Overview: The Kenwood KDC-MP642U AM/FM CD receiver features a detachable
fold-down face, rear-panel auxiliary and USB input, three pairs of 2.5-volt preamp outputs,
built-in iPod operation, Satellite and HD Radio controls (with optional tuner)
and CD-changer controls, as well as
AAC/MP3/WMA playback. The unit also supports Bluetooth via an optional adapter
sold separately. In addition, the CD player comes with an IR wireless remote
control. The unit's amplifier is rated at 22 watts x 4 channel RMS and 50 watts
x 4 channel peak.
External Device Connection
Detachable Fold-Down Face: The unit features a
fold-down, detachable face to deter theft. There is a red indicator light that
will flash on the unit after the face has been removed to warn potential
thieves. You can turn this flashing LED on or off. The CD player comes supplied with a soft black fabric, draw
string face case to protect the detachable face when you have it off the
chassis. You must manually fold the face down before inserting or ejecting a
Security Code: You can enter a
4-digit security code which must be used when the unit is removed from the
vehicle, or the constant power source is disconnected from the unit. When
constant power is restored to the unit, the security code must be entered before
the unit becomes operational.
FL Display: The KDC-MP642U
features a full-dot, multi-line FL display with spectrum analyzer and adjustable
contrast. The KDC-MP642U offers the following display and button illumination
- Type Select: Allows
you to choose between four display types.
- Type A displays 4 to 5 lines of
text (you can choose from 3 different layouts)
- Type B displays a line of text and
- Type C display a line of text and
the spectrum analyzer (you can choose between two spectrum analyzer
- Type D display the clock
- Text Select: Select
which text information displays on the headunit. You can choose up to 5
lines of text between 7 selections: Station Name, Frequency, Album Artist,
Title, Genre, Date, or Blank.
- Text/Title Scroll: The KDC-MP642U will display CD text, Audio file text and Satellite and HD radio
text. You can turn the
scrolling feature "on" to scroll longer titles across the screen.
- Illumination Effect: Sets whether the headunit's button
illumination brightness is changed in conjunction with the button operation.
- Illumination Music Sync: Sets whether the headunit's button
illumination brightness is changed in conjunction with the sound volume.
- Dimmer: The dimmer function
will dim this unit's display automatically when the vehicle light switch is
turned On when you connect orange/white Illumination wire of this player.
Display: When the unit is in Standby mode, the face/button illumination
is "keyed." In addition, while the unit is in Standby mode, you can turn the
clock display on or off. When the Clock Display is turned on and the unit is in
Standby mode, the Clock Display is also "keyed." Pressing and holding the source
button turns the unit off completely.
Dual Rotary Knobs: The KDC-MP642U features two rotary control dials
(one 3-way and one 7-way) to make playback and adjustment of your music as
simple as possible.
24 Bit D/A Converter: The
Kenwood KDC-MP642U utilizes a 24-bit digital to analog converter for superior CD
Sound Excellence DSP: In order to optimize the
sound quality, you can use the Sound Excellence DSP to set the type of
vehicle and speaker sizes, locations, distances and x-over points. The DSP
settings include the following:
- Cabin Setting: Choose from Compact, Full Size Car,
Station Wagon, Mini Van , SUV, Mini Van Long, or Off
- Speaker Setting:
- Front Location: Choose either Door, On Dash, or
- Front Size: Choose from Small, Medium, or Large
- Tweeter Size: Select either None or Use
- Rear Location: Choose between Door, Rear Deck, 2nd
Row or 3rd Row
- Rear Size: Choose from Small, Medium, Large, or
- Subwoofer Size: Select from Small, Large, or None
- Digital Time Alignment (DTA): Choose from 0.00 to 14.44
feet for the Front pair of speakers, Rear pair of speakers and Subwoofer
distances in reference to the distance between your listening positioning
and the locations of the particular speakers.
- Front High Pass Filter: Select between 40,
60, 70, 80,100, 120, 150, 180, or 220Hz at a slope of -12,
-18, or -24 dB per octave; you can also select full-range
- Rear High Pass Filter: Select between 40, 60, 70, 80, 100, 120, 150, 180,
or 220Hz at a slope of -12,
-18, or -24 dB per octave; you can also select full-range
- Subwoofer Low Pass Filter: Select between 30, 40,
50, 60, 70, 80, 90, 100, 120, 150, 180, 220, or 250 Hz at a slope of
-12, -18, or -24 dB per octave; you can also select full-range
- Subwoofer Phase: Choose either Normal or Reverse
Equalizer Control: Equalizer Control allows you to use one
of the System Q presets, or set your own custom settings for the front and back
speakers independently, using the 3-band Equalizer. The EQ adjustments are as
- Preset EQ: You can select from Natural, Rock, Pops,
Easy, Top 40, Jazz, Game, iPod, or User.
