Car Radio Reviews

If you have a Double-DIN sized dash opening in your car, fill it in style with the Kenwood DPX-503U CD/MP3 player. Designed to fit the double opening common in many newer cars, the stereo comes loaded with all of the performance features you’d expect from Kenwood.

Into digital music? The Kenwood DPX-503U plays back the MP3, WMA, and AAC music files that you’ve burned onto discs, and your song titles will appear on the four-line variable illumination full dot display. System Q-Ex EQ curves, along with sophisticated bass, treble, and midrange controls, let you shape the sound to your liking.

Kenwood DPX-503U also has a handy USB input allows you to connect an iPod or portable music player. Just plug your compatible iPod, pen drive, portable hard drive or other USB device into the front USB on the stereo. The radio will display artist names and track information right on the faceplate, and the USB socket will even supply power to your compatible player.

Key Features

• Double DIN Size Fixed Faceplate
• 4 Line Mono Colour Full dot LCD Display
• 50W x 4, 2 RCA Pre-outs
• System Q-Ex, System E’s+, Digital Time aligment
• MP3/WMA/AAC-Decoder, 24-Bit Digital Audio Converter
• Front AUX/USB input with slide protection cover
• 1-Wire iPod USB-Direct control
• Ready for Bluetooth Hands-Free Profile / Audio Profile
• Variable Illumination + Emotional Illumination Effect
• Remote control included

 

General Features

• DIN Size 2 DIN
• Faceplate Mechanism Non (Fixed)
• Angle Adjustment No
• Security Code Function Yes
• Key Illumination Variable
• Rotary Encoder & Control Knob Yes
• Operation mode 4-Directions + Push + Rotary
• Attenuator with Smooth Volume Return Yes
• Touch Sensor Tone Yes
• IR Remote control Yes, RC-547
• Digital Clock (24H) Yes
• All-off Select (20/40/60 minutes) Yes
• ISO connector Yes

 

Display Features

• Display Type LCD Display
• Display Layout 4 line, Ful dot
• Display Illumination Variable
• Spectrum Analyzer Yes
• Dimmer Control 2 steps – Automatic
• Auto dimmer control function (on/off) Yes
• Positive/negative switchable Yes
• Display Off Mode Yes
• Demo Mode Yes
• Special Character Display No

 

Tuner Features

• RDS (PI, PS, AF, TI, Clock) Yes
• Radio Text (RDS) Yes
• Radio Text Plus Yes
• Program Type Function (PTY) Yes
• Enhanced Other Networks Function (EON) Yes
• K3I – Clean Reception Tuner Yes
• FM Reception Yes
• AM (MW/LW) Reception Yes
• Presets 24 Presets (18FM / 3LW / 3MW)
• Automatic Memory Entry (AME) Yes
• Up/Down Seek Tuning Yes
• Tuning mode (Auto1 / Auto2 / Manual) Yes
• FM Stereo / Mono Selector Yes

 

CD Features

• CD-R/RW Compatible Yes
• MP3 Playback with ID3 Tag Display Yes
• WMA (Windows Media Audio) Playback Yes
• AAC (Advanced Audio Coding) Playback Yes
• CD Text Support Yes
• Supreme Yes
• D.A.C. processing 24 bit (Burr Brown)
• 0 bit Mute Yes
• Random Function (Track/Disc) Yes
• Repeat Function (Track/Disc) Yes
• Scan Function (Track/Disc) Yes

 

USB Features

• USB Interface port Yes
• USB Type USB1.1 / USB 2.0
• USB extension cable supplied no
• MTP (PlaysForSure) Yes
• iPod Digital Connection (1 Wire) Yes
• MP3 playback with ID3 Tag Display Yes
• WMA (Windows Media File) playback Yes
• AAC (Advanced Audio Codec) playback Yes

 

External Media Control Features

• Dual Changer Control (CH1, CH2 & AUX) Yes
• CD Text Ready with Compatible KENWOOD Units Yes
• Disc & Track Repeat Yes
• Disc & Track Scan Yes
• Disc & Track Random Play Yes
• Direct Access Yes
• Disc Name Preset Play (DNPS) Yes
• Bluetooth Handsfree Yes
• Bluetooth Audio Streaming Yes
• 2004 B.M.S. Amplifier Control Yes
• iPod Control with KCA-iP500 Yes

 

