Q: Where can I find the Supreme mode in the settings of the KENWOOD KDC-X592?

The Supreme mode is not accessible via the [FNC] button and the scroll knob like a traditional setting. It is activated directly through the path [MENU] > "Supreme" . Access procedure: Press the [MENU] button on your KDC-X592 Navigate through the displayed options Locate and select "Supreme" in the menu The Supreme mode is a proprietary Kenwood technology that restores high frequencies lost during low bitrate encoding, particularly useful for files compressed under 128 kbps.

Q: How to activate the Supreme mode on the KENWOOD KDC-X592?

The Supreme mode is an audio feature available on the KENWOOD KDC-X592 that uses a proprietary algorithm to restore high frequencies lost during low bitrate encoding (below 128 kbps at 44.1 kHz). This compensation adapts to each compression format (AAC, MP3, WMA). To activate the Supreme mode: Press the MENU button Select the "Supreme" option Toggle between OFF (inactive) and ON (active) Note that the Supreme effect is minimal for music encoded at high or variable bitrates. This feature is particularly useful for audio files compressed at low bitrate.

Q: How to activate and use the AUX source on the Kenwood KDC-PS9590R?

To activate the AUX source on your Kenwood KDC-PS9590R: Activating the AUX source The Kenwood KDC-PS9590R features an auxiliary input (AUX) to connect external devices (phone, MP3 player, etc.). Here’s how to use it: Press the SOURCE or SEL button (depending on the version) located on the front panel of the car radio Navigate through the available sources by turning the rotary knob or pressing the arrow keys Select AUX from the available sources (CD, Radio, AUX, Bluetooth depending on the available inputs) Ensure that your external device is properly connected to the AUX-IN jack located at the back of the car radio Note: The AUX input of the KDC-PS9590R is typically a mini RCA connection at the back of the unit. Make sure your AUX cable is properly plugged in before selecting this source in the menu.

Question 1

The KDC-MP155U radio won't turn on - what should I do?

Accepted Answer

If your KENWOOD KDC-MP155U car radio does not turn on, here are the checks to perform:

Check the power supply

Voltage: The device requires a 12 V DC power supply (acceptable range 11-16 V). Check that the vehicle's power cable is delivering the current (maximum 10 A).
Vehicle fuse: Check that the car radio fuse in the vehicle's fuse box is not blown.
Connections: Ensure that all power cables are securely connected and properly insulated.

Clean the contacts

The KDC-MP155U front panel is removable with a cleanable connector. Remove the front panel, clean the connector as well as the power contacts with a dry cloth to eliminate any dust or oxidation that could block the electrical contact.

Reset the device

Check that the DEMO mode is not activated (it should be in the OFF position). Press the source button (⏻ SRC) to check that the device responds. If nothing happens, the problem is likely related to the power supply.

If the problem persists

If after these checks the device still does not turn on, the problem is most likely electrical (vehicle wiring, fuse, weak battery, or insufficient power supply). Consult an automotive electrician or contact KENWOOD customer service.

Question 2

Where can I find the Supreme mode in the settings of the KENWOOD KDC-X592?

Accepted Answer

The Supreme mode is not accessible via the [FNC] button and the scroll knob like a traditional setting. It is activated directly through the path [MENU] > "Supreme".

Access procedure:

Press the [MENU] button on your KDC-X592
Navigate through the displayed options
Locate and select "Supreme" in the menu

The Supreme mode is a proprietary Kenwood technology that restores high frequencies lost during low bitrate encoding, particularly useful for files compressed under 128 kbps.

Question 3

How to activate the Supreme mode on the KENWOOD KDC-X592?

Accepted Answer

The Supreme mode is an audio feature available on the KENWOOD KDC-X592 that uses a proprietary algorithm to restore high frequencies lost during low bitrate encoding (below 128 kbps at 44.1 kHz). This compensation adapts to each compression format (AAC, MP3, WMA).

To activate the Supreme mode:

Press the MENU button
Select the "Supreme" option
Toggle between OFF (inactive) and ON (active)

Note that the Supreme effect is minimal for music encoded at high or variable bitrates. This feature is particularly useful for audio files compressed at low bitrate.

Question 4

How to disable demonstration mode on the KENWOOD KDC-MP208?

Accepted Answer

To disable demonstration mode on your KENWOOD KDC-MP208, follow these steps:

Press the [B.BOOST] button for at least 1 second to access the menu mode. The display shows "MENU".
Press the top or bottom of the control knob to select the "DEMO" option.
Press the center of the control knob for at least 2 seconds. With each press of 2 seconds or more, the demonstration mode toggles between "DEMO ON" (enabled) and "DEMO OFF" (disabled).
Continue pressing until the display shows "DEMO OFF" to exit demonstration mode and switch to normal mode.
Press the [B.BOOST] button to exit the menu and confirm the change.

