Disc & USB Playback
Marine Receiver: At the factory, the Kenwood KMR-555U Marine
receiver has a special water-resistant conformal coating placed on its main
circuit board. This protects the circuitry from the harsh, corrosive marine
Water Resistant Covers (optional): Even though the conformal
coating makes the receiver water-resistant, it is still recommended that it be
used with a universal marine cover such as the Metra (120999005B,
sold separately) or Scosche (142ACM1,
Disc & USB Playback
Disc Compatibility: The unit features a single disc player
that will playback CD-Audio, CD-Text, and finalized CD-R/CD-RW audio discs. The
unit also supports playback of MP3/WMA/AAC music files loaded onto CD-R/RW
Dual USB Ports: The Kenwood KMR-555U features a
front panel USB (type-A) port that is hidden behind a flip-up cover and a
rear-panel USB (type-A) port attached to the rear-chassis by a 38" cable. The
USB ports enable connection of a portable USB mass-storage class (MSC) device;
such as your Android smartphone, portable digital audio player, or USB
thumbdrive. The USB ports support audio playback and control of MP3, WMA, & AAC audio files stored on these portable USB mass-storage class devices. USB
portable audio players that can be charged via USB will be charged when plugged
into the CD receiver's USB ports (max. 1A), and the vehicle's ignition switch is
set to ACC or On. You cannot connect a USB device via a USB hub or Multi-Card
Reader to this unit.
MP3/WMA/AAC Playback: The Kenwood KMR-555U supports the
following types of MP3, WMA, AAC, & WAV files recorded onto CD-R/RW disc or loaded onto
a USB mass storage class device.
|Media Type ||CD-R/RW||USB Storage Device|
Level 1/Level 2, Joliet, Romeo, Long file name ||FAT 12/16/32|
|Playable File Types||
bit rate of 8-320 kbps w/ sampling rate of 8-48 kHz|
WMA: bit rate of 32-192 kbps w/ sampling rate of 8-48 kHz
WMA: bit rate of 8-320 kbps w/ sampling rate of 8-48 kHz
bit rate of 8-320 kbps w/ sampling rate of 8-48 kHz|
WMA: bit rate of 32-192 kbps w/ sampling rate of 8-48 kHz
WMA: bit rate of 8-320 kbps w/ sampling rate of 8-48 kHz
WAV: bit rate of 16-bit w/ sampling rate of 44.1 kHz
|Maximum # of Folders/Files||500 folders/500 files
(500 files per folder)||999 folders/20,480
(999 files per folder)|
(ver.1.0/1.1/2.2/2.3/2.4), WMA tags, AAC tags|
Text Scroll: The KMR-555U will display CD text or 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: The Kenwood AM/FM CD receiver features a Music
Search feature which allows you to scroll through and select your MP3/WMA/AAC
music folders and files, as well as scroll through your audio CD's music tracks
using the head unit's rotary knob.
Direct Music Search: The supplied IR wireless remote control
(RC-406) allows you to search for music directly by entering the track number.
Playback Modes: The Kenwood KMR-555U 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: 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.
Auto Reload: 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.
Music Editor Compatible: The Kenwood KMR-555U supports the
PC application, Kenwood Music Editor Lite (ver.1.1.0). Kenwood Music Editor Lite
is a Windows-based desktop software that helps organize, manage and transfer
MP3/WMA/AAC music files to your USB (MSC) device from your PC. When you playback
audio files that have been stored on your USB (MSC) device 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
(ver.1.1.0) Windows-based software can be downloaded for free from
Kenwood.com 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)
Note: Not compatible with Apple iPod/iPhone/iPad, Zune, or
iPod Direct Connection w/ DAC Bypass: The KMR-555U's front-
or rear-panel USB port acts as an iPod/iPhone high-speed direct
connection when used with the optional Kenwood USB Direct Connection Cable (113KCIP102,
sold separately) or the USB/iPod cable that comes with your iPod/iPhone. If you have an iPod
nano (7th gen), iPod touch (5th gen), or iPhone 5; use the Lighting-to-USB cable
that came with your Apple device to connect to the head unit. Using either cable
allows audio playback, music navigation, information display, and charging of
select iPod/iPhone models from the KMR-555U.
- DAC Bypass: This USB
connection allows your iPod/iPhone's large music libraries to be loaded
instantly to the head unit and sound quality to be maximized through the
head unit's 24-bit D/A converter, allowing for a Signal to Noise ratio up to
110dB. The Kenwood head unit supports audio playback of music files and podcasts
stored on your iPod or iPhone, as well as music apps streamed to your iPhone.
