2-Line LCD Display: This unit is equipped with a 2-line
white-backlit LCD, so you can easily view AM/FM stations, CD-Text, & ID-3/WMA tag
Text Display: Text information, such as the disc name and
the track name, will be displayed if playing a CD text compatible disc. It is
also possible to display the folder name, the file name,& the tag
information, while playing a MP3/WMA disc or USB memory device.
Text Scroll: This unit can scroll the disc & track names
recorded on CD-Text disc, as well as the text information of MP3/WMA files, folder
names, and tags. There are two Text Scroll settings.
- Auto: The CD text information, the information of
folder and file names, and the tags are scrolled automatically.
- Manual: The display is scrolled when a disc is loaded
or when a track is changed.
Auto Dimmer: This unit is equipped with an illumination
lead; 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.
Demo Mode: This unit has a demonstration feature for its
display which can be turned On or Off in the menu.
2-DIN Chassis: The Alpine CDE-W235BT has a 2-DIN chassis
(also known as Double DIN), and will fit in many vehicles with a large dash
opening. The unit can be ISO-mounted using factory brackets, or Euro-mounted
using the supplied mounting sleeve. As always, please consult Crutchfield's
Outfit My Car to verify fit with your vehicle.
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 Playback: This unit can play CD-R and CD-RW discs
containing MP3/WMA audio files recorded using the ISO 9660 Level 1 or Level 2
formats. MP3 files with bit rates from 8-320 kbps are supported; WMA files with
bit rates from 32-192 kbps are supported. Up to a maximum of 255 folders & a maximum 510
files can be read from one disc. ID3 tags (v1/v2) and WMA tags are supported; track title,
artist name, and album name can be displayed.
Note: The head unit does not support AAC file
Text/File/Folder Quick Search: When you are playing a disc
with CD Text or ID3/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 without CD Text or ID3/WMA tags, searches are made using the track numbers
associated with each song.
Playback Modes: The Alpine CDE-W235BT offers Repeat and Random
- 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: 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: 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
Angle Mounting: For proper CD playback, Alpine recommends
mounting the CDE-W235BT no more that 35° above horizontal.
Bluetooth Plus (powered by Parrot): The Alpine CDE-W235BT
features built-in Bluetooth technology (v3.0), powered by Parrot. Parrot is the
global leader in wireless devices for mobile phones, for expanded compatibility
for many Bluetooth wireless technology enabled cell phones. The head unit's
built-in Bluetooth allows you to make and receive phone calls wirelessly through
the receiver; as well as stream music wirelessly from your smartphone to the
Bluetooth Profiles: In order to use Bluetooth wireless
technology, your phone must also be Bluetooth compatible and be able to
interpret certain profiles. This unit is compatible with the following Bluetooth
- Hands-Free Communication: HFP (Hands Free Profile), HSP
(Head Set Profile), OPP (Object Push Profile), PBAB (Phone Book Access
- Audio Streaming: A2DP (Advanced Audio Distribution
Profile), AVRCP (Audio/Video Remote Control Profile).
Pairing: The Alpine CDE-W235BT can be paired to up to three
Bluetooth enabled mobile devices (only one device can be used at a time). Due to the differences in Bluetooth technology,
some Bluetooth enabled devices may be incompatible, function improperly, or
may not support all features when used with the Alpine CDE-W235BT. Parrot
software updates provide support for future phones.
External Microphone with Noise Cancellation: The included
external microphone (with visor-clip) allows you to speak to the other party on
the telephone call hands-free, while the other party's voice is played through
your car stereo speakers. The external microphone is tuned and engineered to
reduce noise interference and feedback. This allows optimal placement in your
car, for the best possible sound quality. You can adjust the microphone's volume
level; and even mute the microphone, so your voice will not be heard by the
caller. The external microphone measures 0.5625" (diameter) x 1.625" (deep); and
features an attached 13' cable terminated by a right-angle male 3.5mm connector.
Receiving Calls: The Alpine CDE-W235BT provides a couple ways
to answer your phone calls without picking up your mobile phone. Incoming calls
are announced by a caller ring tone through your vehicle's speakers (music will
be muted) & a Caller ID message across your Alpine head unit's display.
