Disc & Tuner Playback
Display & Remote Features
USB Port: The Kenwood KDC-258U features a front panel
USB (type-A) port that is hidden behind a flip-up cover. The USB port
enables 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 unit supports playback of MP3 (8-320 kbps), WMA (32-192 kbps),
and WAV music files
stored on a compatible USB memory device formatted with FAT12/16/32 file system. Your USB device should only have a maximum of 8 folder
layers, 255 folders, and 255 files per folder - with a maximum of 65,025 files
and folders. USB portable audio players that can be charged via USB will be
charged when plugged into the CD receiver's USB port (max. 1A), and the vehicle's ignition
switch is set to ACC or On.
Note: When a mass-storage class (MSC) compatible
smartphone is connected to the head unit's USB input, the unit's Drive
Change features lets you select its internal memory or external memory (such
as an SD card) for stored music playback. The Drive Change feature also lets
you switch between multiple memory cards (up to 5) in a USB multi-card
reader or multiple USB thumbdrives (up to 5) connected to a USB hub.
Music Control for Android Smartphone: The Kenwood Music
Control app for Android organizes your Android smartphone's music, while
providing quick and easy search capability from the Kenwood CD receiver. The
freeKenwood Music Control App for Android can be downloaded onto your Android
smartphone from the Google Play App Store. Your Android smartphone must be
running Android OS Froyo or Gingerbread (2.2+). Once the app is downloaded and has a chance to
organize all the stored music on your Android smartphone, you can connect your
Android smartphone to the Kenwood CD receiver via USB (your compatible Android
smartphone must be recognized as a USB mass storage class device; not
compatible with MTP protocol). The Kenwood Music Control app offers the
following Android supported functions.
- Song Management: Music stored in your Android
smartphone can be navigated from the Kenwood CD receiver. Songs can be
easily selected by searching for a Song title, Artist name, Album label, or
- Song Information Display: Song information such as
Artist name, Song title, and Album label are displayed on the connected
Kenwood CD receiver.
- Mood Playlist: Playlists can be created by classifying
songs into categories by type of mood. Songs are analyzed and classified
into the following categories of moods - High Energy (Active/Powerful/Core),
Acoustic (Detailed/Simple/Smooth/Easy), Standard (Dynamic/Rockin/Vivid),
- Intro Skip: This function allows you to choose and
listen to only the hook-lines of songs stored in your Android smartphone.
Note: When the Kenwood Music Control app is first
downloaded it will require some time to populate all the music, so we
suggest doing this overnight.
Music Editor Compatible: The Kenwood KDC-258U supports the
PC application, Kenwood Music Editor Lite
Music Editor Lit (v1.1.0). Kenwood Music Editor Lite
is a Windows-based desktop software that helps organize, manage and transfer
MP3/WMA music files to your USB thumbdrive from your PC. When you playback
audio files that have been stored on your USB thumbdrive using Kenwood Music
Editor Lite through this unit, you can search a file by title, album, or artist
name using the head unit's Music Search function. The Kenwood Music Editor Light
(v1.1.0) Windows-based software can be downloaded for free from
Kenwood's website to your PC. The Kenwood Music Editor Light 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)
- Windows 8
Note: Not compatible with Apple iPod/iPhone/iPad, Zune,
Aux In: The unit is equipped with a front panel 3.5mm
minijack auxiliary input that can be used to input audio from a portable audio
source, such as a portable MP3 player. The Aux input must be turned on to function. The KDC-258U allows you to select the
source type displayed when using the auxiliary input. You can choose from AUX,
DVD, Portable, Game, Video, or TV. The
unit has three aux input modes.
iPod Direct Connection: The Kenwood KDC-258U's front-panel
USB port can be used to connect your 30-pin dock connector or
Lightning-connector iPod/iPhone to the head unit. The KDC-258U supports audio
playback, music navigation, information display, and charging of your compatible
- 30-Pin Dock Connector: If you have an older iPod/iPhone
with a 30-pin dock connector, you can use Kenwood's dock connector-to-USB
sold separately) or the dock connector-to-USB cable that comes with your
Apple device to connect your iPod/iPhone to the KDC-258U.
- Lightning Connector: If you have a newer iPod/iPhone
with the Lightning-connector, you can use the Lightning-to-USB cable that
came with your Apple device to connect your iPod/iPhone to the KDC-258U.
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 (if your iPod/iPhone
has no initial battery charge, then the unit will not recognize it).
iPod Audio Playback w/ DAC Bypass: 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 16-bit D/A
converter, allowing for a Signal to Noise ratio up to 105dB. The Kenwood head
unit supports audio playback of stored music, podcasts, audiobooks, and music
apps on your iPod or iPhone. The KDC-258 provides music control and song/artist
- Music Control: The Kenwood head unit allows you to navigate
your iPod's music by Playlist, Artists, Album, Genre, Composer, Song, or
Podcast. You can search these categories alphabetically (A-Z) or using a
percentage search (0.5%, 1%, 5%, 10%). The head unit also supports Repeat
(file) & Random (folder) playback functions of your connected iPod/iPhone.
