Disc & USB
Audio & Tuner Section
Display & Remote Features
Disc & USB Playback
Disc Compatibility: The unit features a single disc player
that will playback CD-Audio and finalized CD-R/CD-RW audio discs. The unit also
supports playback of MP3/WMA music files loaded onto CD-R/RW discs.
Front-Panel USB Port: The Alpine CDE-151 features a
front-panel USB (type-A) port that is hidden behind a flip-out cover. The USB
port enables connection of a portable USB mass-storage class (MSC) devices, such
as select portable digital audio players or USB thumbdrives.
The USB port supports audio playback and control of MP3/WMA 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 port (max. 1A), and the vehicle's ignition switch is set to ACC
Note: The head unit's USB port is not compatible with Android
MP3/WMA Playback: The Alpine CDE-151 supports the
following types of MP3/WMA files recorded onto CD-R/RW disc or loaded onto a USB
mass storage class device.
|Media Type ||CD-R/RW||USB MSC|
|File System||ISO 9660
Level 1/2, Joliet, Romeo||FAT 12/16/32|
|Playable File Types|| MP3:
bit rate of 8-320 kbps w/ sampling frequency of 8, 11.025, 12, 16, 22.05,
24, 32, 44.1, 48 kHz|
WMA: bit rate of 32-192 kbps w/ sampling frequency of 32, 44.1,
|Maximum # of Folders/Files||255 folders/509 files||100 folders/100 files
(ver.1.0/1.1/2.2/2.3/2.4), WMA tags|
Text/File/Folder Search: When you are playing a disc or USB
device with ID3 or WMA tags, you can easily search for a track, file, or folder
by its title. Once you have activated the search mode, you can use the rotary
encoder to quickly scan through the titles to locate the desired track. For
discs and USB devices without ID3 or WMA tags, searches are made using the track
numbers associated with each song.
Playback Modes: The Alpine CDE-151 offers Repeat and
Random playback modes.
- Repeat: Repeat Play (repeats playback of current
track/file), Folder Repeat (repeats only files in current folder).
- Random: Random Play (all tracks/files on disc are
played in random order), Folder Random (only files in current folder are
played back in random order).
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. When a CD is ejected and left
sticking out of the CD slot for 20 seconds, the unit automatically reloads the
CD to protect if from damage.
Angle Mounting: For proper CD playback, Alpine recommends
mounting the CDE-151 no more that 35° above horizontal.
iPod Direct Connection: The Alpine CDE-151'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 CDE-151 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 Apline's KCU-445i dock
connector-to-USB cable (500KCU445I,
sold separately) or the dock connector-to-USB cable that comes with your
Apple device to connect your iPod/iPhone to the CDE-151.
- Lightning Connector: If you have a newer iPod/iPhone
with the Lightning-connector, you can use Alpine's KCU-471i cable (500KCU471I,
sold separately) or the Lightning-to-USB cable that
came with your Apple device to connect your iPod/iPhone to the CDE-151.
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).
Music Playback w/ DAC Bypass: The Alpine head unit supports
audio playback of stored music and music apps on your iPod or iPhone. 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 1-bit D/A
converter, allowing for a Signal to Noise ratio up to 105dB. You
can operate your connected iPod/iPhone via the head unit's front-panel controls
or from your Apple device's clickwheel/touchscreen.
- Head Unit: The Alpine CDE-151 lets you navigate the stored music
on your iPod/iPhone by Playlist, Artist, Album, Song, Genre, Podcast,
Composer, Audiobook, or Genius Mix. Content from each category is listed
For especially big music libraries, the Percentage Search function uses the
preset buttons for quick jumps to specific parts of the list (Preset 1: 0-16%, Preset 2: 17-32%,
Preset 3: 33-49%, Preset 4: 50%-66%, Preset 5: 67-82%, Preset 6:
83-100% of the song library). The head unit also offers three Shuffle
playback modes (Album/Song/All) and one Repeat mode (song). Newer iPhones
with iOS 6.0+ allow you to continue to use your Apple device's
touchscreen to access music apps; older iPod/iPhone devices will be locked during connection.
- App Direct: In App Direct Mode, you can navigate the stored
music on your iPod/iPhone device through its clickwheel or touchscreen; as
well as music apps on an iPhone (iOS 3.0+).
Basic playback functions, such as Play/Pause and Previous/Next Track are
available from the head unit. Not all apps
will be compatible with this 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.
Song/Artist Information: The Alpine CD receiver will
display your iPod/iPhone's music file information in Head Unit or App Direct
Mode. The CDE-151 will display Track Number, Elapsed Time, Artist Name,
Song/Album Title, and Station Identification for stored music and music apps.
iPod/iPhone Compatibility Chart: The Alpine CDE-151 is "Made
for iPod/iPhone" compatible and supports the following iPod/iPhone model
features (as of 8/29/2017):
|Apple Device||Generation||Tested Version||Media Type||Control Type||Display Type||Charge|
|Audio||Video||Head Unit||iPod/App||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
Auxiliary Input: The unit is equipped with front-panel
minijack (3.5mm) auxiliary input. You can input audio from an auxiliary source
unit: such as a portable MP3 player. You can change the name on the
display to match the type of device connected to the front panel input;
Auxiliary, TV, DVD, Portable, or Game.