Audio Features

• Maximum Output Power 50W x 4
• MOSFET Power IC Yes
• Auxiliary input 1 RCA
• Auxiliary input Yes, Front
• Auxiliary Type Mini-jack
• Pre-out 2 RCA
• Pre-out Output Level 2.5V
• Preout Rear / Subwoofer Switchable Yes
• Subwoofer Reference Level Adj. Yes
• Built-In Amplifier Cut-Off Yes
• Dual-Zone Source & Volume Control Yes
• Dual-Zone (FRONT / REAR Switchable) Yes
• Source Tone Control & Memory Bass / Mid / Treble
• Balance/Fader/Loudness Control Yes
• Att.(-20dB) with smooth Volume Return Yes
• System Q_EX (Preset & Manual Sound Control) Yes
• Time Aligment Yes
• System E’s+ (Built-in HPF & LPF) Yes

 

Connectivity

• External Media Control Bus (5L) Yes
• iPod I/F Control (5L-Bus) Yes
• Bluetooth Control (5L-Bus) Yes
• PS Amplifier Control System (5L-Bus) PS Amplifiers (’02 – ‘06)
• iPod Digital Connection (1 Wire) Yes
• B.M.S.Control (’99-’03 Amps) Yes
• Advanced B.M.S. Control (’02 Amps) Yes
• OEM Wired Remote Control Yes
• OEM Display Control Yes
• Power Control (P.CON) wire Yes
• External Amplifier Controle Wire Yes
• 2-way (Tel/Navi) mute wire Yes
• Dimmer control wire Yes

 

Cosmetics features

• Front/edge Black Injection
• Dress plate Metalic Black
• Volume & operation knob or wheel Chrome Plated
• Preset key finish Black Injection
• Escution Black Injection
• Triangle Illumination Red
• Key illumination variable
• Illumination Effect Yes

 

Tuner Specifications

• FM Frequency Range 87.5MHz ~ 108MHz
• FM Frequency Step 50kHz
• FM Usable Sensitivity 0.7µV/75ohm (S/N 26dB)
• FM Quieting Sensitivity 1.6µV/75ohm (S/N 46dB)
• FM Frequency Response 30Hz ~ 15kHz (± 3dB)
• FM Sigal to Noise Ratio 65dB(MONO)
• FM Selectivity(DIN) over 80dB (±400kHz)
• FM Stereo Separation (1kHz) 35dB
• MW Frequency Range 531kHz ~ 1611kHz
• MW Frequency step 9kHz
• MW Usable Sensitivity 25µV (S/N 20dB)
• LW Frequency Range 153kHz ~ 281kHz
• LW Usable Sensitivity 45µV (S/N 20dB)

 

CD Specifications

• Laser Diode GaAIAs
• Digital Filter(D/A) 8 Times OverSampling
• Digital/Analogue Converter 24 Bit
• Spindle Speed 500 ~ 200rpm (CLV: 1 times)
• Wow & Flutter Below Measurable Limit
• Frequency Response 10Hz ~ 20kHz (±1dB)
• Total Harmonic Distortion 0.008% (1kHz)
• Sigal to Noise Ratio 105dB (1kHz)
• Dynamic Range 93dB
• MP3 Decoder Compliant with MPEG-1/2 Audio Layer-3
• WMA Decoder Compliant with Windows Media Audio
• AAC Decoder AAC-LC “.m4a” files

 

USB Specifications

• USB Version compatibility 1.1 / 2.0
• File System FAT 16/32
• Maximum Supply current 500mA
• MP3 Decode Compliant with MPEG-1/2 Audio Layer-3
• WMA Decode Compliant with Windows Media Audio
• AAC Decode AAC-LC “.m4a” Files

 

Audio Specifications

• Maximum Power 50W x 4
• Output Power (DIN45324,+B=14.4v) 30W x 4
• Preout Level 2500mV / 10kOhm,
• Preout Impedance 600Ohm
• Speaker Impedance 4Ohm ~ 8Ohm
• AUX Frequency Response 20Hz ~ 20kHz (±1dB)
• AUX Maximum Input Voltage 1200mV
• AUX Input Impedance 100kOhm
• Bass Tone Control 100Hz ±8dB
• Middle Tone Control 1kHz ±8dB
• Treble Tone Control 10kHz ±8dB

 

General Specifications

• Operating voltage 14.4V (11 ~ 16V Allowable)
• Current Consumption 10A
• Dimensions (WxHxD) 182 x 112 x 160mm
• Weight 1600gr

 

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