Newer iPod/iPhones with iOS 6.0+ allow you to continue to access your Apple
device's touchscreen. Older iPod/iPhone devices will be locked during
- Song/Artist Info: The KDC-258U will display your
iPod/iPhone's music file information. The head unit will display Track
number, Elapsed playing time, Artist name, Song title, and Album label.
Internet Radio Apps (for iPhone): The Kenwood KDC-258U
allows you to access
Pandora and iHeartRadio
online music services through your USB-connected iPhone. Your Apple iPhone must
be connected to the KDC-258U via the Kenwood
KCA-iP102 cable (sold separately),
or the cable supplied with your iPhone. Your iPhone will need an active Data
Plan account with connection to the Internet via 3G, EDGE, or WiFi.
- Pandora App: ThePandora App (free) lets you play music from
the Pandora music service through the Kenwood KDC-258U using your connected
Apple iPhone, via the Kenwood KCA-iP102 USB/iPod connector cable (sold
separately), or the cable supplied with your iPhone. The Kenwood
KDC-258U 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 save up to five Pandora
stations as presets. You can also skip song
tracks within a station. You can even give songs a thumbs up or thumbs down. To
access Pandora you must have an Apple iPhone (iOS 5.0+) with the latest
version of the Pandora application from Apple's iTunes App Store. Your iPhone
will need an active Data Plan account with connection to the Internet via 3G,
EDGE, or WiFi. You will also need a Pandora music service account.
- iHeartRadio Link: The free
iHeartRadio Link app for Kenwood from lets you play music from the
iHeartRadio music service through the Kenwood KDC-258U using your
USB-connected Apple iPhone (iOS 5.0+). 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 KDC-258U 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 the Pandora and iHeartRadio services will depend on the
availability of a cellular and/or WiFi network for purposes of allowing your
iPhone to connect to the Internet. Pandora is not supported in Canada and
only available in the United States.
Apple Device Compatibility Chart:
The Kenwood KDC-258U is "Made for iPod/iPhone" compatible and supports the
following iPod/iPhone model features (as of 2/4/2014):
|Apple Device||Generation||Tested Version||Media Type||Control Type||Display Type||Charge|
|Audio||Video||Head Unit||iPod/iPhone||Pandora/iHeart Radio||Artist/Song Text||Track Info |
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
Disc & Tuner Playback
The unit features a single disc player that will playback CD-Audio and finalized
CD-R/CD-RW audio discs.
MP3/WMA Playback: The KDC-258U can play MP3 (8-320 kbps)
and WMA (32-192 kbps) music files recorded on CD-R and CD-RW discs in ISO9660 Level
1/Level 2, Joliet, Romeo, and Long file name formats. Each disc can have a
maximum of 8 directory levels, 50 folders, and 255 files per folder (512 maximum
number of files and folders). During MP3/WMA playback, the unit displays any
recorded ID3 Tag (ver. 1.x/2.x) and WMA Tag information - up to 60 characters.
Text Scroll: The KDC-258U will display MP3/WMA audio file
text. You can set the text scrolling feature to three different modes (Auto,
Once, or Off) to scroll longer titles across the screen.
Music Search + Direct 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 head unit's rotary knob. The supplied IR wireless remote control
(RC-406) allows you to search for music directly by entering the track number.
Playback Modes: The Kenwood KDC-258U features the following Repeat,
Random, and Scan playback modes.
- Repeat Play: Track, File, or Folder
- Random Play: Disc or Folder
- Scan Play: Track or File (plays the first 10-seconds of each
music track on a disc or music file in a folder)
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.
CD Read: This function sets the method for reading a CD
disc. You can choose between two modes.
- CD1: Automatically distinguishes between audio file
disc and music CD when playing a CD or CD-R/RW disc.
- CD2: When unable to play a special formatted CD, set
this function to CD2 to force playing. Some music CD discs may be
unplayable even when set to this mode.
Off Insert/Eject + Auto Reload: A CD disc can be inserted or ejected with
the power off. When a disc is inserted with the power off, the unit will
automatically power up and begin playback. If the ejected disc is not removed within 15
seconds, the disc is automatically inserted again into the loading slot to
protect it from dust.
AM/FM Tuner: The Kenwood KDC-258U features a built-in
AM/FM tuner. You can choose one of four tuning methods: Auto 1 (seek tuning),
Auto 2 (cycles through and tunes the selected band's preset stations only with
each button press), or Manual Tune. The KDC-258U's tuner features 3 FM banks (1,
2, 3) and 1 AM bank for storing presets. The Kenwood KDC-258U offers two preset
- Normal: You can store 6 presets for each AM/FM bank
giving you a total of 18 FM presets and 6 AM presets (total of 24).
