KDC-X997/KDC-BT955HD/KDC-X897/KDC-BT855U/KDC-X697/KDC-655U/KMR-555U>5. DSP settings (KDC-X997, KDC-BT955HD)>5-1. Audio control

5-1. Audio control

You can adjust the audio control items.

  1. Press [SRC] and select a source other than Standby ("STANDBY") using [Control] knob.

    Refer to <Source selection>.

  2. Press [Control] knob.

    Enters the Function setting mode.

  3. Select "Audio Control" using [Control] knob.

    For how to use [Control] knob, refer to <3-3. How to select the item>.

  4. Select a audio control item using [Control] knob.



    "SubWoofer Level"

    You can set subwoofer level.

    "–15" — "0" — "+15"

    "Preset Equalizer"[1][5]

    Select from among preset equalizer curves to set the sound quality.

    "User"[2]/ "Natural"/ "Rock"/ "Pops"/ "Easy"/ "Top 40"/ "Jazz"/ "Powerful"/ "iPod"(During iPod source only)

    "Manual Equalizer""[1][5]

    Set the equalizer curve manually.

    Refer to <5-2. Manual equalizer control>.

    "Pro Setup"

    "DSP Set"

    Turn on/off the DSP function.

    "Bypass": Disables the DSP function.

    "Through": Enables the DSP function.

    "Car Type"[5]

    To get clear sound, set the sound environment according to the location and size of physically installed speakers with reference to the followings:

    <5-3. Car type selection>

    <5-4. Speaker setting>

    <5-5. X'Over setting>

    <5-6. Listening position setting>

    <5-7. Delay time control>

    <5-8. Channel level fine adjustments>

    "Speaker Setting"[5]


    "DTA Settings"[5]

    "Sound Enhancements"[5]


    Turns ON/OFF the Supreme function.

    Can be set while Audio file source of USB/CD and iPod source.

    "ON"/ "OFF"


    Compensates the low volume or bass sound being lost by road noises to make vocal sound clearer.

    "OFF"/ "Low"/ "Middle"/ "High"

    "Space Enhancer"[3][4]

    Virtually enhances the sound space using the DSP.

    "OFF"/ "Small"/ "Medium"/ "Large"

    "Sound Realizer"[4]

    Virtually makes the sound more realistic using the DSP.

    "OFF"/ "Level1"/ "Level2"/ "Level3"

    "Sound Elevation"[4]

    Virtually raises the sound field using the DSP.

    "OFF"/ "Low"/ "Middle"/ "High"

    "Volume offset"

    Sets each source's volume as a difference from the basic volume.

    "–8" — "0" (AUX: "–8"— "+8")

    "SubWoofer Mute"

    Sets the Subwoofer Mute.

    "ON"/ "OFF"

    "Audio Preset"

    You can register the values set the Audio control items.

    Refer to <5-10. DSP preset>, <5-11. DSP preset recall>.

    "Bass Boost"[5]

    Sets the Bass Boost level in 3 steps.

    "OFF"/ "Level1"/ "Level2"/ "Level3"


    Makes the sounds at high and low frequencies louder.

    "OFF"/ "Low"/ "High"


    Adjusts left/right speaker balance.

    "Left15" — "0" — "Right15"


    Adjusts front/rear speaker balance.

    "Rear15" — "0" — "Front15"

    (Colored text: Factory setting)

    [1] You can select for each source.

    [2] "User": The Equalizer curve set in the section <5-2. Manual equalizer control> is recalled.

    [3] This function is not effective for the HD Radio source.

    [4] Function of KDC-X997.

    [5] Displayed only when "DSP Set" is set to "Through".

    [6] Audio file source only

  5. Select a value using [Control] knob.

Exiting from the Function setting mode

Press and hold [1/6].

When you selected "iPod" for "Preset Equalizer"

  • When you selected "iPod" for "Preset Equalizer", next select an equalizer curve. Select a desired equalizer curve using [Control] knob from among 22 equalizer curves displayed after you selected "iPod".