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Alpine CDA-9827

CD/MP3/WMA receiver

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  • Alpine CDA-9827

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Item #: 500CDA9827
 

Review Summary

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Our take on the Alpine CDA-9827

by Robert Ferency-Viars
Alpine

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.

Not only does Alpine's CDA-9827 CD receiver play your MP3 and WMA discs, but it uses MediaXpander to improve how they sound by filling in some of the sonic gaps created by data compression. The Quick Search keys make it easy for you to pick the next song without interrupting the current tune! And when it's time to switch, you won't be left waiting at the light — the internal processor finds the next track with amazing speed.

This silver and blue beauty features a strong built-in MOSFET amplifier that'll make all your music sound great. And Bass Engine® lets you choose the bass and treble center frequencies, adjust the width of the bass boost, and fine tune the subwoofer level, so you can compensate for the sonic imperfections of your vehicle's interior.

Planning to expand your system? The CDA-9827's got you covered. Three sets of 4-volt preamp outputs are ready to provide signal to your outboard amps. You can open up your entertainment options by hooking up an Alpine CD or DVD changer, an XM Satellite Radio tuner (or SIRIUS), or even a Nokia cell phone. A wireless remote control allows you (or your passengers) to make system adjustments while you keep your eyes on the road.

See more info on this item

Highlights:

  • detachable face
  • silver and blue cosmetics
  • plays CDs, CD-Rs, and CD-RWs
  • plays MP3 and Windows Media (WMA) files
  • displays CD Text, MP3 and WMA titles
  • MaxTune tuner
  • 12 FM/6 AM presets
  • Bass Engine (bass center frequency, width, and level, plus treble center frequency and level adjustments)
  • MediaXpander
  • XM and SIRIUS Satellite Radio controls
  • CD changer controls for Alpine Ai-NET changers only
  • optional auxiliary input
  • MOSFET internal amp
  • 4-volt front, rear, and subwoofer preamp outputs
  • MobileHub (allows receiver interface with a Nokia 6310i cell phone)
  • clock
  • wireless remote
  • 18 watts RMS/50 peak x 4 channels (CEA-2006 Compliant)
  • CD frequency response 5-20,000 Hz
  • CD signal-to-noise ratio 105 dB
  • FM sensitivity 9.3 dBf
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
CEA-2006 Compliant
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RMS Power Output
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18 watts
Peak Output
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50 watts
RMS Power Bandwidth
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N/A
Preamp Outputs
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6-channel
Sub Preamp Outputs
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Yes
Switchable Rear Preamp Outputs
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Preamp Voltage
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4 volts
Display Color
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Blue/White
Key Button Color
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Blue, Green and Red
EQ Bands
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None
Wireless Remote
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Yes
Steering Wheel Control Compatible
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Parts Warranty
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1 Year
Labor Warranty
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1 Year
Expandability
AUX Input
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Optional
USB Input
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Memory Card Slot
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No
Bluetooth Compatible
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Satellite Radio Ready
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XM
HD Radio
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Navigation
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iPod Compatibility
Full size
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Nano
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Touch
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Mini
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iPhone
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Tuner
FM Sensitivity
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9.3 dBf
European Tuning
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Yes
Seek/Scan
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Seek
Radio Data System
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No
Product Research
What's in the box?

Download owner's manual

  • AM/FM/CD/Changer controller receiver
  • Sleeve
  • Face
  • Hard plastic face case
  • Trim ring
  • Wiring harness with in-line fuse/fuse holder
  • RUE-4187 Wireless remote control
  • 2 "AAA" batteries
  • 4 ISO-mount screws
  • Owner's Manual (English/French/Spanish)
  • Customer Care Registration card

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 open the box, verify contents, 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.

Features
Changer Controls
Clock Display Note

Features

Blackout Display Mode: When the Blackout mode is activated, the display turns off to reduce power consumption. The additional power made available by turning off the display helps enhance sound quality.

Bass Engine: Bass Engine functions provide control over your system, so you can tailor the sound to your personal tastes. Bass Engine includes the following functions:

  • Bass Center Frequency Control: To tailor bass response to your preference, you may select the bass control's center frequency. You may select from the following center frequencies: 60Hz, 80Hz, 100Hz, or 200Hz.
  • Bass Width Control: You may choose from four band width (Q-Factor) settings for the bass control; the bass control can be set to affect a wide or narrow band of frequencies.
  • Bass Type: You may choose from the following Bass Type settings: Type 1, Type 2, or Type 3. Type 1 will sound best if you have a subwoofer in your system. Use Type 2 or Type 3 if you are using small diameter speakers.
  • Treble Center Frequency Control: To tailor treble response to your preference, you may select the treble control's center frequency. You may select from the following center frequencies: 10kHz, 12.5kHz, 15kHz, or 17.5kHz.
  • Subwoofer Level Control: The level of the subwoofer preamp outputs can be adjusted to balance the output of your subwoofer with that of your other speakers.

MX (MediaXpander): The CDA-9827 features the MediaXpander function, which is offered on Bass Engine Pro, Bass Engine Plus, and some Bass Engine models. The MediaXpander function makes vocals or instruments sound distinct by restoring sound quality typically lost during recording or transmission; this function helps restore audio information that becomes obscured when audio is compressed. The MX function can be applied to all sources, except AM radio. There are three expansion modes for each internal source (CD, FM, MP3/WMA/XM), and each source can have its own setting. There are only one or two expansion modes available for external sources.