- Mix: A total of 6 preset stations can be assigned to
the head unit's 6 preset buttons, regardless of AM/FM band. This lets you
recall a preset station without switching between bands.
Note: 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.
16 Bit D/A Converter: The Kenwood KDC-258U utilizes a 16-bit
digital to analog converter for superior sound quality with a Signal to Noise
ratio up to 105dB.
MOSFET Amplifier: The Kenwood KDC-258U 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
KDC-258U 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
Selectable 2.5V Preamp Output: The KDC-258U features a
2.5-volt stereo preamp output that can be adjusted from a full-range rear
speaker preamp output to a low-pass subwoofer preamp output (non-fading).
Subwoofer Controls: The Kenwood KDC-258U offers the
following subwoofer controls, when you have the unit's subwoofer preamp output
- Low Pass Filter: The receiver features a built-in Low
Pass Filter control for the preamp-output, when the output is set to
Subwoofer. You can select from 85 Hz, 120 Hz, 160 Hz, or off.
- Subwoofer Phase: You can adjust the phase of the
subwoofer output between 180-degrees (Reverse) or 0-degrees (Normal).
- Subwoofer Level: Once the Subwoofer preamp output is
activated, you can independently control the subwoofer preamp output level
(-15 to +15) from the CD receiver.
Speaker Settings: The Speaker
Setting function tailors the head unit's audio settings according to the
type of speakers in your vehicle. You may select a Speaker Setting of 'SP-Off'
(flat/off), 'SP-OEM' (for OEM factory speaker systems), 'SP-6x9/6' (for systems with 6"
and 6"x9" speakers), or 'SP-5/4' (for systems with 4" and 5" speakers).
Preset EQ: Eight EQ curves are preset into
memory, allowing you to recall the best preset EQ curve for different types of
music. Each preset has its own level settings for bass, midrange,
and treble . You can choose from the following preset EQ curves; Rock,
Pops, Easy, Top 40, Jazz, Natural, Drive EQ, or User. The Drive EQ mode is an EQ
preset that helps reduce road noise. The User mode allows you to manually adjust
the head unit's Bass (200Hz) , Midrange (2.5kHz), and Treble (12.5kHz) level
from +/- 8dB.
Note: You can store bass, middle and treble tone settings for each source (CD, AM/FM, Aux, USB,
iPod, and Pandora/iHeart Radio).
Sound Enhancements: The head unit provides further sound
enhancements for your car audio system.
- Bass Boost: The Kenwood CD receiver features a Bass
Boost control that can be set to the following levels (BB1, BB2, BB3, or
- Loudness: This function enhances low and high
frequencies to make the sound clearer lower volumes. There are 3 levels
(LV1, LV2, or Off).
- Sound Reconstruction: When MP3 or WMA files encoded at a low
bit rate (less than 96 kbps, 44.1k, 48kHz) are played, the Sound
Reconstruction 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 Sound Reconstruction is Off,
the unit plays the original sound stored in the audio file.
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 (-8 to +8 for Aux
Key Beep: The in-dash head unit provides an audible beep to
confirm button operation. This function can be turned On or Off.
Display & Remote Features
Detachable Face: The Kenwood KDC-258U features a single
front loading CD face that detaches from the chassis to deter theft. There is no
protective face case included. 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.
Variable Color Illumination: The Kenwood KDC-258U features
variable color display and button illumination. You can choose from one of 24
preset colors, have the unit scan through all 24 preset colors continuously, or
customize your own color (RGB; 0-9). The custom setting allows you to
individually adjust the intensity of Red, Green, and Blue (from 0-9) to better
match your vehicle's interior lights. The same color setting is applied to both
the display and buttons. The Kenwood logo remains* red.
Brightness & Dimmer: You can dim the LCD and button
illumination to better suit the time of day. You can adjust the maximum
brightness of the LCD and button illumination from 0-31. The Kenwood logo does not dim.
12Hr/24Hr Clock: The head unit can be set to display a 12hr or 24hr
clock. The unit also displays the day (Sun, Mon, Tue, Wed, Thu, Fri, or Sat). With your vehicle's key in the accessory or start position,
the head unit continues to display the clock and button illumination during
Standby mode. Pressing and
holding the source button turns the unit off completely.
Demo Mode: This unit features a Demo mode which can be
turned On or Off within the menu.
Wireless Remote Control: The KDC-258U comes with an IR
remote control (RC-406) for wireless operation of the head unit. The remote will
control Audio, CD, USB, and Tuner functions. It is powered by a single CR2025 3V
lithium-cell battery (supplied).
- Numeric Keypad: The wireless remote control features a
numeric keypad (0-9) which allows direct track access of your music tracks &
files (from CD or USB), as well as AM/FM presets.
- 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.
Warranty Note: This refurbished Kenwood product carries a 90-day warranty
when purchased from Crutchfield. Kenwood offers Crutchfield customers an extra
60 days extended warranty beyond the 30-day Kenwood Limited Warranty for
Refurbished Product that comes in the box.