- 3-Band EQ: You can adjust the following 3-Band EQ
- Band Levels: Independent front and rear EQ level of
-9dB to +9dB.
- Quality Setting: Independent front and rear Q
setting of 0.25, 0.50, 1.00, or 2.00
- Center Frequency: Independent front and rear
frequency settings from these 4 bands:
- Band 1: 60Hz, 100Hz, 160Hz, 250Hz, or 400Hz
- Band 2: 630Hz, 1kHz, 1.6kHz, or 2.5kHz
- Band 3: 4kHz, 6.3kHz, 10kHz, or 16kHz
Position Control: For a better sound-stage you can select
your optimal listening position. According to the listening position, select the
position from the following settings (All, Front Left, Front Right or Front) so
that the normal position of the sound environment can be compensated in
accordance with the selected position.
Bass Boost: The Kenwood
KDC-MP642U features a two level Bass Boost to increase bass levels.
Highway Sound: This
features compensates the low volume or bass sound being lost by road noises to
make vocals sound clearer. You can set the Highway Sound function to 1, 2, 3, or
3-Sets of 2.5V Preamp Outputs: The KDC-MP642U features front, rear and
subwoofer 2.5V preamp outputs. The front and rear speaker preamp outputs are
balance and fade adjustable. The subwoofer preamp output is non-fading. The
front, rear and subwoofer preamp outputs are fixed to the rear chassis of the
You can independently control the
subwoofer preamp output level from the CD receiver. You select levels between
-15 to +15.
Volume Offset: The level of
each source may be independently adjusted to prevent radical leaps in output
volume when switching from one source to another. The available settings range
from -8 to 0.
Source Tone Memory:
This feature allows you to store System Q bass, middle and treble tone settings
for each source (CD, Tuner, Aux, and USB).
Dual Zone: The Dual Zone mode
allows you to output the Main source and the Auxiliary input separately for the
front and rear channels. You can select whether the auxiliary input will play in
the front or the rear.
Tel Mute: The KDC-MP642U
features a cell-phone mute wire (brown) in its harness that when hooked up to
your car's phone system mute wire will automatically mute the receiver's audio
signal when a call comes in.
CR-2 Advanced Tuner: This unit uses Kenwood's CR-2 Advanced
tuner for clear radio reception. You can choose one of three tuning modes: Auto
1 (seek tuning), Auto 2 (cycles through and tunes the selected band's preset
stations only with each button press), or Manual.
Auto Memory Tuning: Not only does the CD receiver's tuner
allow you manually enter your desired presets you can choose to have the unit
automatically put stations with good reception in the memory banks
automatically; this is a handy feature when traveling. The tuner features 3 FM
banks (1, 2, 3) and 1 AM bank. You can store 6 presets for each AM/FM bank
giving you a total of 18 FM presets and 6 AM presets.
Clean Reception System Circuit (CRSC): This circuit controls
multi-path distortion by reducing stereo separation. As stereo separation is
reduced, multi-path has less effect on the radio signal, improving reception in
areas with tall buildings and mountains. The CRSC circuit can be turned on or
Favorite Memory Control: The headunit's Favorite Control
feature allows you to save six "Favorites" for easy access. You can select a
"Favorite" playlist from your connected iPod, your favorite radio station from
the unit's AM/FM tuner or connected Satellite Radio/HD tuner (both
sold separately), or a favorite telephone number from your mobile-phone using
the optional Bluetooth hands-free kit (sold separately). This allows you to
have instant access your favorite Radio station, telephone number, or iPod
playlist from one list on the headunit's display. You can also name each
Favorite for even easier access.
AAC/MP3/WMA Playback: The KDC-MP642U can play AAC (8-320
kbps), MP3 (8-320 kbps) and WMA
(48-192 kbps) files
recorded on CD-ROM, CD-R, and CD-RW discs in ISO9660 Level 1/Level 2, Joliet,
Romeo, and Long file name formats. Each disc should have a maximum of 8
directory levels, 50 folders, and 255 files per folder with a maximum of 512
files and folders. During MP3/WMA playback, the unit displays any recorded ID3
Tag (Ver.1) information. The headunit will display up to 30 characters.
