Detachable Face: The CDX-GT450U features a detachable face
for theft prevention. A face-fixing screw is supplied for making the face
non-detachable, if desired.
Note: No face case is included with this unit. An
optional soft face case (142DFC1X,
sold separately) can be purchased for this unit.
Caution Alarm: If you turn the ignition switch to the Off
position without detaching the front-panel, the caution alarm will sound for a
few seconds. The alarm will only sound if the built-in amplifier is used.
Black 1-Line LCD Display: The Sony Xplod CDX-GT450U features a
single-line black LCD with a negative display (white text) for viewing
Motion Display: This feature
shows moving patterns and a spectrum analyzer on the display when turned on.
Auto Scroll: This feature
allows long displayed items to scroll automatically across the display when the
track is changed on a disc.
Display Illumination/Clock Display: Pressing the Source/Off
button once will switch sources. Pressing and holding the Source/Off button for
one second will turn off audio output, but the clock display and button
illumination remain on. To turn the unit off completely, you must press and hold
the Source/Off button for two seconds.
Dimmer: The CDX-GT450U feature a dimmer mode to dim the
brightness of the display. You can choose from either "Dim On" or Dim Off".
Auto Off: When installing in a vehicle without an accessory power wire at the
radio location, you can set the unit to turn off all lighting a
set amount of time after you turn the power off. The Auto Off feature can be set to 30 seconds, 30 minutes,
60 minutes, or No.
True Fidelity Sound Construction: The Sony Xplod CDX-GT450U FM/AM compact disc player features a newly developed
sound processor for less distortion, an S-MOSFET IC for smooth signal
transmission, and a large-sized capacitor for deep bass sound.
Dynamic Reality Amp: The CDX-GT450U is equipped with Sony's
Dynamic Reality Amp to produce 3 dimensional sound staging for more realistic
sound inside your vehicle.
24 Bit D/A Converter: The Sony CDX-GT450U utilizes a 24-bit
digital to analog converter for superior CD sound quality.
CEA2006 Compliant Amplifier: The power specifications for
the Sony Xplod CDX-GT450U are compliant with the CEA2006 Mobile Amplifier Power
Testing and Measurement standards from the Consumer Electronics Association (CEA).
These standards were developed as a way to equitably compare power specs from
model to model and between manufacturers. The power output specs for the
CDX-GT450U are as follows:
- Continuous Power Output: 17 watts RMS x 4 channels (at 4 ohms,
20Hz-20kHz, 1% THD-N)
- Peak Power Output: 52 watts x 4-channels (208 total watts)
Two Pairs Of 2V Preamp Outputs: The CDX-GT450U contains two
pairs of 2-volt RCA preamp outputs - a front pair and another pair that can be
set for the rear channels or for subwoofer operation.
Subwoofer Controls: When the unit's subwoofer output is activated, the
preamp output becomes non-fading and a low pass filter is activated with a selectable
cut-off frequency of 50Hz, 60Hz, 80Hz, 100Hz, 100Hz, 120Hz, or
Off. You can also adjust the slope (1/2/3) of the high-pass crossover. You can adjust
the subwoofer preamp output's volume level independently from the headunit's
volume control from -10 to +10 in 1dB increments. In addition, you can select
the phase of the subwoofer output from Normal or Reverse.
High-Pass Filter: The front and rear speaker outputs offer a
selectable high-pass crossover frequency of 50Hz, 60Hz, 80Hz, 100Hz, 100Hz, 120Hz, or
Off. You can also adjust the slope (1/2/3) of the high-pass crossover.
Advanced Sound Engine: Sony's Advanced Sound Engine creates
an ideal in-car sound field with digital signal processing. Advanced Sound
Engine contains the following features: EQ7, Listening Position, DM+ Advanced,
Rear Bass Enhancer, and Dynamic Loudness.
- EQ7: You can select an equalizer curve from eight music
types - Xplod, Vocal, Edge, Cruise, Space, Gravity, Custom, or Off (Flat).
The Custom EQ7 mode allows you to make your own equalizer settings. You
can adjust the level (+/-6dB) of seven different frequency bands - Band1
(63Hz), Band2 (160Hz), Band3 (400Hz), Band4 (1kHz), Band5 (2.5khz), Band6
(6.3khz), and Band7 (16.0kHz).
- Listening Position: This unit can change the
localization of sound by delaying the sound output from each speaker to suit
your position, and simulate a natural sound field with the feeling of being
in the center of it wherever you sit in the car. You can choose from Front
Right, Front Left, Front Center, or Off. You can also set the subwoofer distance of the subwoofer
to Near, Normal, or Far
- RBE (Rear Bass Enhancer): RBE enhances the bass sound
by applying the low-pass filter setting to the rear speakers. This function
allows the rear speakers to work as a subwoofer even if there is no
- Dynamic Loudness: Dynamic Loudness refers to
compensating for volume level and signal gain.
- DM+ Advanced: DM+ Advanced improves digitally
compressed sound by restoring high frequencies lost in the compression
process (works only for USB).
Beep Tone: The in-dash headunit provides an audible beep to
confirm button operation. This function can be turned On or Off.