- Music Control: You can choose
to control the iPod/iPhone from the head unit or from your iPod/iPhone's
clickwheel or touchscreen.
- Head Unit: 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 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.
- iPod/App Mode: In iPod/App mode, you can navigate the
stored music on your iPod/iPhone from its clickwheel or touchscreen. You can
also listen to your favorite music apps (such asiHeartRadio,
Rhapsody, &Slacker) from your iPhone (iOS 3.0+)
through the Kenwood head unit and your vehicle's speakers. You will continue
to use your iPhone's touchscreen to navigate your apps. Not all apps will be
compatible with App Mode. Access to your iPhone's downloaded applications
will depend on the availability of a cellular and/or WiFi network for
purposes of allowing your iPhone to connect to the Internet.
- Information Display: The KMR-555U
will display your iPod/iPhone's music file information when you are
controlling your iPod or iPhone from the Kenwood head unit. The head unit will
display Track number, Elapsed playing time, Artist name, Song title, and Album
label. If you choose to
operate your connected iPod/iPhone via its clickwheel or touchscreen controls,
the KMR-555U will not display your iPod/iPhone's music information (the head unit will
instead display "APP/iPod").
- Battery Charging: 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. This unit does not charge
the iPad. If your iPod/iPhone has no initial battery charge,
then the unit will not recognize it.
iPod/iPhone Compatibility Chart:
The Kenwood KMR-555U is "Made for iPod/iPhone" compatible and supports the
following iPod/iPhone model features (as of 10/5/2013):
|Apple Device||Generation||Tested Version||Media Type||Control Type||Specific Apps||Display Type||Charge|
|Audio||Video||Head Unit||iPod/App||Pandora app||iHeart Link||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
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 2.2 or later. 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 Files Format Supported by Music Control app for Android:
|Codec||Extension||Bit Rate||Sampling Frequency|
|AAC||.aac, m4a||up to 160 kbps||8-48 kHz|
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 KMR-555U 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 3 auxiliary input modes.
- On1: Outputs the sound of the external unit connected
to the Aux terminal when switched to the Aux source.
- On2: Activates the attenuator function when turning on
the power with the auxiliary source selected. This prevents the noise when
no external unit is connected to the Aux terminal. Turn off the attenuator
function when listening to output from an external unit.
- Off: Disables the selection of the Aux source.
RDS AM/FM Tuner: The Kenwood Marine KMR-555U features a
built-in RDS AM/FM tuner. The Radio Data System (RDS) feature displays radio
broadcast information such as artist & track information when listening to
compatible AM/FM stations. 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), Manual Tune, or Direct Access (via
remote). The KMR-555U's tuner features 3 FM banks (1, 2, 3) and 1 AM bank for
storing presets. The Kenwood KMR-555U offers two preset modes.
- 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.
Internet Radio Apps (for iPhone): The Kenwood KMR-555U allows you to
access Pandora &iHeartRadio online music
services through your USB-connected iPhone. Your Apple iPhone must be connected to the
KMR-555U via the Kenwood KCA-iP102 cable (sold separately, or the cable
supplied with your iPhone.
Your iPhone device will need an active Data
Plan account with connection to the Internet via 3G, EDGE, or WiFi.
- Pandora App: The free
Pandora App from
iTunes Apps lets you play music from the Pandora music service
through the Kenwood KMR-555U using your USB-connected Apple iPhone
(iOS3+). The Kenwood
KMR-555U 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 also save 3 Pandora stations as presets. You can also skip song tracks
within a station. You can even give songs a thumbs up or thumbs down. An
active Pandora account is required.
- iHeartRadio Link: The free
iHeartRadio Link app for Kenwood from
iTunes Apps lets you play music from the iHeartRadio music service
through the Kenwood KMR-555U 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
KMR-555U 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). TheLocal 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 these Internet Radio services will depend
on the availability of a cellular and/or WiFi network for purposes of
allowing your iPhone to connect to the
Internet. Not supported in Canada and only available in the United States.
SiriusXM Ready: The Kenwood KMR-555U comes ready for
SiriusXM programming with access to XM and Sirius Satellite Radio stations.
Thanks to its proprietary SiriusXM Connect port, you can add the optional
SXV200V1 SiriusXM Connect tuner and receive more than 150 channels of
exclusive programming directly from SiriusXM, via the "SiriusXM
All Access" package (subscription required). VisitSiriusXM.com
for a complete list of subscription options and channel guide. Additional
features of the SXV200 SiriusXM Connect tuner include:
- Channel list displays a list of all available channels
- Category Search searches for channels in a certain category
- Displayed Information such as Channel Name, Artist Name, & Song Title
can be viewed on the head unit's LCD
- Up to 18 SiriusXM Satellite Radio station presets
- Direct Tuning via included remote
- Tune Start allows you to choose whether to start a song from the
beginning or from its live point when tuning to a preset music channel.