Supreme+ Setting: When MP3, WMA or AAC files encoded at a low bit rate (less than 96 kbps, 44.1k, 48kHz) are
played, the Supreme+ Setting function restores their high frequencies so the
sound quality is closer to files encoded at a high bit rate. The processing is
optimized for the compression format and the bit rate used. When the Supreme+
Setting is Off, the unit plays the original sound stored in the audio file.
Music Search: The Kenwood AM/FM CD receiver features a Music
Search feature which allows you to scroll through and select your MP3/WMA music
folders and files, as well as scroll through your audio CD's music tracks using
the headunit's rotary knob.
CD Force: When there is a
problem with playing a CD with a special format, this setting plays the CD by
force. Some CDs still may not play in the CD Force mode.
Last Position Memory: If the unit is shut off or
switched to the tuner mode while a CD is playing, the next time CD is selected
as the source, playback will resume from the point where it left off.
Off Eject: The KDC-MP642U allows you to eject your disc for 10
minutes after switching off the vehicles engine.
External Device Connection
USB Port: The Kenwood KDC-MP642U features a rear-panel 2.0
USB type-A port on a 38" pigtail. The USB port enables
connection and control of a portable USB mass-storage class device with AAC
(8-320 kbps), MP3
(8-320 kbps), and WMA (48-192 kbps) music files. The USB port is compatible with
all USB mass storage class devices that support the FAT16 or FAT32 file system.
Your USB device should only have a maximum of 8 directory levels, 255 folders,
and 255 files per folder with a maximum of 65,025 files and folders. When your
USB device is connected to this unit, it can be charged up provided that the
KDC-MP642U is powered on.
Note: You cannot connect a USB device via a USB hub or
Multi-Card Reader to this unit.
iPod High-Speed Connection: The KDC-MP642U's rear-panel USB
port also acts as an iPod high-speed direct connection when used with the
optional Kenwood USB Direct Connection Cable (113iP101,
sold separately) or the
USB/iPod cable that comes with your iPod. Using either cable allows you to
connect, control, and charge select iPod models with the KDC-MP642U. The USB
connection allows your iPod's large music libraries to be loaded instantly to
the headunit and sound quality to be maximized through the headunit's 24-bit D/A
converter, allowing for a Signal to Noise ratio up to105dB.When your iPod is
connected to the KDC-MP642U, you can choose to operate your iPod via the Kenwood
headunit's controls or your iPod's click-wheel/touch-screen. If you select to
control your iPod from the KDC-MP642U, the Kenwood headunit will allow you to
navigate your iPod's music by Playlist, Artists, Album, Genre, Composer, Song,
or Podcast (your iPod's click-wheel/touch-screen will be locked in this mode).
You can search these categories alphabetically or using a percentage search
(0.5%, 1%, 5%, 10%). You can also choose to listen to all songs stored on your
iPod at random. The KDC-MP642U will also display your iPod's music file
information when in this mode. If you choose to operate your
connected iPod via its click-wheel/touch-screen controls, the KDC-MP642U will
not display your iPod's music information (the headunit will instead display "iPodMODE")
and the Kenwood headunit's controls will no longer operate your iPod. The
Kenwood KDC-MP642U is "Made for iPod/iPhone" compatible and supports the
following iPod/iPhone model features (as of Nov. 2009):
Model ||Generation ||Media Type || Control ||Display ||Charge |
|Audio ||Video ||Unit ||iPod ||Song/Artist ||Track |
dock-connector ||3rd || N || N || N || N || N || N || N |
click-wheel/color-display ||4th || N || N || N || N || N || N || N |
|mini ||1st ||
N || N ||
N || N |
|2nd ||N ||N ||N ||N ||N ||N ||N |
||5th || Y || N || Y || N || Y || Y || Y |
| classic ||80GB || Y || N || Y || Y || Y || Y || Y |
|120GB || Y || N || Y || Y || Y || Y || Y |
|160GB || Y || N || Y || Y || Y || Y || Y |
||1st ||Y ||N ||Y ||N ||Y ||Y ||Y |
Y || Y ||
Y || Y |
|3rd ||Y ||N ||Y ||Y ||Y ||Y ||Y |
|4th ||Y ||N ||Y ||Y ||Y ||Y ||Y |
|5th ||Y ||N ||Y ||Y ||Y ||Y ||Y |
| touch || 1st || Y || N || Y || Y || Y || Y || Y |
| 2nd || Y || N || Y || Y || Y || Y || Y |
| 3rd || Y || N || Y || Y || Y || Y || Y |
| iPhone ||2G || Y || N || Y || Y || Y || Y || Y |
| 3G || Y || N || Y || Y || Y || Y || Y |
| 3GS || Y || N || Y || Y || Y || Y || Y |
Note: Apple firmware updates may change
functionality results. You may need to reset your iPod if you
download a newer software version.
