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Kenwood KDC-HD552U

CD receiver (New stock)

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Item # 113HD552U

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Overview

Our take on the Kenwood KDC-HD552U

Enjoy the best-sounding radio
HD Radio™ broadcasts offer FM reception that approaches CD quality, and they're available almost everywhere across the country, free of charge to listeners with the right gear. Kenwood built an HD Radio tuner into their KDC-HD552U CD receiver, so you can join in this radio revolution.

Enjoy the best-sounding radio
HD Radio™ broadcasts offer FM reception that approaches CD quality, and they're available almost everywhere across the country, free of charge to listeners with the right gear. Kenwood built an HD Radio tuner into their KDC-HD552U CD receiver, so you can join in this radio revolution.

Kenwood KDC-HD552U

Enjoy your personal music collections
You can plug your iPod® or iPhone® into the front-panel USB input and enjoy easy navigation of your music library. And if you like to listen to Pandora® Internet radio with your iPhone, you'll appreciate the built-in Pandora® controls. They make it easy to browse stations, plus rate and bookmark songs from the receiver's controls. And you Android fans can take advantage of the Music Link app, which provides a variety of search and playback features when your phone is plugged into the USB input.

When you want to spin a disc, slip in a CD and enjoy this receiver's 24-bit digital-to-analog converter. It converts the raw data on your disc, including MP3 and WMA files, with greater accuracy so you hear more detailed, lifelike sound. And the convenient front-panel auxiliary input lets you plug in a Dock & Play satellite radio tuner or other devices.

Sound-shaping tools
The feeble bass and treble controls of a factory radio can't compare with this receiver's 3-band EQ, high- and low-pass filters, and selectable bass boost, along with settings that let you customize the output to fit your car's speaker setup.

Want to keep your car's steering wheel audio controls?
In most vehicles, you can use an adapter to connect your vehicle's steering wheel controls to this Kenwood stereo. Connect a few wires, then program the adapter for your particular car and this Kenwood, and you'll retain the convenience of your steering wheel controls. Check the "Accessories" tab for compatible adapters.

just bought this car and this stereo was in it.

bill w, belton mo

Featured Video:

What's in the Box:

  • AM/FM CD receiver (with 10-amp fuse inserted into the chassis)
  • Face (attached)
  • Trim ring (attached)
  • Sleeve (installed)
  • Wiring harness
  • Wireless remote control (RC-405)
  • CR2025 3V lithium-battery (installed in remote)
  • Cloth face pouch
  • 2 Removal tools
  • 4 Panhead ISO-mount screws
  • 4 Flathead ISO-mount screws
  • Face-fixing screw
  • Instruction Manual (Eng/Fre/Spa)
  • Warranty Card
  • Correction note

Product Highlights:

    General features:
    • CD receiver with AM/FM tuner
    • built-in MOSFET amplifier (22 watts RMS/50 peak x 4 channels)
    • built-in HD Radio tuner
    • plays CDs, CD-Rs, and CD-RW discs including discs loaded with MP3 and WMA music files
    • detachable face with 13-digit display and blue/white illumination
    • remote control
    Audio features:
    • System Q Sound Control (8 preset EQ curves and a 3-band equalizer)
    • speaker size settings
    • Supreme Setting improves the sound of files encoded at low bit rates
    • bass boost
    • low-pass filter and subwoofer level control
    Expandability:
    • iPod/iPhone direct control via USB input — no adapter necessary, but adding Kenwood's optional connecting cable lets you leave your iPod cable at home
    • Pandora control with iPhone
    • compatible with Music Link app for Android devices
    • inputs: front-panel auxiliary and USB input
    • outputs: 6-channel preamp outputs (2.5-volt front, rear, and subwoofer)
    Other features and specs:
    Reviews

    Kenwood KDC-HD552U Reviews

    Average Customer Review(s):

    (56 Reviews)
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    Hands-on research

    Features and Specs

    Expandability
    AUX Input Front
    Audio/video Input ---
    USB Input Front
    CarPlay No
    Android Auto No
    Siri Control No
    Android Control USB MSC protocol
    Memory Card Slot USB memory
    Bluetooth Compatible No
    Satellite Radio Ready No
    HD Radio Built-in
    Navigation ---
    iPod Compatibility
    Full size Classic/5Gen
    Nano Nano7/Nano6/Nano5/Nano4/Nano3/
    Touch Touch5/Touch4/Touch3/Touch2/To
    iPhone Phone5/Phone4S/Phone4/Phone3GS
    General
    CEA-2006 Compliant No
    RMS Power Output 22 watts
    Peak Output 50 watts
    RMS Power Bandwidth 20-20KHz
    Preamp Outputs 6-channel
    Sub Preamp Outputs Yes
    Switchable Rear Preamp Outputs No
    Video Screen No
    Preamp Voltage 2.5 volts
    Display Color Bluish white
    Key Button Color Blue
    EQ Bands 3
    Wireless Remote Yes
    Steering Wheel Control Compatible Adapter required
    Parts Warranty 1 Year
    Labor Warranty 1 Year
    Tuner
    FM Sensitivity 11.2 dBf
    European Tuning Yes
    Seek/Scan Seek
    Radio Data System No

