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Talk hands-free, plus stream music with Bluetooth®
Other devices may come and go, but one thing's for sure — you never leave home without your phone. The Alpine CDE-133BT CD receiver lets you talk hands-free, plus stream music from a compatible phone, all without messy wires.

Advanced Bluetooth features
Have you ever tried to talk to someone, but been unable to understand them because their in-car Bluetooth just didn't cut it? Your callers will hear you loud and clear with the CDE-133BT fielding your calls. First, you can mount the included microphone somewhere in front of you so it'll have no problem picking up your voice. Next, the receiver lets you adjust the mic's gain to best match your speaking voice. You can also tweak the phone output and ring volume, so you won't go diving for the volume knob every time someone calls.

When a call comes in, you'll see your caller's phone number on the screen. You can answer the call by tapping the CDE-133BT's phone button, or set up the receiver to answer all calls automatically. If someone else calls in, just tap the "2" key to activate call waiting.

Stream your tunes, too
If your phone or another device supports Bluetooth music streaming, you can beam your tunes and control playback with the CDE-133BT. Alpine's Sound Expansion technology helps your streaming tunes sound their best.

Great for your iPod® and iPhone®
You can use the CDE-133BT's controls to navigate your iPod's music library, thanks to a convenient front-panel USB input. The person riding shotgun will love Passenger Control Mode, which lets them play DJ while you focus on driving. And let's not forget about what made Alpine famous in the first place — great sound quality. You can adjust your sound to taste with one of the ten equalizer presets or by using the 3-band parametric EQ.

Want to keep your steering wheel controls?
In most vehicles, you can use an adapter (not included) to connect your vehicle's steering wheel controls to this Alpine stereo. Connect a few wires, then program the adapter for your particular car and the Alpine, and you'll retain the convenience of your steering wheel controls. Check the "Accessories" tab for compatible adapters.

Bluetooth note: Use of this receiver's Bluetooth features will depend upon your phone's Bluetooth capabilities. Learn more in our article explaining Bluetooth profiles.

iPod note: If you're going to use your iPod with this receiver, be sure to check "Details" for specific iPod model compatibility with this receiver or its optional iPod adapter.

Note: Sorry, Crutchfield cannot ship Alpine products to Guam or Puerto Rico.

Product Highlights:

    General features:
    • CD receiver with AM/FM tuner
    • built-in MOSFET amplifier (18 watts RMS CEA-2006/50 peak x 4 channels)
    • built-in Bluetooth for hands-free calling and audio streaming
    Audio features:
    • 3-band parametric equalizer with ten presets
    Expandability:
    • inputs: front USB port, front auxiliary input
    • outputs: 2-channel preamp outputs (2-volt front/subwoofer)
    Other features and specs:

    Why replace your factory radio?

    Two good reasons - sound quality and cool features. A new car stereo offers power that's superior to most factory radios, along with more sophisticated tone controls. And most car stereos offer built-in or optional features that add safety and fun to life in your car, including inputs for your iPod or MP3 player, Bluetooth connectivity for hands-free cell phone calls, satellite radio or HD Radio reception, and connections for building an audio system in your car.

    Hands-on research

    What's in the box?

    Download owner's manual

    • AM/FM/CD receiver (with 10A ATC fuse inserted in chassis)
    • Face (attached)
    • Wiring harness
    • Sleeve (installed)
    • Trim ring (installed)
    • Microphone (with attached 13' cable terminated by a right-angle 3.5mm connector)
    • Microphone clip
    • Hard plastic face case
    • 4 Flat-head ISO-DIN screws (M5 x 8mm)
    • 2 Radio removal tools
    • Face-fixing screw
    • Owner's Manual CD-ROM
    • Quick Reference Guide (Eng/Fre/Spa)
    • System Requirements (for CD-ROM)
    • Online Product Registration card

    Features and Specs

    General
    CEA-2006 Compliant Yes
    RMS Power Output 18 watts
    Peak Output 50 watts
    RMS Power Bandwidth 20-20kHz
    Preamp Outputs 2-channel
    Sub Preamp Outputs No
    Switchable Rear Preamp Outputs No
    Video Screen No
    Preamp Voltage 2 volts
    Display Color White
    Key Button Color Blue
    EQ Bands 3
    Wireless Remote Optional
    Steering Wheel Control Compatible Adapter required
    Parts Warranty 1 Year
    Labor Warranty 1 Year
    Expandability
    AUX Input Front
    Audio/video Input
    USB Input Front
    Memory Card Slot USB memory
    Bluetooth Compatible Built-in
    Satellite Radio Ready No
    HD Radio No
    Navigation ---
    iPod Compatibility
    Full size Classic/5Gen
    Nano 7/6/5/4/3/2/1
    Touch 5/4/3/2/1
    Mini No
    iPhone 5/4S/4/3GS/3G/2G
    Tuner
    FM Sensitivity 9.3 dBf
    European Tuning No
    Seek/Scan Seek
    Radio Data System No

    Product Research

    Built-in Bluetooth
    USB/iPod/Aux Connectivity
    Disc Playback
    Audio Section
    Radio Functions
    Display Features
    Remote Control

    Built-in Bluetooth

    Bluetooth Plus (powered by Parrot): The Alpine CDE-133BT features built-in Bluetooth technology powered by Parrot. The CDE-133BT supports Bluetooth (version 3.0) hands-free communication & audio streaming for the iPhone & other Bluetooth-enabled mobile phones/devices. Hands-free communication is possible from the Alpine head unit when using a HSP (Head Set Profile) & HFP (Hands-Free Profile) compatible Bluetooth enabled mobile phone. Wireless audio streaming is possible from the CDE-133BT when using a A2DP (Advanced Audio Distribution Profile) & AVRCP (Audio/Video Remote Control Profile) compatible Bluetooth enabled mobile device.

    Pairing: The Alpine CDE-133BT can be paired to up to five Bluetooth enabled mobile devices (only one device can be used at a time). Not all Bluetooth mobile phones will be compatible. 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 CDE-133BT features a noise cancellation function to ensure that your calls are heard clearly. You can adjust the microphone's volume level from 0 to 7. You can also mute the microphone, so your voice will not be heard by the caller. The external microphone measures 0.5625" (diameter) x 1.625" (deep).

    Placing Calls: The Alpine CDE-133BT provides a variety of functions for placing a phone call without using your mobile phone. The Alpine CDE-133BT 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.

    Receiving Calls: The Alpine CDE-133BT 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.

    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-133BT can give you a notification on the display with a blinking mail icon indicator for 30 seconds while receiving a text message. The mail icon indicator will remain on if there is an unread message on a connected mobile phone. You cannot send a text message using the head unit's controls.

    Audio Streaming: The Alpine CDE-133BT 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).

    Note: 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-133BT'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 speaker.
    • F-R: The sound is only output from the front right speaker.
    • F-LR: The sound is output from the front left and front right speakers.

    USB/iPod/Aux Connectivity

    USB Port: The Alpine CDE-133BT 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) music files formatted in FAT 12/16/32. ID3 tags (v1, v2) are supported; track title, artist name, and album name ID3 tag data 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 WMA/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 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. The Alpine CDE-133BT offers audio playback, music navigation, information display, & charging of select iPod/iPhone models.

    iPod/iPhone Audio Playback (with DAC bypass): The Alpine CDE-133BT 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 touchscreen.

    • Head Unit: The Alpine CDE-133BT 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, iHeartRadio, SiriusXM, Last.fm, Rhapsody, & 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-133BT 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 information.

    iPod Charging: The head unit's USB connection provides 1A of current to power and charge your connected iPod/iPhone when you