MP3/WMA Playback: This unit can play CD-ROM, CD-R, and CD-RW discs containing MP3/WMA files recorded using the ISO 9660 Level 1 or Level 2 formats. MP3 files with constant and variable bit rates from 8 kbps to 320 kbps and WMA files with constant and variable bit rates from 32 kbps to 192 kbps are supported. Discs recorded using Joliet or other ISSO 9660 compliant formats can be played, but file and folder names will not be displayed correctly. CD-ROM XA, Mixed Mode CD, Enhanced CD (CD-Extra) and multi-session recordings are supported, but recordings made using Track At Once or packet writing cannot be correctly played back. Discs containing both standard CD audio and MP3/WMA data can be played; the unit may be set to play only the CD audio tracks or both types of tracks. ID3 tag v1 and v2 are supported; track title, artist name and album name ID3 tag data can be displayed.

Disc and Station Titling: Titles of up to 8 characters in length may be entered for up to 18 radio stations and 18 CDs.

XM Radio Ready: An optional XM Satellite Radio tuner may be connected to, and controlled by, this unit. The optional tuner, along with an antenna and subscription, allows you to receive XM Satellite Radio. XM Satellite Radio programming features up to 100 channels of digital-quality music, news, talk, sports, entertainment, and children's programming.

Auxiliary Input Ready: With the addition of the optional KCA-121B Ai-NET/RCA interface cable, the KCA-801B auxiliary input adapter, or the KCA-410C Versatile-Link Terminal, the audio from an auxiliary source can be played through this unit. When the KCA-121B interface cable is used, a CD changer cannot be connected to the head unit; the KCA-801B auxiliary input adapter allows you to connect an auxiliary source and an Ai-NET changer to the head unit. The KCA-410C Versatile-Link Terminal allows you to feed audio from up to two auxiliary sources and two Ai-NET CD changers to the head unit.

MobileHub Link: Using the MobileHub Link, you can connect an optional Junction Box and a Nokia 6310i tri-band GSM cellular phone, allowing you to control the incoming and outgoing calls from the head unit. 

Power Off: When an external amplifier is connected and the built-in amplifier is not used, removing power from the built-in amplifier will improve the sound quality.

Changer Controls

Compatibility: This unit is compatible with 6- and 12-disc Alpine Ai-NET CD changers; also, this unit can control Alpine Ai-NET CD/MP3 changers and DVD changers. Alpine M-Bus CD changers cannot be controlled by this unit. 

Multiple Changer Control: With the addition of an optional adapter, more than one CD changer can be controlled. One KCA-400C adapter will allow you to connect up to 4 CD changers, and two KCA-400C adapters will allow you to connect up to a total of 6 CD changers. The KCA-410C Versatile-Link Terminal can be used to connect up to two CD changers and two auxiliary audio sources.

Text Display: When connected to a text capable changer, this unit can display text data from CD Text encoded CDs and MP3 CDs.

Disc Titling: When connected to a CD changer with disc title memory, CD titles may be entered and displayed for discs played in the changer. The title length and title capacity varies depending on the model of CD changer used; titles cannot be input for MP3 discs.

Clock Display Note

Clock Operation: This unit allows you to choose "keyed" or "unit on" clock operation. When the clock has been given display priority and the unit is turned off, the clock will be displayed whenever the ignition key is in the "on" or "accessory" position. If the clock is not given display priority, the clock is not displayed when the unit is off.

 
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Alpine CDA-9827 Reviews

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Filter by rating:
5 out of 5

Excellent head unit

Written By BB, NJ on Tuesday, January 13, 2009
 
Excellent product. Sounds great and has been very solid through many years of usage. Has not ever failed me.
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3 out of 5

MP3 capabilities lacking

Written By Jeff, Chicago, IL on Thursday, April 14, 2005
 
I bought this Alpine unit to replace my old Alpine specifically because I wanted to be able to play MP3s. I have been disappointed. It puts a huge gap in between MP3 tracks. While I am aware that MP3 is inherently not a "gapless" format, this player makes the problem far worse than necessary. It spins up the disc after each track ends (as though you're in shuffle mode with a regular CD), rather than cuing up the next song BEFORE the current song ends, resulting in a gap that can last a full second or two. That is an eternity when you're listening to two tracks that are supposed to be seamless. This is a problem across the board with any manufacturer, mind you, but Alpine seems worse than others. Pioneer, for instance, puts much less of a gap between tracks with their players. Also, no car MP3 players that I know of support playlists or cue sheets. For now, I can only hope that some future generation of MP3 players will solve these ridiculous shortcomings.

My other complaint with this unit (and any unit that has simple LED-like readouts) is that the display is pretty much useless for ID3 tag information. I'm not sure why they even bother with all of the different ID3 display options. If you want to actually see anything more than the track number and elapsed time, you'd better get a player with a fancy screen.
4 out of 11 people found this helpful
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5 out of 5

Alpine CDA-9827

Written By Jason, North Branford, CT on Friday, February 25, 2005
 
The best head unit I have ever had ! Great sound and features. This head unit has yet to fail on me. I have had this head unit for over year.
4 out of 4 people found this helpful
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5 out of 5

AWESOME SOUND

Written By dgjr, temple,tx on Friday, February 18, 2005
 
I replaced a Pioneer 4600 with this Alpine CDA-9827. The sound is HK like. BASS engine is amazing. 4volts pre-out place this unit ahead of some 2005 Alpine models. BUY IT WHILE YOU CAN!!!!!!
16 out of 19 people found this helpful
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For a more in-depth review and enhanced detailed information on the Alpine CDA-9827, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_500CDA9827/Alpine-CDA-9827.html ).