    Product Research

    HD Radio
    Disc Playback
    USB/Aux Inputs
    iPod/Android Control
    Audio Section
    Display Features
    Remote Control

    HD Radio

    Built-In HD Tuner: With its built-in HD Radio tuner, you can receive digital AM/FM broadcasts from local stations where available. HD Radio significantly improves AM/FM audio quality and reception, as well as includes information such as artist name and song titles or traffic news, viewable on the receiver's display. HD Radio Technology will deliver high-quality digital sound. AM digital will have FM-like quality in stereo (70dB SN @ 40-15kHz), while FM digital will have CD-like quality (70 dB SN @ 20-20kHz) with static free and clear reception. The unit's built-in HD Radio tuner allows analog AM/FM tuning as well.

    Note: HD Radio is the system for digital AM and FM broadcasting in the U.S. More than 2,000 radio stations are broadcasting their primary signals in digital HD Radio technology, as a free service. Go to HDRadio.com to check for HD Radio stations in your area.

    Station Text: AM/FM digital stations can offer text and data such as artist names and song titles.

    Multicasting: In addition to conventional broadcasts, with HD Radio broadcasting it is possible to choose from up to 3 multicast programs (HD1 to HD3, and analog).

    iTunes Tagging: It is possible to save the song's information (tag) from and HD Radio broadcasting station to your USB-direct connected iPod/iPhone. The songs will show up in a playlist called "Tagged" in iTunes the next time you sync your iPod/iPhone. Then you can directly buy the songs you want from the iTunes Music Store. You can "tag" up to 50 songs.

    Tuner Presets: The KDC-HD552U's tuner features 3 FM banks (1, 2, 3) and 1 AM bank for storing presets. The Kenwood KDC-HD552U 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.

    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.

    Seek Modes: You can choose one of three seek modes: Auto 1 (seek tuning), Auto 2 (cycles through and tunes the selected band's preset stations only with each button press), or Manual.

    Note: You can also setup the KDC-HD552U to search only HD Radio stations.

    Direct Access Tuning: You can directly access an AM/FM station by entering in the frequency number using the include wireless remote control.

    Disc 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.

    MP3/WMA/AAC Playback: The KDC-HD552U can play MP3 (8-320 kbps), WMA (32-192 kbps), and AAC (8-320 kbps) 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/AAC 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-HD552U 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-405) allows you to search for music directly by entering the track number.

    Playback Modes: The Kenwood KDC-HD552U 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.

    USB/Aux Inputs

    USB Port: The Kenwood KDC-HD552U 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 with MP3 (8-320 kbps), WMA (32-192 kbps), and AAC (8-320 kbps) music files. The USB port is compatible with USB mass storage class devices that support the FAT16 or FAT32 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: You cannot connect a USB device via a USB hub or Multi-Card Reader to this unit.

    Music Editor Compatible: The Kenwood KDC-HD552U 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 music files to your USB (MSC) devices 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.

    System Requirements: 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 Android.

    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 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.

    Auxiliary Display: The KDC-HD552U allows you to select the source type displayed when using the auxiliary input. You can choose from AUX, DVD, Portable, Game, Video, or TV.

    iPod/Android Control

    iPod Direct Connection: The KDC-HD552U's front-panel USB port also 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 KDC-HD552U.

    iPod DAC Bypass: The 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 105dB. 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.

    iPod 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 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 as iHeartRadio, SiriusXM, Last.fm, 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.

    Note: 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.

    Pandora App: The Pandora App (free) lets you play music from the Pandora music service through the Kenwood KDC-HD552U using your connected Apple iPhone, via the Kenwood KCA-iP102 USB/iPod connector cable (sold separately), or the USB/Dock cable supplied with your iPhone. The Kenwood KDC-HD552U 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). 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 (iOS3 or later) 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.

    Note: Access to the Pandora service 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.

    iPod/ Display: The KDC-HD552U 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 KDC-HD552U will not display your iPod/iPhone's music information (the head unit will instead display "APP/iPod").

    iPod 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.

