, passenger and driver can check current playing song details or other car stereo information.

    • Information Display: The JVC Smart Music Control App will display the head unit's source information, such as song/artist information and station identification. In addition, it provides EQ info.
    • Gesture Control: The JVC Smart Music Control App lets you use finger gesture commands on your Android smartphone to control the playback of the JVC head unit. This type of gesture control is designed to operate the JVC head unit from your smartphone without having to look at your smartphone. Gesture control operations include Finger tap, Finger hold, Finger click, Finger swipe (right/left/up/down), and Finger curve (right/left/up/down).
    • Voice Command: The JVC Smart Music Control App also lets you operate certain head unit function by voice commands. Voice commands include - Change Source, Search for Song/Artist/Album, Previous/Next Track, Repeat/Random, or Preset Select.

    Optional Marine Wired Remote: The JVC KD-X31MBS features a wired remote input wire (blue/yellow) which allows you to connect an optional JVC marine wired remote (105RMRK62M, sold separately).

    Note: The head unit's wired remote input wire also lets you keep your vehicle's factory radio steering wheel remote controls when used with an optional steering wheel audio control adapter (sold separately).

    Loading accessories...

    Customer Q&A

    12 questions already asked

    Q
    How to pair your iphone6?
    jeff  Feb 26, 2016
    2 answers
    A
    Turn on blue tooth on phone then on the radio select the blue tooth input then add you're phone to the radio.
    gary  Feb 26, 2016
    A
    It doesn't have iOS support for radio controls
    kent  Feb 26, 2016
    Q
    does the radio come with cage to mount it in a batwing fairing for motorcycle?
    larry  Oct 07, 2015
    1 answer
    A
    I purchased this stereo for my boat... It came with all the necessary hardware. Loved It!
    david  Oct 08, 2015
    Q
    Is it possible to use the fader control (or some other setting) to move the sound *completely* off the rear speakers? For use in a cabin cruiser boat, sometimes we wouldn't want to disturb our neighbours while still listening inside the cabin (the "front" speakers).
    tillman  Oct 04, 2015
    2 answers
    A
    Yes. Use the fader to go all front or all rear. I only have two speakers so I fade all power to them. Perfect. Btw, the JVC unit is great. I've got a JBL amp as well. Great sound thru Polk speakers. It's worked well for yrs.
    hal  Oct 05, 2015
    A
    Yes.
    scott p  Oct 04, 2015
    Q
    Can I bridge one channel? (front runs two speakers, rear bridged run a sub)?
    davec  Aug 02, 2015
    1 answer
    A
    I think it would be possible, but i would use a small amp. I believe you will be much happier.
    jack  Aug 05, 2015
    Q
    Is it compatible with an iPhone 6?
    tom  Jun 09, 2015
    6 answers
    A
    I don't know but iPhone 5 s works fine.
    douglas  Jun 10, 2015
    A
    Should also mention that via usb connection it seemed to work ok with iPhone 6
    spencer  Jun 09, 2015
    A
    It works via Bluetooth with an iPhone 5 ... Should work with a 6 or any Bluetooth device that recognizes it.
    spencer  Jun 09, 2015
    A
    I use mine with an iPhone 5. I would expect it is compatible with an iPhone 6. However, I will add that the volume knob has started to go out on the unit in the past 2 weeks. The volume lowers on its own until I jiggle it. Of course, I am a few weeks over the manufacturer 12 month warranty.
    scott p  Jun 09, 2015
    A
    I used a 6 plus with it connected to Bluetooth with no issues, the iPhones uses Bluetooth like all devices, so hook it up and enjoy the sounds.
    reginald  Jun 09, 2015
    A
    Yes. I linked mine
    jeff  Jun 09, 2015
    Q
    I have this installed in my boat. How do I turn off demo mode permanently? Everytime I start the boat the unit powers on in demo mode.
    michael  May 09, 2015
    4 answers
    A
    Just took the boat out of storage today and looked at it again. Mine doesn't do that and I don't remember changing any settings. Sorry, I know that's not helpful.
    roger d.  May 15, 2015
    A
    Are you sure there is battery power to the unit continuously after it's turned off? This is needed to retain settings after powering down, assuming you deselected demo mode after powering up. Do you also lose an FM Presets? If so, this would seem to indicate a total loss of power and unit is resetting to factory defaults.
    alan d  May 11, 2015
    A
    It sounds like the unit is losing memory when turned off.Do you have the power hooked up correctly,one should go to a constant power supply and the other should be connected to power supply that is activated when ignition is on.Hope that helps.
    james  May 11, 2015
    A
    Sounds like there may not be a direct battery connection or you have not manually chosen the display you want. If you have chosen display but you loose it after key -off. Check battery connection. Ground is important also in a fiberglass boat
    michael  May 10, 2015
    Q
    how many wired remotes can be hooked up to this unit?
    jeffrey henry  May 06, 2015
    1 answer
    A
    You can not use any wired remotes on this unit. However, I pretty much only use Bluetooth and can control the radio with my phone (stop/start, volume, skip)
    jeff  May 06, 2015
    Q
    can you dim the display?
    craig  Apr 10, 2015
    2 answers
    A
    Yes in the functions menu under display your can set it to what ever brightness you would like.
    frederick  Apr 16, 2015
    A
    sorry, never tried...
    dane t  Apr 12, 2015
    Q
    My usb is formatted to Fat32, will it work for this device?
    grambo  Apr 02, 2015
    1 answer
    A
    We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question.
    kristina  Apr 05, 2015 (Staff)
    Q
    what sirius tuners are compatible?
    tony  Aug 14, 2014
    1 answer
    A
    Tony, I don't know much about SirusXM but my manual shows an expansion port for the hook-up on the rear panel. This is my second JVC digital you can't go wrong for this price!!
    michael  Aug 17, 2014
    Q
    Was thinking of purchasing this unit but want to make sure that I can run 4 speakers with it?
    lynn  Apr 02, 2014
    1 answer
    A
    You sure can. This receiver is rated for 22 watts RMS x 4.
    jeff  Apr 02, 2014 (Staff)
    Q
    is this item fully encased in the back? I am having an issue with water reaching the circuit board in my jeep and need a stereo where the internal parts are protected.
    teana  Mar 01, 2014
    2 answers
    A
    No this JVC unit will not work for you. I had it in my boat, enclosed in a glovebox, in a console with no access to water. I did not spray the unit directly, always kept the box closed and covered the boat. It lasted 1 month and JVC would not cover it because of corrosion from getting wet. I was very careful to protect this unit from water, but somehow it got wet enough to void their warranty. Not sure how they can call it a marine radio if it can't get the slightest amount of water on it. JVC was unwilling to do anything to help. Very disappointed.
    mike  Jul 20, 2015
    A
    I forwarded your question to an Advisor and they responded with the following: A marine receiver has to do more than just look good and sound great. It also has to stand up to salt, spray, sunlight, and rough weather. JVC designed the KD-X31MBS to withstand the rigors of boating life, with a conformal-coated circuit board and an anti-rust coating that help prevent moisture from causing damage. These no-nonsense features keep the music playing, so you can relax and enjoy your time on the water If you would like to discuss further you can contact an Advisor directly by phone (1-800-324-9695) or online chat.
    kristina  Mar 03, 2014 (Staff)
    SHOW MORESHOW LESS

    Loading articles...

    Compare the sound