- Manual Answer: Manually answer an incoming call by
pressing the "Phone" button on your Alpine head unit.
- Automatic Answer: Set the Alpine head unit to answer
the incoming call automatically; when a call is received, it is answered
automatically after approximately 5 seconds.
- Call Waiting: If a second call is received during a current call,
you can have the first caller wait momentarily while you take the second
call. When you are finished with one call, you can switch to the other.
Placing Calls: The Alpine CDE-W235BT provides a variety of
functions for placing a phone call without using your mobile phone. The Alpine
CDE-W235BT features full phone book access, call history, voice tag dialing, and
redial with compatible phones.
- Voice Dialing: If you have a voice-dial capable phone,
you can dial a phone contact by simply speaking the name of your contact.
- Phonebook (with ABC search): Up to 1,000 entries (5
telephone numbers for each name) can be downloaded from your compatible
mobile phone. You can select the first 3 call letters (ABC) to search for a
desired name in your phonebook.
- Preset Dialing: You can assign phone numbers that you dial
frequently to presets (1-6) for quick recall. You can assign up to six
frequently called phone numbers. A total of 18 phone numbers can be stored
in the preset memory (6 numbers for each mobile phone paired).
- Call History: The 80 previously dialed, received, or
missed numbers can be retrieved and dialed from memory.
Call Switch: This function allows you to initiate the transfer of
audio between your mobile phone and your car's speakers.
Text Message Alert: The CDE-W235BT can give you a
notification on the display with a blinking mail icon indicator for 30 seconds
while receiving a text message on your Bluetooth-enabled phone. The mail icon
indicator will remain on if there is an unread message on a connected mobile
phone. You must still read or create a text message from your mobile smartphone.
Audio Streaming: The Alpine CDE-W235BT can stream music from
you Bluetooth A2DP/AVRCP mobile device. Not only can it control & stream your
music through Bluetooth, it can process your music using its built-in DSP Sound
Expansion to ensure you get the best sound. Basic playback functions include -
Play, Pause, & Skip (Previous/Next). The head unit will also display your stored
music's song information; such as Artist name & Song/Album title. The CDE-W235BT
also supports audio streaming of music apps on your Bluetooth-enabled
smartphone, but without control or metadata. You will continue to use your
Bluetooth enabled smartphone to view and control streaming music apps. When an incoming call or outgoing call is in
progress from your Bluetooth enabled mobile phone, audio streaming will be
paused so you can take your call. Once the call is finished, your streaming
music will resume.
Bluetooth Firmware Update v01.27.00 is required for Bluetooth control
and song information display from an Apple iOS 6.0+ device.
Bluetooth Sound Quality Adjustments: You can customize the sound of
your Bluetooth hands-free experience to fit your own preferences. You can adjust the
CDE-W235BT's mic gain, phone output, & ring tone volume. If that's not enough,
there are 5 sound quality settings to choose from to get the balance just right
for you. This flexibility will make your phone calls a pleasurable experience.
- Volume Adjustments: You can emphasize or weaken the volume level
of phone call, the ring tone, and the microphone input to fit your own
preference. The Phone Talk Level, Ring Tone, & Mic Gain are all adjustable
between -5 to + 5 dB.
- Sound Types: This unit provides 5 methods to improve the sound
quality of your calls. You can choose the type according to your own
preference - Type 1 (standard mode), Type 2 (enhances noise reduction), Type
3 (enhances echo-cancellation), Type 4 (enhances both noise reduction & echo
cancellation), & Type 5 (weakens both noise reduction & echo-cancellation).
Speaker Output: You can select which car speaker outputs the
audio from your Bluetooth-enabled mobile phone/device.
- All: The audio will be output from all of the speakers
in the car
- F-L: The sound is only output from the front left
- F-R: The sound is only output from the front right
- F-LR: The sound is output from the front left and front
USB Port: The Alpine CDE-W235BT features a front-panel USB
type-A port, so you may connect a USB memory device to this head unit. Your
connected USB memory device may contain MP3 (8-320 kbps) and WMA (32-192 kbps) music files formatted
in FAT 12/16/32. ID3 tags (v1/v2) and WMA tags are supported; track title, artist name, and
album name can be displayed. This unit will recognized up to 100
folders and 100 files per folder. You can use the head unit's Quick
Search (text/file/folder) function to browse your USB device's music library.
