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KDC-4757SD
CD/USB/SD-Receiver with iPod Direct Control & variable Illumination
Discontinued Model
Key Features
| MP3, WMA & AAC playback |
| SD card reader (SD & SDHC) |
| Front USB & AUX input |
| iPod/iPhone direct control with optional lead KCA-iP102 |
| Variable Colour illumination |
| 13 digit FL display |
| 3 preouts (front/rear/sub) |
| High- & low-pass filter |
General Features
| DIN Size | 1 DIN |
| Detachable Faceplate | Yes |
| Protection Case For Faceplate | Yes, softcase |
| Faceplate Mechanism | Full Detachable Faceplate |
| Key Illumination | Variable |
| Rotary Encoder & Control Knob | Yes |
| Music Search function | Yes |
| Accent key | SD |
| Attenuator with Smooth Volume Return | Yes |
| Touch Sensor Tone | Yes |
| Digital Clock (24H) | Yes |
| All-off Select (20/40/60 minutes) | Yes |
| Built-in Connector | Molex 16 pin |
| Firmware upgreadable | Yes |
Display Features
| Display Type | Fluorescent (FL) Tube Display |
| Display Layout | 13 characters/digits |
| Display Illumination | Fluoricent Display |
| Variable Illumination | Yes |
| Dimmer Control | 3 steps - Manual |
| Demo Mode | Yes |
| Russian text display | Yes |
Cosmetics features
| Front/edge | Black Injection |
| Dress plate | Piano Black |
| Preset key finish | Piano Black |
| Escutcheon finish | Black Injection |
| Volume & operation knob or wheel | Chrome Plated |
| Volume & operation knob illumination | Variable |
| Triangle Illumination | Red |
| Front terminals illumination | Variable |
| Key illumination | variable |
| Variable color illumination | Yes |
Tuner Features
| ATomIC tuner | Yes |
| Tuner preset/recall key | Yes |
| FM Reception | Yes |
| FM Stereo / Mono Selector | Yes |
| AM (MW/LW) Reception | Yes |
| Tuning mode | |
| Up/Down Seek/Scan | Yes |
| Presets | 24 Presets (18FM / 3LW / 3MW) |
| Mixed preset memory (FM & AM) | 6 presets |
| Automatic Memory Entry (AME) | Yes |
| Tuner Preset Back-up Memory | Yes |
| Radio Data System | Yes |
| Radio Text | Yes |
| Traffic Information | Yes |
| Enhanced Other Networks Function (EON) | Yes |
| Program Type Function (PTY) | Yes |
CD Features
| MP3, WMA & AAC playback | Yes |
| CD Text Support | Yes |
| CD Text with special Character Support | Yes, Russian |
| Supreme | Yes |
| D.A.C. processing | 24 bit |
| Random Function | |
| Repeat Function | |
| Scan Function | |
| Compatible with Kenwood Music Editor Lite | Yes |
USB Features
| USB terminal | Yes, Front |
| USB Type | 2.0 Full speed |
| Kenwood Music Editor Lite Compatible | Yes |
| MP3, WMA & AAC playback | Yes |
| Repeat/Scan/Random search | Yes |
| Time code display | Yes |
| 1A Charge Capability for Smartphone. | Yes |
SD-card Features
| SD card type: | SD & SDHC |
| Max capacity | 32 Gb |
| MP3, WMA & AAC playback | Yes |
| Repeat play | |
| Random play | |
| Time code display | Yes |
| Resume play | Yes |
iPod Features
| Made for iPod & iPhone * | Yes |
| USB Direct Control | with optiona cable KCA-iP102 |
| Alphabet search | Yes |
| Skip search | Yes |
| Control by hand | Yes |
| App & iPod control mode | Yes |
| 2 Speed search | Yes |
| Reverse browsing | Yes |
| Works with iPod Classic * | 80G, 120G & 160G |