Satellite Radio Ready: There are several options for
connecting an optional XM or SIRIUS Satellite Radio receiver to this receiver:
HD Radio Ready: With an optional Kenwood HD Radio tuner (113KTCHR20
113HR300, sold separately), you will be able to receive digital AM/FM
broadcasts from local stations where available. This new technology will
significantly improve audio quality and reception, as well as include
information such as artist name and song titles or traffic news, viewable on the
Bluetooth Ready: The unit is also Bluetooth compatible using
the optional Kenwood KCA-BT200 Bluetooth adapter (113BT200,
sold separately). Using this adapter you can make and answer phone calls from
the Kenwood headunit. You can even download your Phonebook information from your
compatible mobile phone into the headunit. You are able to register up to five
compatible Bluetooth cell phones when using the KCA-BT200 adapter. Visit
Kenwood.com for a complete list of compatible Bluetooth enabled phones.
Changer Controls: This unit is directly compatible with Kenwood changers
manufactured in 1998 or later. If the changer has an O-N switch, the switch will
need to be set to the "N" position. In addition to basic disc navigation features, this
unit has the following changer controls: direct disc access (using the remote),
direct track access (using the remote), track intro scan, track repeat, disc
repeat, disc random, and magazine disc random. When connected to a CD Text capable CD changer, this unit can display disc and track titles for discs encoded
with disc and track title information. The text information can be scrolled
manually or automatically.
AUX Input: The
KDC-MP642U is equipped with a rear-panel 3.5mm minijack auxiliary input for
connecting external portable audio devices such as an MP3 player. The
KDC-MP642U allows you to select the source type displayed when using the
auxiliary input. You can choose from AUX, DVD, Portable, Game, Video or TV.
Rear Auxiliary Input "Ready": The unit already features a
front panel auxiliary input, but if you need a second auxiliary input, one can
be added to the rear of the unit. When used with an optional adapter, this unit
can accept a rear input from an auxiliary source. When the CA-C1AUX adapter (113CAC1AX,
sold separately) is used, you cannot connect a CD changer to the head unit
because the adapter plugs into the DIN changer control connection on the head
unit. When the KCA-S220A 2-changer switch (113KCAS220,
sold separately) is used, you can connect a CD changer and an auxiliary audio
source at the same time. When an auxiliary audio source is connected, you can
choose from one of six names for the source: AUX, DVD, Portable, Game, Video or
Remote Control: The KDC-MP642U
comes with the RC-547 IR wireless remote control with a full numeric keypad. The
remote will control Audio, CD, Tuner, Satellite Radio, and Dual Zone functions.
The remote control allows direct access of your music tracks, direct access to
discs loaded in a connected CD-changer (sold separately) and direct access to
AM/FM radio stations. It is powered by 2 "AA" batteries (supplied).
Attenuator: The CD receiver features an Attenuator button on
the supplied remote control that turns the volume down very quickly with one
touch of the button.
Steering Wheel Remote Compatibility: The KDC-MP642U has a
"steering remote control" lead on the back panel. When used with the optional
SWI-JACK interface (127SWIJACK,
sold separately), you can retain the use of your
steering wheel and/or rear seat radio controls when replacing the factory head
unit in select vehicles. The SWI-JACK is compatible with over 95% of the
vehicles made from 1986 to the present. Compatible vehicles include many Acura,
Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Honda,
Hummer, Infiniti, Isuzu, Jaguar, Jeep, Kia, Land Rover, Lexus, Lincoln, Mazda,
Mercury, Mini, Mitsubishi, Nissan, Oldsmobile, Plymouth, Pontiac, Saab, Saturn,
Suzuki, Toyota, and Volkswagen vehicles and Harley Davidson motorcycles. Please
consult "What Fits My Car" to see if your vehicle is compatible.
Supplied Software: The KDC-MP642U comes supplied with the
Kenwood Music Editor Version 2.1.0 CD-ROM. Kenwood Music Editor is a desktop
software that helps organize, manage and transfer AAC, MP3, and WMA music files
to your USB devices from your PC.
- Operating System:
- Microsoft Windows XP Professional/Home Edition SP2 or later (32-bit
- Microsoft Windows Vista (32-bit version)
- Other Programs:
- Microsoft .Net Framework 2.0
- QuickTime 7 or later (when using AAC file)
- Windows Media Player 10/11
- Hard disk with at least 100MB free space
- CD-ROM drive (CD-R/RW drive when writing to CD-R/RW)
- USB interface (2.0/1.1)