Audio & Tuner Section
CEA-2006 Compliant: The
specifications given by Alpine for the built-in amplifier comply with the
CEA-2006 mobile amplifier power testing and measurement standards from the CEA
(Consumer Electronics Association). All manufacturers who comply with the
standard can display the CEA-2006 logo on their product.
- CEA-2006 Power Rating: 18 watts x 4 channels (at 4
ohms, 20-20kHz, 1% THD)
- Max Power Output: 50 watts x 4 channels
Note: Add the KTP-445 (500KTP445A,
sold separately) Head Unit Power Pack to deliver 45 watts x 4-channel RMS of
power. The KTP-445 is compact enough to install behind the Alpine CD
receiver. It plugs in-line with the head unit's wiring harness, so you don't
even need additional wires.
4ch/2V Preamp Outputs + Sub Control: The Alpine CDE-151
features two pair of 2.0-volt preamp outputs. The unit's rear preamp outputs can
be configured as fading rear-channel outputs or a non-fading subwoofer output.
When configured as a non-fading subwoofer preamp output, you can adjust the
subwoofer's volume, low-pass filter, & phase.
- Volume: There are two volume (system) modes for the
unit's subwoofer output.
- System 1: Subwoofer level changes according to the
main volume setting.
- System 2: Subwoofer level change is different from
the main volume setting (0-15); even at low volume settings, the
subwoofer is still audible.
- Low Pass Filter: The unit's subwoofer output low-pass
filter can be set to 60Hz, 80Hz, 120Hz, 160Hz, or Off (through).
- Subwoofer Phase: The subwoofer output phase can be set
to Normal (0°) or Reverse (180°).
Note: When an external amplifier is connected sound quality can be
improved by stopping the power supply of the built-in amplifier.
Equalizer: You can select from 11 different EQ presets to
get the best sound from all your sources. You can choose from Flat, Pops, Rock,
News, Jazz, Electric Dance, Hip-Hop, Easy Listening, Country, Classical, or
User. The User Preset activates the head unit's 3-Band
Parametric Equalizer for a better sound response curve. Bass, Mid, & Treble can
be adjusted in the 3-Band Parametric mode.
|Bass||60Hz, 80Hz, 100Hz, or
120Hz ||Wide 0.5, Medium 1.0,
Medium 1.5, or Narrow. 2.0 ||-7 to +7 (+/-14dB in
|Midrange||500Hz, 1.0kHz, 1.5kHz, or 2.5kHz ||Wide 0.75, Medium 1.0, Medium 1.25, or Narrow 1.5||-7 to +7 (+/-14dB in 2dB steps)|
10kHz, 12.5kHz, or 15kHz||Wide 0.75
or Narrow 1.25 ||-7 to +7
(+/-14dB in 2dB steps)|
Note: The units stores independent EQ settings for each source
(Disc, Tuner, Aux, USB, and iPod).
Audio Enhancements: The CDE-151 offers the following audio
adjustments to enhance your in-car listening experience.
- Bass Engine SQ: Bass Engine SQ tuning is a new feature
that changes bass sound characteristics by automatically adjusting different
combinations of EQ, Sub Level, and Crossover settings through the choice of
seven level adjustments (0-6).
- Loudness: Loudness introduces a special low frequency
emphasis (100Hz/10dB) at low listening levels to compensate for the ear's
decreased sensitivity to bass sound at low volume.
- Source Volume Level: The output level of each source
(Tuner, Disc, USB, iPod, Aux) is individually adjustable
from -14 to + 14 dB.
Beep Guide: This function will give audible feedback with
varying tones depending upon the button pressed. The volume of this feature can
be set from 0-7.
AM/FM Tuner: The Alpine CDE-151 features a built-in AM/FM
tuner with manual, seek, and preset tuning. The built-in tuner provides 12 FM and 6 AM
preset stations. Stations can be preset manually or automatically. Local seek tuning lets you tune in
only those radio stations with sufficiently strong signals for good reception.
Distance seek tuning allows both strong and weak stations to be tuned.
Display & Remote Features
Detachable Face: The unit's front-panel is detachable to deter theft
(no face case included). An optional soft face case
sold separately) can be purchased for this unit. A face-fixing screw is
supplied for making the face non-detachable, if desired.
Single-Line Display: This unit is equipped with a 1-Line
white-backlit LCD, so you can easily view AM/FM stations and ID-3/WMA
Text Display: The CD receiver will display the folder name, the file name, and the tag
information, while playing a USB device loaded with MP3/WMA music files. This unit can scroll the text information of MP3/WMA files, folder
names, and tags. There are two Text Scroll settings.
- Auto: The information of folder and file
names, and the tags are scrolled automatically.
- Manual: The display is scrolled when a when a
track is changed.
Note: This unit has a demonstration feature for its
display which can be turned On or Off in the menu.
Auto Dimmer: This unit is equipped with an illumination lead
(orange); when the unit's dimmer mode is set to Auto and the illumination lead
is connected to your vehicle's headlight circuit, the display and button
illumination will dim to a fixed, preset level whenever the headlights are
turned on. If preferred, you may choose the Manual dimmer mode setting, so the
display and button illumination is dim at all times.
Optional Wireless Remote: The Alpine CDE-151 is wireless
remote control ready. Simply add on the Alpine RUE-4202 IR remote (500RUE4202,
sold separately) to make it even easier to control the head unit's functions.