The DEH-P6600 CD receiver shows off with Pioneer's stunning Organic EL animated display. It uses full-motion 3-D graphics for eye-catching, animated backgrounds. With 15 brightness levels and a wide viewing angle, you'll be able to see it from nearly anywhere in the car and at any time of day.

Easy EQ, Sound Focus EQ, and EQ-EX give you tons of sound tuning capability. Easy EQ has six preset tone curves and a 3-band parametric equalizer. Sound Focus EQ enhances the soundstage in the front of the vehicle by clarifying the sound of the vocals and instruments up front, while boosting the bass in the rear. EQ-EX boosts the current Easy EQ setting, for more powerful sound.

The MOSFET50 internal amp will easily keep you rockin' all night with its 4-way high power (22 watts RMS x 4). Three sets of preamp outputs with built-in crossovers help you optimize the performance of your outboard amps, speakers, and subs.

The OEL display has lots of room for text, so it's especially handy if you have XM satellite radio. You get two lines of 16 characters each for showing the artist and song info. For details longer than 16 characters, the display scrolls up to 32 characters.

Product Highlights:

  • detachable, fold-down face
  • Organic EL display
  • soft-key variable controls
  • plays CDs, CD-Rs, and CD-RWs
  • Supertuner IIID
  • 18 FM/6 AM presets
  • Easy EQ — five preset EQ curves with 3-band tone adjustment
  • EQ-EX — boosts Easy EQ settings
  • Sound Focus EQ
  • loudness
  • XM Radio-ready (XM Radio subscription, tuner, antenna required to receive the satellite radio signal) — service is available only in the lower 48 states, not available in Alaska, Hawaii, or U.S. territories
  • CD changer controls
  • MOSFET50 internal amp
  • front, rear, and subwoofer preamp outputs
  • low-pass and high-pass filters
  • optional auxiliary input
  • wireless remote
  • clock
  • 22 watts RMS/50 peak x 4 channels
  • CD frequency response 5-20,000 Hz
  • CD signal-to-noise ratio 94 dB
  • FM sensitivity 9 dBf
  • warranty: 1 year
  • Our 60-day money-back guarantee

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/Changer controller receiver with 10-amp fuse inserted into chassis
  • Sleeve
  • Trim ring
  • Face
  • Hard plastic face case
  • Wiring harness
  • CXC3173 Wireless remote control
  • 1 CR2025 lithium battery
  • 2 Extraction keys
  • 1 Release pin
  • 1 Rear support screw
  • 1 Rubber bumper
  • 4 Pan head ISO-mount screws
  • 4 Countersunk ISO-mount screws
  • 2 Fixing screws
  • 1 Left metal holder
  • 1 Right metal holder
  • Operation Manual (English/French)
  • Installation Manual (English/French)
  • Warranty sheet
  • Tag note
  • "About the Demo Mode" note

Product Research

Features
Changer Controls
Note

Features

Organic EL Display: The OEL display features incredible brightness, clear readability, wide-angle viewing and full-motion 3D graphics. Because OEL creates its own electroluminescent light, its brightness is resistant to washing out in sunlight.

Entertainment Display Modes: You may select one of the following 10 Entertainment Display Modes: Source Icon Display, Background Visual 1 (rows of squares in motion), Background Visual 2 (expanding circles of light), Background Visual 3 (moving light pattern), Background Visual 4 (moving pattern of circles), Level Indicator 1 (two analog VU meters), Level Indicator 2 (two level meters), Movie Screen 1 (swimming dolphins), Movie Screen 2 (flying jets), or Entertainment Clock (clock bordered by two motion displays and a moving atomic symbol).

Display Brightness: The display brightness can be adjusted from 0 to 15.

Demo Modes: This unit has a Reverse Demo Mode and a Feature Demo Mode. In Reverse Demo Mode, if you do not perform an operation for a period of 30 seconds, the display begins reversing colors. It continues reversing colors every 10 seconds until a button is pushed. When the unit is turned off, the Feature Demo Mode is activated. The Feature Demo Mode displays the unit's different features and capabilities using moving graphics.