    Note: If your iPod/iPhone has no initial battery charge, then the unit will not recognize it.

    iPod/iPhone Compatibility Chart: The Kenwood KDC-HD552U is "Made for iPod/iPhone" compatible and supports the following iPod/iPhone model features (as of 9/25/2012):

    iPod Model Generation Tested Version Media Type Control Type Display Type Pandora app iTunes Tagging Charge
    Audio Video Head Unit iPod App mode Artist/Song Text Track Info
    dock connector 3rd N/A N N N N N N N N N N
    clickwheel
    color
    4th N/A N N N N N N N N N N
    mini 1st N/A N N N N N N N N N N
    2nd N/A N N N N N N N N N N
    video 5th 1.3 Y N Y N N Y Y N N Y
    classic 80GB 1.1.2 Y N Y Y N Y Y N Y Y
    120GB 2.0.1 Y N Y Y N Y Y N Y Y
    160GB 2.0.4 Y N Y Y N Y Y N Y Y
    nano 1st 1.3.1 Y N Y N N Y Y N N Y
    2nd 1.1.3 Y N Y Y N Y Y N N Y
    3rd 1.1.3 Y N Y Y N Y Y N Y Y
    4th 1.0.4 Y N Y Y N Y Y N Y Y
    5th 1.0.2 Y N Y Y N Y Y N Y Y
    6th 1.1 PC Y N Y Y N Y Y N Y Y
    7th 1.2 Y N Y Y N Y Y N Y Y
    touch 1st 2.2.1 Y N Y Y N Y Y N Y Y
    2nd 4.2.1 Y N Y Y N Y Y N Y Y
    3rd 5.1.1 Y N Y Y N Y Y N Y Y
    4th 6.0 Y N Y Y N Y Y N Y Y
    5th 6.0 Y N Y Y N Y Y N Y Y
    iPhone 2G 3.1.3 Y N Y Y Y Y Y Y Y Y
    3G 4.2.1 Y N Y Y Y Y Y Y Y Y
    3GS 5.1.1 Y N Y Y Y Y Y Y Y Y
    4 6.0 Y N Y Y Y Y Y Y Y Y
    4S 6.0 Y N Y Y Y Y Y Y Y Y
    5 6.0 Y N Y Y Y Y Y Y Y Y
    iPad 1 5.1.1 Y N Y Y Y Y Y Y Y N
    2 6.0 Y N Y Y Y Y Y Y Y N
    3 6.0 Y N Y Y Y Y Y Y Y N
    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 available.

    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 free Kenwood Music Control App for Android can be downloaded onto your Android smartphone from the Android Market place. 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 Genre.
    • 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), Stylistic (Cool/Urban/Trance)
    • 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
    MP3 .mp3 8-320 kbps n/a
    PCM/WAV .wav n/a n/a

    Audio Section

    24 Bit D/A Converter: The Kenwood KDC-HD552U utilizes a 24-bit digital to analog converter for superior CD sound quality.

    MOSFET Amplifier: The Kenwood KDC-HD552U 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-HD552U 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

    3-Way Rotary Volume Control: The CD receiver uses a 3-way rotary volume control that increases and decreases the volume of the stereo from 0 to 35. The rotary knob also controls other audio settings such as Balance, Fader, Bass, Mid, Treble and preset EQ settings. In addition, the rotary knob allows you to scroll through and select your music tracks when the Music Search function is activated.

    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 source).

    Speaker Settings: The Speaker Setting function tailors the System Q Sound Control 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.

    Bass Boost: In addition, The Kenwood CD receiver features a Bass Boost control that can be set to the following levels (BB1, BB2 or Off).

    Loudness: This function enhances low and high frequencies to make the sound clearer lower volumes. There are 3 levels (LV1, LV2, or Off).

    Source Tone Memory: This feature allows you to store System Q bass, middle and treble tone settings for each source (CD, AM/FM, Aux, USB, iPod, and Pandora).

    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.

    6ch/2.5V Preamp Outputs: The KDC-HD552U 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 head unit.

    Front & Rear High-Pass Filter: The KDC-HD552U features an independent 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. This feature is very helpful when you have smaller-type speakers in the front and larger-type speakers installed in the rear of the vehicle.

    Subwoofer Controls: The Kenwood KDC-HD552U offers the following subwoofer controls, when you have the unit's subwoofer preamp output activated.

    • 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.

    Tel Mute: The KDC-HD552U features a cell-phone mute wire (tan) 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.

    Key Beep: The in-dash head unit provides an audible beep to confirm button operation. This function can be turned On or Off.

    Display Features

    Detachable Face: The Kenwood KDC-HD552U features a single front loading CD face that detaches from the chassis to deter theft. The head unit includes a cloth pouch for storing the face-plate when detached. A face-fixing screw is supplied for making the face non-detachable, if desired.

    Note: An optional soft face case (142DFC1X, sold separately) can also be purchased for this unit.

    Fluorescent Display: The Kenwood head unit features a single-line, 13-character, bluish-white backlit fluorescent display.

    Illumination Dimmer: The head unit's fluorescent display has two dimmers settings to adjust the brightness of the display according to the surrounding illumination. You can switch the display dimmer setting On or Off. The head unit's button illumination has an independent dimmer setting from the display which lets you set the button illumination dimmer to LVL1, LVL2, or Off. The Kenwood logo and eject button remain the same brightness.

    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.

    Remote Control

    Wireless Remote Control: The KDC-HD552U comes with an IR remote control (RC-405) 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.

    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 an optional steering wheel audio control adapter (sold separately). Please consult Crutchfield's Outfit My Car to see if your vehicle is compatible.

    Our Product Research Team

    At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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