Once demonstration mode is disabled, your car radio operates in normal mode and no longer displays automatic presentations. It is recommended to disable this mode immediately after the first use of the device.

Question 5

How to activate and use the AUX source on the Kenwood KDC-PS9590R?

Accepted Answer

To activate the AUX source on your Kenwood KDC-PS9590R:

Activating the AUX source

The Kenwood KDC-PS9590R features an auxiliary input (AUX) to connect external devices (phone, MP3 player, etc.). Here’s how to use it:

Press the SOURCE or SEL button (depending on the version) located on the front panel of the car radio
Navigate through the available sources by turning the rotary knob or pressing the arrow keys
Select AUX from the available sources (CD, Radio, AUX, Bluetooth depending on the available inputs)
Ensure that your external device is properly connected to the AUX-IN jack located at the back of the car radio

Note: The AUX input of the KDC-PS9590R is typically a mini RCA connection at the back of the unit. Make sure your AUX cable is properly plugged in before selecting this source in the menu.

Question 6

How to change and select audio sources on the KENWOOD KDCBT382U unit?

Accepted Answer

To change and select audio sources on your KENWOOD KDCBT382U car radio, press the SRC (Source) button multiple times located on the front panel of the unit. Each press cycles through the next available audio source.

The audio sources you can select include:

RADIO: FM/AM reception (FM1, FM2, FM3, and AM)
CD: built-in CD player
USB: USB devices with audio files
iPod USB: iPod or iPhone connected via USB cable
iPod BT: iPod or iPhone connected via Bluetooth
BT AUDIO: Bluetooth audio streaming from phones or players
AUX: auxiliary input for external devices
SIRIUSXM: satellite radio (with optional tuner)
ALEXA: Amazon voice assistant

You can customize the sources displayed in the selection menu. To do this, press the volume button to access the FUNCTION menu, then select [SOURCE SELECT]. From this menu, you can enable or disable individual sources according to your preferences.

For specific sources, you have additional controls:

[BT AUDIO SRC]: enable this option to display BT AUDIO in the source list
[BUILT-IN AUX]: enable this option to display AUX in the source list

Once your settings are configured, disabled sources will no longer appear when you press the SRC button. This customization allows you to quickly navigate only through the sources you actually used.

Question 7

Does the KENWOOD KDC-MP435U have Bluetooth functionality?

Accepted Answer

The KENWOOD KDC-MP435U model does not have built-in Bluetooth functionality. This means that you cannot directly connect a Bluetooth device, such as a smartphone, to listen to music or make calls through this audio system.

However, it is possible to add Bluetooth functionality by using an external Bluetooth adapter. This type of adapter typically plugs into the auxiliary (AUX) input or USB port of your car stereo. Once connected, it allows you to wirelessly stream music from your Bluetooth device to the car's audio system.

For optimal use, choose an adapter that is compatible with your car stereo and follow the installation instructions provided with the adapter.

Question 8

Why does only the GPS sound from my phone work on my KENWOOD DMX7018BTS car radio via Bluetooth?

Accepted Answer

If only the GPS sound from your phone works on your KENWOOD DMX7018BTS car radio via Bluetooth while other sounds (music, calls, notifications) do not play, the problem almost certainly stems from a poor selection or activation of the Bluetooth A2DP audio profile. Your phone is connected to the DMX7018BTS via the HFP (Hands-Free Profile), which manages calls and GPS navigation, but the A2DP (Advanced Audio Distribution Profile) that streams music and media is not activated or selected.

The KENWOOD DMX7018BTS indeed supports two distinct Bluetooth profiles: the HFP profile for telecommunications and GPS (which is why your GPS works), and the A2DP profile for stereo audio streaming. These two profiles can operate simultaneously once properly configured, but you need to ensure that your phone and the car radio are paired in A2DP.

First solution: select the Bluetooth A2DP audio source

Start by checking that you are on the Bluetooth audio source. Press the [Bluetooth] icon on the source selection screen of the DMX7018BTS. Once on this source, touch the function panel on the left side of the screen (button [BT DEVICE CHANGE]) and make sure that the device connected via the A2DP profile is selected. Some phones offer multiple Bluetooth connection modes for the same device; you must choose the audio mode (A2DP) and not just the phone mode (HFP).