Soft Key Operation: In Operation Mode 2, four of the head unit's keys become "soft keys". As you navigate the head unit's menu system, the "soft key" functions change as indicated on the display.

MOSFET50 Internal Amplifier: This receiver is equipped with a 50 watts x 4 (peak) MOSFET amplifier for low distortion, high power output. The amplifier is strong enough to power small subwoofers to moderate volume levels in compact cars and pickups. For higher volume levels from subwoofers, an optional amplifier may be connected to the preamp outputs.

XM Satellite Radio Tuner Compatible: This unit can control an optional Pioneer XM tuner (sold separately). XM Satellite Radio programming features 100 channels of digital-quality music, news, talk, sports, entertainment, and children's programming. For a monthly subscription fee, you will be able to receive the XM signal in your car using an optional XM antenna and tuner.

Easy EQ Curves: This model has "SUPER BASS", "POWERFUL", "NATURAL", "VOCAL", "CUSTOM", and "FLAT" preset EQ curves. The "CUSTOM" curve is one that you create and store in memory. A separate "CUSTOM" curve can be created and stored in memory for each source.

EQ-EX: This feature allows you to boost the current EQ setting for even more powerful sound.

3-Band Parametric Equalizer: This unit includes a 3-band parametric EQ with Selectable Q Factor. You may select a low (40, 80, 100 or 160Hz), mid (200, 500, 1k or 2kHz) and high frequency (3.15k, 8k, 10k or 12.5kHz) to boost or cut within a range of -6dB to +6dB. The Q factor (slope of the boost or cut) may be selected from one of the following four options: 2N (narrow), 1N, 1W and 2W (wide). Selecting a narrow (steep) Q factor results in frequencies around the center frequency to be affected less by the boost or cut than they are with a wide Q factor. This feature is useful for taming frequency response problems caused by the dimensions, materials and speaker locations of a vehicle.

Selectable Bass and Treble Cut-off Frequencies: The cut-off frequencies for the bass and treble controls can be set independently of the 3-band parametric equalizer adjustments. The bass cut-off frequency can be set to 40Hz, 63Hz, 100Hz or 160Hz. The treble cut-off frequency can be set to 2.5kHz, 4kHz, 6.3kHz or 10kHz. The bass and treble controls have an adjustment range of -6 to +6.

Sound Focus Equalizer (SFEQ): The SFEQ feature is made to enhance the soundstage in the front of the vehicle by increasing the clarity of vocals and instruments. There are two primary SFEQ modes ("FRT1" and "FRT2"), and there is a "CUSTOM" mode. The "FRT1" mode boosts the treble on the front outputs while boosting the bass on the rear outputs; when this mode is selected, treble adjustments affect the front channels only, and bass adjustments affect only the rear channels. The "FRT2" mode boosts the treble and bass on the front outputs while boosting only the bass on the rear outputs; when this mode is selected, treble adjustments affect the front channels only, and bass adjustments affect the front and rear channels. You may select "HI" or "LOW" operation for the "FRT1" and "FRT2" modes; the "HI" setting of each mode provides a more pronounced effect than the "LOW" setting. If you adjust the bass or treble setting while an SFEQ mode is on, the adjustment is applied to the selected SFEQ mode and that setting is kept in memory as the "CUSTOM" SFEQ mode. The SFEQ feature also includes a seating position setting that helps tailor the sound to where people are sitting in the vehicle. 

Adjustable Loudness: You can select "Low", "Mid" or "High" for different levels of loudness compensation.

Source Level Adjustment (SLA): This function lets you adjust the volume level of each source to prevent radical changes in volume when switching between sources. Settings are based on the volume level of the FM tuner, which remains unchanged.

High-pass Filter: When you don't want sound in the subwoofer frequency range output from the front and rear speakers, you may activate the built-in high-pass filter. You may select a filter frequency of 50Hz, 80Hz, or 125Hz.

Subwoofer/Non-fading Preouts: In addition to the front and rear preamp outputs, there is one set of outputs that may be set for "subwoofer" or "non-fading" output. When set to "non-fading", the signal is full range and the output level is user selectable from -6 to +6. When set to "subwoofer", the outputs are non-fading, and they may be set for normal or reverse phase, 50Hz/80Hz/125Hz low-pass output, and the level is user selectable from -6 to +6.

