Why does my JVC KW-R930BTS say “USB HUB IS NOT SUPPORTED”?
- MMelissa ParsonsSep 12, 2025
If your JVC Car Receiver displays “USB HUB IS NOT SUPPORTED”, it means that the unit cannot support a USB device connected via a USB hub.

Why does my JVC KW-R930BTS say “USB HUB IS NOT SUPPORTED”?
If your JVC Car Receiver displays “USB HUB IS NOT SUPPORTED”, it means that the unit cannot support a USB device connected via a USB hub.
How to fix echo or noise on my JVC KW-R930BTS Car Receiver?
If you are experiencing echo or noise with your JVC Car Receiver, adjust the microphone unit’s position. Also, check the [ECHO CANCEL] setting.
Why does my JVC Car Receiver keep “LOADING” in search mode?
If your JVC Car Receiver displays “LOADING” when you enter search mode, it means the unit is still preparing the iPod/iPhone music list. It may take some time to load, so try again later.
| CEA-2006 Compliant | Yes |
|---|---|
| Power Output | 50W x 4 |
| RMS Power Output | 22W x 4 |
| Preamp Outputs | 3 (Front, Rear, Subwoofer) |
| Subwoofer Output | Yes |
| EQ | 13-band graphic equalizer |
| Display Type | LCD |
| Bluetooth | Yes |
| USB Input | Yes |
| USB Ports | 1 |
| AUX Input | Yes |
| SiriusXM Ready | Yes |
| HD Radio | Yes |
| Pandora Control | Yes |
| Spotify Control | Yes |
| iHeartRadio Control | Yes |
| Android Music Playback | Yes |
| iPhone/iPod Compatibility | Yes |
| Remote Control | Yes |
| Steering Wheel Control Compatible | Yes |
| Radio Tuner | AM/FM |
| Color Customization | Yes |
| Compatible with Android Auto | No |
| Compatible with Apple CarPlay | No |
| CD Player | Yes |
| MP3 Playback | Yes |
| WMA Playback | Yes |
| AAC Playback | Yes |
| Rear Camera Input | Yes |
| Preamp Voltage | 4 volts |
Terms for granting a non-exclusive license to use the software.
Defines the user's right to use the software and restrictions.
Specifies terms for transferring the product and software.
Clarifies ownership of copyrights and intellectual property.
Outlines liabilities and guarantees regarding the software.
User's responsibility for disputes arising from software use.
Obligation to maintain the secrecy of software-related information.
Conditions under which the Licensor can terminate the agreement.
Requirement to destroy software upon agreement termination.
User's obligation to comply with copyright laws.
Rules governing the export of the licensed software.
Governing law, dispute resolution, and other legal matters.
Additional important information and disclaimers about the software.
Key information for proper product usage and safety.
Details and usage of the remote control unit.
Guidance on understanding the manual's structure and symbols.
Overview of the unit's front panel controls and display.
Detailed description and operation of the remote control.
Instructions to disable the product's demonstration mode.
Guide for setting the unit's internal clock and date.
Steps to configure fundamental system and source settings.
How to tune into FM or AM radio stations.
Instructions for saving radio stations to memory presets.
How to recall previously saved radio stations.
Configuration options for radio tuner and timer.
Initiating audio playback from connected sources.
List of compatible devices and connection types.
Choosing between unit control or device control for iPod/Android.
Specifying the storage device for music playback.
Setting up the app for remote control of the car receiver.
Navigating and choosing audio files by folder or alphabet.
Steps to set up the Pandora app and connect the device.
How to begin Pandora playback on the unit.
Guide for creating and saving custom Pandora stations.
Finding and selecting saved Pandora stations.
Saving song information from Pandora to your account.
Steps to set up the iHeartAuto app and connect the device.
How to begin iHeartRadio playback on the unit.
Finding and saving iHeartRadio stations.
Steps to set up the Spotify app and connect the device.
How to begin Spotify playback on the unit.
Saving songs from Spotify to your account.
Finding and selecting songs or radio stations on Spotify.
Steps to connect the SiriusXM tuner and activate subscription.
How to begin SiriusXM radio playback.
Storing and recalling SiriusXM channels.
Features for replaying paused audio content.
Managing preset channels and auto-playback features.
Removing channels from the SmartFavorites list.
Changing which channels are assigned to SmartFavorites.
Previewing missed songs from favorite channels.
Configuring various SiriusXM options like channel lock and tune start.
Setting up parental controls and locking specific channels.
Steps for pairing and connecting Bluetooth devices.
Instructions for connecting the external microphone.
Guide to establishing a Bluetooth connection with a device.
Verifying Bluetooth profile compatibility between devices.
Automatic Bluetooth pairing when connecting via USB.
Managing incoming and ongoing calls via Bluetooth.
Adjusting settings for receiving and handling calls.
Optimizing microphone and echo cancellation for better call quality.
Initiating calls via history, phonebook, dialing, or voice.
Using voice commands to make calls.
Storing and retrieving contacts for quick dialing.
Configuring connection modes, device management, and pairing.
Verifying device compatibility and connection status.
Controlling and playing music from Bluetooth audio devices.
Managing multiple connected Bluetooth audio sources.
Configuration for using the JVC Remote app with devices.
Streaming audio from iPhone/iPod over Bluetooth.
Streaming Pandora, iHeartRadio, and Spotify over Bluetooth.
Connecting and playing audio from external devices via AUX.
Choosing from various sound equalization presets.
Saving personalized EQ settings to the USER profile.
Adjusting advanced audio parameters like EQ, Bass Boost, and Loudness.
Adjusting fader, balance, amp gain, and speaker configurations.
Setting speaker delays for optimal sound staging.
Applying sound enhancements and equalization adjustments.
Connecting speakers via lineout or speaker leads.
Adjusting frequencies for speaker outputs (high/low pass filters).
Configuration details for 2-way speaker crossovers.
Configuration details for 3-way speaker crossovers.
Calculating and setting speaker delay times based on vehicle and position.
Configuring vehicle type and rear speaker location for DTA.
Setting brightness levels for different display zones.
Customizing illumination colors for display zones.
Setting custom illumination colors for day and night modes.
Instructions for cleaning the unit and handling discs.
Links to firmware updates, applications, and general notes.
Details on supported audio file formats and disc types.
Information on USB, iPod/iPhone, and Android device support.
Details on Pandora, iHeartRadio, and Spotify app compatibility.
General information and compatibility notes for Bluetooth connections.
What information is shown for each audio source and playback.
Solutions for common problems like sound or power issues.
Troubleshooting poor radio reception or static noise.
Solutions for playback, format, or device recognition errors.
Troubleshooting playback errors or device connection problems with Android.
Solutions for Pandora errors like station limits or connection problems.
Troubleshooting connection or playback errors for these apps.
Solutions for SiriusXM channel or signal errors.
Troubleshooting pairing, sound, or voice control problems with Bluetooth.
Technical details for FM and AM radio reception.
Technical details for the CD playback function.
Technical details for USB device compatibility and playback.
Technical details for Bluetooth connectivity and profiles.
Technical details for AUX input and audio output power.
Details on operating voltage, current, temperature, and weight.
Safety precautions for installation and wiring.
Components included for installing the unit.
Step-by-step guide for installing the unit into the dashboard.
Core steps for wiring and mounting the unit.
Detailed instructions for connecting the unit's wiring harness.
Connecting microphone, USB cable, and SiriusXM tuner.
Wiring amplifiers using output terminals and crossover settings.
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