Repeat (file/folder) & Random (all/folder) playback functions are also
supported. Your USB memory device's control will be locked once connected to the
Alpine head unit. 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: The head unit's USB port is not compatible with AAC files.
iPod/iPhone Direct Connection: You can connect your iPod or
iPhone to the head unit's front-panel USB port using the Alpine KCU-445i
iPod/iPhone cable (500KCU445I,
sold separately) or the iPod dock-connector cable which came with your
iPod/iPhone to get access to all of your iPod/iPhone's stored music, right from
the head unit. If you have a newer iPod, iPhone, or iPad device with Lightning
connector; use Alpine's KCU-471i cable (sold separately) or the Lighting-to-USB cable that came with your Apple device to
connect to the head unit. The Alpine CDE-W235BT offers audio playback, music
navigation, information display, & charging of select iPod/iPhone models.
iPod/iPhone Audio Playback (with DAC bypass): The Alpine
CDE-W235BT supports audio playback of music, podcast, and audiobook files stored
on your iPod or iPhone; as well as music apps streamed to your iPod/iPhone. The
USB connection allows your iPod/iPhone's large music libraries to be loaded
instantly to the Alpine head unit and sound quality to be maximized through the
head unit's 1-bit D/A converter (bypassing iPod/iPhone DAC), allowing for a
Signal to Noise ratio up to 105dB.
iPod/iPhone Control: Once your iPod/iPhone is connected, you
get convenient control of your iPod/iPhone's music library from the head unit.
You can also choose to control your iPod/iPhone from its clickwheel or
- Head Unit: The Alpine CDE-W235BT lets you navigate your
iPod/iPhone's music library by Playlist, Artist, Album, Song, Genre,
Composer, Podcast, or Audiobook. You can then search each category
alphabetically (A-Z). For especially big music libraries, the Percentage
Search function uses the head unit's preset buttons for quick jumps to
specific parts of the a Category (Preset 1: 0% to 16%, Preset 2: 17% to 32%,
Preset 3: 33% to 49%, Preset 4: 50% to 66%, Preset 5: 67% to 82%, Preset 6:
83% to 100% of the song library). The head unit also offers three Shuffle
playback functions (All/Album/Category) and Repeat playback function (song).
- iPod Passenger Control: In iPod Passenger Control 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 Pandora,
Slacker) from your iPhone (iOS 3.0+) through the Alpine 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.
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.
iPod/iPhone Display: The Alpine CDE-W235BT will display your
iPod/iPhone's stored music file information in Head Unit or iPod Passenger
Control mode. The head unit will display Track number, Elapsed playing time,
Artist name, Song title, & Album label. The unit will not display music app
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. If your iPod/iPhone has no initial battery charge,
then the unit will not recognize it.