Supertuner IIID AM/FM Tuner: The Supertuner IIID features Feed Forward Control, which avoids multi-path interference. This pre-detection of interference enables quick filter control and results in less distortion. In addition, the Supertuner IIID creates enhanced stereo during multi-path interference, unlike conventional tuners that collapse to mono.

CD-R/CD-RW Skip Function: Some CD-R/W recorders allow you to assign skip ID tags to tracks that you never want to hear. When a track has been assigned a track skip ID, compatible units will recognize the skip ID information and skip over that track. This player recognizes track skip IDs, so CD-R and CD-RW discs with skip ID information will be played back as intended.

Disc Title Memory: Titles of up to 10 characters each can be entered into memory for up to 48 discs. When a compatible changer is connected, titles of up to 10 characters each can be entered into memory for up to 100 discs in the changer.

Optional Aux Input: When used with item 130CDRB10 (sold separately) or item 130CDRB20 (sold separately), this unit can accept input from an auxiliary source, such as a portable CD or MD player. When item 130CDRB10 is used, a CD changer cannot be connected to this unit. Item 130CDRB20 allows you to connect an optional Pioneer CD changer and an auxiliary source to this unit.

Dimmer Feature: This unit is equipped with a wire that Pioneer calls an illumination lead, however, it acts as a dimmer lead. When the illumination wire of this unit receives power and the dimmer feature has been turned on in the "Initial Setting" menu, the display will dim to a preset level. When the power and constant wires are connected and the illumination wire is supplied with voltage (when you turn your lights on), the button illumination remains on even if the unit is turned off completely.

Cellular Mute: This feature mutes or attenuates the unit's audio output when a cellular call is received, then restores the level once the call is over. To use this feature, you must have a cellular phone with a muting output that can be connected to the muting input wire (yellow/black lead) of this unit.

Warning Tone: If the front panel is not detached from the head unit within 5 seconds of turning off the ignition, a warning tone will sound. This feature can be turned On or Off.

Changer Controls

ITS (Instant Track Selection) Programming: The ITS function can be used to program automatic playback of up to 99 tracks per disc for up to 100 discs. With changers sold before the CDX-P1250 and CDX-P650, up to 24 tracks can be stored in the playlist.

Disc Title Memory: Titles of up to 10 characters each can be entered into memory for up to 100 discs. 

Disc Title List: This feature allows you to display disc titles that you have entered. From the list, you can select a disc for playback.

CD Text Display: When used with a CD Text compatible Pioneer CD changer, this unit will display the titles of CD Text encoded discs that are played in the changer. When playing a CD Text disc on a CD Text compatible changer, you cannot switch to the Disc Title Input mode. CD Text disc titles, artist names and track titles longer than 16 characters may be scrolled to reveal the entire string of text.

CD Sound Quality Adjustment: Using the "COMP" (compression) and "DBE" (dynamic bass emphasis) functions, you can adjust the playback quality of the changer. Each function may be set to one of two levels or off. The "COMP" function compresses the audio signal to eliminate distortions caused by the imbalances between the loudest and softest sounds when played at high volumes. The "DBE" function boosts bass frequencies to give your music a more full sound.

Note: For these functions to work, they must be supported by the Pioneer CD changer.

Note

Display Illumination/Clock Display: When the Time Display has been turned on, pressing and holding the source button turns off audio output, but the clock display remains on. When the Time Display has not been turned on, pressing and holding the source button turns the unit off completely. This unit's clock is "keyed" only when the Time Display has been turned on. When the Time Display has not been turned on, the unit is off, and power is supplied to the power and constant wires, nothing illuminates.

Note: When the power and constant wires are connected and the illumination wire is supplied with voltage (when you turn your lights on), the button illumination remains on even if the unit is turned off completely.

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.

Pioneer DEH-P6600 Reviews

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Pioneer

Written By Scottie, Carmi Ill on Saturday, March 29, 2008

Before this head unit got discontinued I bought it and it was amazing i got stock speakers in my 02 toyota and it sounds like i got 2 8" subs in there if u could find this cd player i would buy it

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