| Works with iPod Video * | 5th/6th generation |
| Works with iPod Touch * | 1st/2nd/3rd and 4th generation |
| Works with iPod Nano * | 1st/2nd/3rd/4th/5th/6th Gen |
| Works with iPhone * | 4/4S/5 |
| Battery charge + power control | Yes |
| * Always update to latest Apple firmware |
Audio Features
| Maximum Output Power | 50W x 4 |
| MOSFET Power IC | Yes |
| Auxiliary input | Front Mini-jack |
| Auxiliary input | Yes, Front panel |
| Auxiliary Type | Mini-jack |
| Pre-out | 3 RCA |
| Pre-out Output Level | 2.5V |
| Subwoofer Reference Level Adj. | Yes |
| Source Tone Control & Memory | Bass / Mid / Treble |
| Balance/Fader/Loudness Control | Yes |
| Bass Boost Circuit | |
| Att.(-20dB) with smooth Volume Return | Yes |
| Preset EQ | Yes |
Connectivity
| Front USB & AUX Input | Yes |
| OEM Wired Remote Control ready | Yes |
| DC-Cord | Molex to ISO |
| Power Control (P.CON) wire | Yes |
| 2-way (Tel/Navi) mute wire | Yes |
Tuner Specifications
| FM Frequency Range | 87.5MHz ~ 108MHz |
| FM Frequency Step | 50kHz |
| FM Usable Sensitivity | 1μV/75ohm (S/N 26dBf) |
| FM Quieting Sensitivity | 2.5μV/75ohm (S/N 46dBf) |
| FM Frequency Response | 30Hz ~ 15kHz (± 3dB) |
| FM Signal to noise ratio (Mono) | 63dB |
| FM Stereo Separation (1kHz) | 40dB |
| MW Frequency Range | 531kHz ~ 1611kHz (9kHz step) |
| MW Frequency step | 9kHz |
| MW Usable Sensitivity | 36μV |
| LW Frequency Range | 153kHz ~ 279kHz (9kHz step) |
| LW Usable Sensitivity | 57μV |
CD Specifications
| Laser Diode | GaAIAs |
| Digital Filter(D/A) | 8 Times Over Sampling |
| Digital/Analogue Converter | 24 Bit |
| Spindle Speed | 500 ~ 200rpm (CLV: 8 times) |
| Wow & Flutter | below measurable limit |
| Frequency Response | 20Hz ~ 20kHz (±1dB) |
| Total Harmonic Distortion | 0.01% (1kHz) |
| Signal to Noise Ratio | 105dB (1kHz) |
| Dynamic Range | 93dB |
| MP3 Decoder | Compliant with MPEG-1/2 Audio Layer |
| WMA Decoder | Compliant with Windows Media Audio |
| AAC Decoder | AAC-LC".m4a" Files |
USB Specifications
| USB Version compatibility | USB 1.1/2.0 full speed |
| File System | FAT 16/32 |
| Maximum Supply current | 1000mA |
| D/A Converter | 24 bit |
| MP3 Decode | Compliant with MPEG-1/2 Audio Layer-3 |
| WMA Decode | Compliant with Windows Media Audio |
| AAC Decode | AAC-LC "m4a" Files |
SD-card specs
| Compatible physical format | Version 2.0 |
| Compatible SD cards | SD - SDHC |
| File system | FAT 16/32 |
| Maximum capacity | 32 GB |
| Audio decoder | MP3, WMA, AAC |
Audio Specifications
| Maximum Power | 50W x 4 |
| Output Power (DIN45324,+B=14.4v) | 30W x 4 |
| Preout Level | 2.5mV / 10kOhm, |
| Preout Impedance | ≤ 600Ohm |
| Speaker Impedance | 4Ohm ~ 8Ohm |
| AUX Frequency Response | 20Hz ~ 20kHz (±1dB) |
| AUX Maximum Input Voltage | 1200mV |
| AUX Input Impedance | 10kOhm |
| Bass Tone Control | 100Hz ±8dB |
| Middle Tone Control | 1kHz ±8dB |
| Treble Tone Control | 12.5kHz ±8dB |
Accessories
| Release keys | 2 pieces |
| Escutcheon | Yes |
| Installation Sleeve | Yes |
| DC cord (Molex to ISO) | 25 cm |
General Specifications
| Operating voltage | 14.4V (11 ~ 16V Allowable) |
| Maximum Current Consumption | 10A |
| Weight | 1300 gr. |
| Instruction Manuals | ENG/FRE/GER/DUT/ITA/SPA/POR/RUS/UKR (CD-ROM) |