SSIR-EXA AM/FM Tuner with RDS: The Sony CDX-GT450U features
a built-in SSIR-EXA AM/FM Tuner with RDS. Radio Data System (RDS) feature
displays radio broadcast information such as artist, title, and album when
listening to compatible AM/FM stations. The CDX-GT450U offers manual, seek and
Preset Tuning: The radio features 5 memory bands to store
and receive AM/FM stations. You can store up to 6 presets each in FM1, FM2, FM3,
AM1 and AM2 (total: 18 FM/12 AM). Preset tuning can be done manually or
- Best Tuning Memory (BTM): This feature selects stations
with the best signals within the selected band and stores them in order of
their frequency. You can select from FM1, FM2, FM3, AM1, and AM2.
- Manual Tuning: You can manually tune and find your
favorite radio stations one by one for FM1, FM2, FM3, AM1, and AM2.
Auto Tuning: You can use the seek button to help you search
quickly through the available stations and then choose your own presets from
these available stations.
Local Seek Mode: In the Local Seek Mode, the unit will only
tune in stations with very strong signals during Seek tuning.
Mono Mode: The Mono Mode allows you improve poor FM
reception by selecting a monaural signal instead of a stereo signal.
Disc Compatibility: The unit features a single disc player
that will playback CD-Audio, CD-Text, and finalized CD-R/CD-RW audio discs (12cm
MP3/WMA/AAC Playback: The Sony CDX-GT450U allows you to
playback CD-Rs or CD-RWs loaded with MP3, WMA, or AAC songs (up to 320 kbps)
recorded in ISO 9660 level 1 or 2, Joliet/Romeo, or Multi-Session. The
CDX-GT450U can support up 150 folders, and a combined 300 folders and files on
a disc. The headunit will also display song information for MP3, WMA, and AAC
music files (Joliet: up to 32 characters, Romeo: up to 64 characters).
Note: Not all
MP3, WMA, AAC files may playback due to file variations. Copyright protected
ACC-LC files cannot be played back.
Compressed Audio Display Information: The CD receiver can
display the following CD-TEXT or ID3/WMA-tag information - Track number, Elapsed
Playing Time, Song Title, Artist Name, or Album Label.
Quick-BrowZer: The unit's Quick-BrowZer feature allows you
to search for a track on a CD-R/RW disc easily by category (Genre, Artist,
Album, or Playlist).
Jump Mode: Jump Mode gets you closer to the song you want by
allowing you to fast forward through a music category in 10 percent increments.
Zappin: With the Zappin feature, you can play music (files
or folders) in 6, 9, or 30-second clips until you find the song you are looking
for on your CD-R/RW disc.
Off Insert/Eject: A CD disc can be inserted or ejected with
the power off. The CD player will automatically reinsert the disc if it's
ejected, but not removed for 20 seconds or more.
Auto Playback: The headunit will automatically begin disc playback,
when a disc is inserted with the receiver set to a different source or powered
For proper CD playback, this unit must be mounted between 0 (horizontal) and 45
USB Port: The receiver's front-panel Type-A USB port can be
used for plugging in a (MSC) Mass Storage Class or MTP (Media Transfer Protocol)
type USB device. The headunit can play music files stored on the USB device in
MP3, WMA, or AAC formats (up to 320 kbps). The headunit can
recognize up to 128 folders with 500 tracks each when connected to a USB Mass
Storage Device. The CDX-GT450U offers the following USB search, playback, and
- Search Modes:
- Quick-BrowZer: allows you to search for a track on
a connected USB device easily by category (Genre, Artist, Album, or
- Jump Mode: gets you closer to the song you want by
allowing you to fast forward through a music category in 10 percent
- Zappin: play music (files or folders) in 6, 15, or
30-second clips until you find the song you are looking for on your
connected USB device
- Playback Modes:
- Repeat: repeat a single track or repeat an entire
- Random: shuffle all tracks or a specific album
- Display Information:
- Numeric Text: track number and elapsed playing time
- Alphanumeric Text: song title, artist name, and album label
Note: This unit cannot recognize USB devices via a USB hub.
Not all MP3, WMA, AAC files may playback due to file variations. Copyright
protected ACC-LC files cannot be played back. This unit's USB port is not
compatible with iPod or iPhone.
Front Panel Auxiliary Input: A front panel stereo 3.5mm
mini-jack is provided to allow the connection of a portable audio source. Just
connect your portable digital music player to this unit, and you can listen to
the audio from the portable player through the speakers in your mobile audio
system. The volume level of the auxiliary input is adjustable from -8 to +18 dB
to compensate for any difference between the unit and your portable device.
Wireless Remote Control: The
Sony CDX-GT450U comes supplied with an IR remote control (RM-X151) for wireless
operation of the headunit. The included wireless remote allows you to control the basic
functions of the Sony Xplod headunit while keeping your eyes on the road.
Steering Wheel Remote Compatibility: The headunit features
an OEM steering wheel remote control input on the rear of the unit to allow you
to keep your vehicle's radio steering wheel remote controls when used with the
optional PAC SWI-PS Steering Wheel Control Interface Adapter (127SWIPS,
sold separately); or the optional Metra ASWC Steering Wheel Control Interface
Note: Please consult the
Crutchfield Car Selector to see if your vehicle is compatible.