iPod/iPhone Compatibility Chart: The Alpine CDE-W235BT is "Made
for iPod/iPhone" compatible and supports the following iPod/iPhone model
features (as of 9/19/2014):
| Apple Device || Generation || Tested Version || Media Type || Control Type || Display Type || Charge |
| Audio || Video || Head Unit || iPod/iPhone || Artist/Song Text || Track Info |
| iPhone || 2G || 3.1.3 || Y || N || Y || Y || Y || Y || Y |
| 3G || 4.2.1 || Y || N || Y || Y || Y || Y || Y |
| 3GS || 5.1.1 || Y || N || Y || Y || Y || Y || Y |
| 4 || 7.1.2 || Y || N || Y || Y || Y || Y || Y |
| 4S || 8.0 || Y || N || Y || Y || Y || Y || Y |
| 5/5C/5S || 8.0 || Y || N || Y || Y || Y || Y || Y |
| 6/6+ || 8.0 || Y || N || Y || Y || Y || Y || Y |
| touch || 1st || 2.2.1 || Y || N || Y || Y || Y || Y || Y |
| 2nd || 4.2.1 || Y || N || Y || Y || Y || Y || Y |
| 3rd || 5.1.1 || Y || N || Y || Y || Y || Y || Y |
| 4th || 6.1.2 || Y || N || Y || Y || Y || Y || Y |
| 5th || 8.0 || Y || N || Y || Y || Y || Y || Y |
| nano || 1st || 1.3.1 || Y || N || Y || N || Y || Y || Y |
| 2nd || 1.1.3 || Y || N || Y || Y || Y || Y || Y |
| 3rd || 1.1.3 || Y || N || Y || Y || Y || Y || Y |
| 4th || 1.0.4 || Y || N || Y || Y || Y || Y || Y |
| 5th || 1.0.2 || Y || N || Y || Y || Y || Y || Y |
| 6th || 1.2 PC || Y || N || Y || Y || Y || Y || Y |
| 7th || 1.02 PC || Y || N || Y || Y || Y || Y || Y |
| classic || 80GB || 1.1.2 || Y || N || Y || Y || Y || Y || Y |
| 120GB || 2.0.1 || Y || N || Y || Y || Y || Y || Y |
|| 2.0.4 || Y || N || Y || Y || Y || Y || Y |
| video || 5th || 1.3 || Y || N || Y || N || Y || Y || Y |
| iPad || 1 || 5.1.1 || Y || N || Y || Y || Y || Y || N |
| 2 || 8.0 || Y || N || Y || Y || Y || Y || N |
| 3 || 8.0 || Y || N || Y || Y || Y || Y || N |
| 4/air || 8.0 || Y || N || Y || Y || Y || Y || N |
| mini || 8.0 || Y || N || Y || Y || Y || Y || Y |
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.
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
- CEA-2006 Power Rating: 18 watts x 4 channels (at 4
ohms, 20-20kHz, 1% THD)
- Max Power Output: 50 watts x 4 channels
Preset EQ: You can select from 10 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, or Classical.
3-Band Parametric Equalizer: If the Equalizer presets aren't
enough for your listening taste, there's a 3-Band Parametric Equalizer you can
adjust for a better sound response curve. Bass, Mid, & Treble can be adjusted in
the 3-Band Parametric mode.
- Treble Control:
- Center Frequency: 7.5kHz, 10kHz (default), 12.5kHz,
- Width Q: Wide 0.75 or Narrow 1.25
- Level: -7 to +7 (+/-14dB in 2dB steps)
- Midrange Control:
- Center Frequency: 500Hz, 1.0kHz, 1.5kHz, or 2.5kHz
- Width Q: Wide 0.75, Medium 1.0, Medium 1.25, or
- Level: -7 to +7 (+/-14dB in 2dB steps)
- Bass Control:
- Center Frequency: 60Hz, 80Hz (default), 100Hz, or
- Width Q: Wide 0.5, Medium 1.0, Medium 1.5, or
- Level: -7 to +7 (+/-14dB in 2dB steps)
Loudness: Loudness introduces a special low & high frequency
emphasis at low listening levels to compensate for the ear's decreased
sensitivity to bass and treble sound at low volume.
Switchable Preamp Output: The unit is equipped with Front/SW
preamp output, which can be set to either a fading front-channel preamp output
or a non-fading subwoofer preamp output.
Subwoofer Control: When the non-fading subwoofer preamp
output is activated, you can adjust the subwoofer's volume, low-pass filter, &
- 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°).
High Pass Filter: The Alpine head unit is equipped with a
high-pass filter for its speaker-level output and front-channel preamp output
(when activated). You can set the unit's high-pass filter to 60Hz, 80Hz, 120Hz,
160Hz, or Off (through).
Source Volume Level: The output level of each source is individually
adjustable from -5 to + 5 dB.
AM/FM Tuner: The Alpine CDE-W235BT features a built-in AM/FM
tuner with manual, seek, and preset tuning.
Preset Tuning: The built-in tuner provides 12 FM and 6 AM
preset stations. Stations can be preset manually or automatically.
Local/Distance Tuning: 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.
Steering Wheel Remote Compatibility: The head unit features
an OEM steering wheel remote control input on the rear of the unit 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.
Optional Wireless Remote: The Alpine CDE-W235BT 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.