- Song/Artist Alert with visual notification of your favorite songs or
- Supports the SiriusXM Instant Replay function, so you can pause, rewind,
and replay up to 30 minutes of live content
- iTunes Tagging for connected iPod/iPhone
- Channels containing unsuitable content for children can be blocked
Note: A separate SiriusXM Satellite Radio subscription is
required (operates on the XM Network). However, you can easily add this
SiriusXM tuner to an existing Sirius or XM account for a Multi-Radio
24 Bit D/A Converter: The Kenwood KMR-555U utilizes a 24-bit
digital to analog converter for superior sound quality.
MOSFET Amplifier: The Kenwood KMR-555U 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
KMR-555U 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
6ch/2.5V Preamp Outputs: The KMR-555U features front, rear
and subwoofer 2.5-volt 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
Note: You can turn the head unit's built-in amplifier off
to improve the quality of the sound from the head unit's preamp outputs.
Front & Rear High-Pass Filter: The KMR-555U features a
High-Pass Crossover for the front & rear channels when your front & rear
speakers are connected by the unit's speaker-outputs or preamp-outputs. You can
adjust the high-pass crossover from "Through", 100, 120, or 150 Hz. The
"Through" selection is a full-range setting.
Subwoofer Controls: The Kenwood KMR-555U offers the
following subwoofer controls, when you are using 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 (100Hz), midrange (1kHz), and treble
(12.5kHz). You can choose from the following preset EQ curves - Rock, Pops,
Easy, Top 40, Jazz, Natural, Game, and User.
Note: You can store bass, middle and treble tone settings
for each source (CD, AM/FM, Aux, USB, iPod, and Pandora).
Bass Boost: In addition, 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).
Supreme Setting: When MP3 or WMA 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.
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.
Detachable Face w/ Hidden CD Slot: The Kenwood KMR-555U
features a hidden CD slot behind a manual fold-down cover which blends in the
front-panel of the head unit. The KMR-555U also features a detachable face to
deter theft (no face-case is 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.
Multi-Line Text Display: The 3-line full dot LCD makes it
easy to navigate through your disc's music, radio presets, iPod music library,
and USB content. The KMR-555U offers 5 different display types:
- 3-line display mode with 3 lines of text.
- 2-line display mode with 2 lines of text.
- Spectrum analyzer display mode with 1 line of text and spectrum
- Clock display mode with clock & date.
- Display off mode which turns off the display and button illumination.
Note: The Kenwood KMR-555U offers English, French, and
Spanish menu text.
Display Adjustments: You can switch the in-dash head unit's
display between a positive or negative effect. You can also adjust the display's
contrast from 1-30.
Illumination Effect: This function sets whether the head
unit's key illumination color is changed in conjunction with the key-button
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. You can also choose to dim the
display manually. The Kenwood logo and eject button remain the same brightness.
Clock/Date Display: The marine CD receiver features a
12-hour clock and date (M/D/Y) display. You can even set times for two different
cities (dual clock display).
Display Illumination/Clock Display: When the unit is in
Standby mode, the face and button illumination is "keyed." 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.
Demo Mode: This unit features a Demo mode which can be
turned On or Off within the menu.
Optional Wired Remote: The Kenwood Marine KMR-555U CD
receiver is compatible with Kenwood's add-on marine wired remote controls (sold
- LCD Marine Remote: The KenwoodKCA-RC107MR
marine wired remote (both
sold separately) features an LCD screen which lets you view source
information, so you can mount the KMR-555U marine head unit out of sight.
The wired remote allows you to access all major functions of the
Kenwood marine receiver, as well as control peripherals like an iPod or
satellite radio tuner. This remote attaches to the proprietary 8-pin remote
input on the rear-panel of the head unit.
- Simple Marine Remote: The Kenwood KCA-RC35MR wired
marine remote control (113RC35MR,
sold separately) is designed to withstand the harsh marine environment. The
Kenwood add-on wired remote features source selector, music search, and
volume control buttons. This remote attaches to the head unit's blue/yellow
wire within the harness.
Steering Wheel Remote Compatibility: The head unit features
an OEM steering wheel remote control input wire (blue/yellow) within the
included wiring harness that lets you
keep your vehicle's factory radio steering wheel remote controls when used with
steering wheel audio control adapter (sold separately). Please consult
Outfit My Car to see if your vehicle is compatible.