Second solution: check Bluetooth settings on your phone

Go to the Bluetooth settings on your phone and check that the KENWOOD DMX7018BTS car radio appears with two activated profiles: one for hands-free (calls/GPS) and one for audio streaming (music). If only the HFP profile is checked or active, you need to activate or add the A2DP profile. To do this, you can delete the Bluetooth connection and re-pair the phone to the car radio from scratch, ensuring to confirm the pairing of all available profiles. The PIN code for the DMX7018BTS is 0000 if prompted.

Third solution: restart and re-pair the devices

Turn off your KENWOOD DMX7018BTS car radio, then turn off your phone. First, turn on the car radio, then wait 10 seconds before turning your phone back on. Go to the Bluetooth settings, delete the pairing of the DMX7018BTS, then search for and re-pair the car radio. This reset of the connection often forces the phone to reactivate all available Bluetooth profiles, including A2DP.

Additional checks

Also, ensure that the volume on your phone is not turned down to minimum and that the GPS audio source is not in silent mode only. Also, check that you are indeed playing music from a music app on your phone (Spotify, Apple Music, YouTube Music, etc.) and not another source. Finally, test with another phone to confirm that it is indeed a configuration issue and not a defect with the KENWOOD DMX7018BTS car radio.

Question 9

What should I do if the buttons on my KENWOOD KDC-138 car radio are not working?

Accepted Answer

Here’s how to diagnose and fix the buttons on your KENWOOD KDC-138 car radio.

Step 1: Check the demonstration mode
The KDC-138 is shipped with the demonstration mode enabled by default. This mode can prevent the buttons from functioning properly. To disable it, press the [B.BOOST] button for at least 1 second until you see "MENU" displayed, then navigate to "DEMO" using the control knob. Press the center of the knob for at least 2 seconds to switch to "DEMO OFF". This often resolves the issue.

Step 2: Use the reset button
If the buttons remain stuck, the KDC-138 has a reset button that restores factory settings. Locate this small button on the front panel and press it with the tip of a pen or a pin. The device will return to factory settings and should regain normal button responsiveness. Note that this operation keeps your radio presets (18 FM stations, 6 AM stations).

Step 3: Clean the buttons and check the power supply
Sometimes, dirt or dust can block the mechanical buttons. Gently clean around each button ([SRC], [VOL], [B.BOOST], [1] to [6], [AUTO]) as well as the control knob with a dry, soft cloth. Also, check that the vehicle's fuse has not blown and that the car radio's electrical connections (red power cable and black ground) are properly in place.

Step 4: Check if the front panel is securely attached
The KDC-138 has a removable anti-theft front panel. If this panel is not properly locked or is missing, the buttons may not work. Ensure that the panel is securely in place and clicked in. If it has been removed, refer to the manual for proper reinstallation.

Step 5: Check for short circuit protection
If the screen displays "PROTECT" or "DCER", it means that the protection function has been activated due to a likely short circuit in the speaker wires. Check that the wires (white, gray, green, purple) are not touching the vehicle chassis and are not incorrectly crossed. Once the electrical issue is resolved, press the reset button to reactivate the device.

If after these checks the buttons still do not work, it is likely that the issue is hardware-related (worn button membrane, faulty internal circuit). Consult an authorized KENWOOD dealer for diagnosis or repair.

Question 10

How to manually tune a station on the KENWOOD KDC-W5544U car radio?

Accepted Answer

To manually tune a station on your KENWOOD KDC-W5544U car radio, use the [AUD] button to adjust the frequency step by step.

First, turn on the car radio by pressing the [SRC] button (Power/Source Select)
Select the FM or AM band: For FM, the car radio selects this band by default. To switch to the AM band, push the [AUD] button down until you see "AM" displayed on the screen
Switch to manual tuning mode: Push the [AUD] button left or right. Each press adjusts the frequency in small increments
Find your station: Keep pushing the [AUD] button left or right until you see the desired frequency displayed. For FM, frequencies range from 87.5 to 108 MHz (increasing by a minimum of 0.1 MHz). For AM, they range from 531 to 1,611 kHz (MW band) or 153 to 281 kHz (LW band)
Confirm the station: Once the correct frequency is displayed, the car radio automatically receives the station. The "ST" symbol appears if you are receiving an FM station in stereo

You can also use the automatic SEEK function to skip from one station to another without manual adjustment. To change the search mode between automatic and manual, access the FUNCTION CONTROL menu via the [SEARCH] button and set the SEEK option according to your preference.

If you often listen to the same stations, use the Preset Tuning function to memorize up to 6 stations per band. Press the [SEARCH] button, select "AUTO MEMORY" and let the car radio memorize the 6 best stations with good reception, or use the remote control to directly enter a frequency via the [DIRECT] button and the numbered buttons.

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