KDC-4557U
CD/USB-Receiver with iPod Direct Control & variable Illumination
Key Features
| MP3, WMA & AAC playback |
| Front USB & AUX input |
| iPod/iPhone direct control with optional lead KCA-iP102 |
| Variable Colour illumination |
| 13 segment,11 digit FL dispay |
| Low Pass Filter built-in |
| System Q preset EQ |
| Loudness & Bass Boost control |
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 | iPod |
| 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 | Flourescent (FL) Tube Display |
| Display Layout | 13 segments x 11 Characters |
| Display Illumination | light-emitting diode (LED) |
| 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 |
Tuner Features
| 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/recall key | Yes |
| Radio Data System | Yes |
| Radio Text | Yes |
| Traffic Information | Yes |
| Program Type Function (PTY) | Yes |
CD Features
| CD-R/RW Compatible | Yes |
| CD Text Support | Yes |
| CD Text with special Character Support | Yes, Russian |
| Supreme | Yes |
| Random Function | |
| Repeat Function | |
| Scan Function |
USB Features
| USB Type | 2.0 Full speed |
| Repeat/Scan/Random search | Yes |
| Last Position Memory / Resume | Yes |
| Time code display | Yes |
iPhone Features
| Music playback | Yes |
| Alphabet search | Yes |
| Skip search | Yes |
| Related search | Yes |
| Control by hand | Yes |
| App & iPod control mode | Yes |
| 2 Speed search | Yes |
| Reverse browsing | Yes |
| Works with iPhone * | iPone, 3G, 3GS, 4 |
| 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, Mini-jack |
| Pre-out | 1 RCA |
| Pre-out Output Level | 2.5V |
| Preout Rear / Subwoofer Switchable | Yes |
| 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 |
| System Q | Preset EQ |
| Low-pass Filter | Yes |
Connectivity
| Front USB & AUX Input | Yes |
| DC-Cord | Molex terminal |
| Power Control (P.CON) wire | Yes |
| 2-way (Tel/Navi) mute wire | Yes |
| OEM Wired Remote Control ready | 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: 1 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 | 90dB |
| Channel Separation | 85dB |
| 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 | 1.1 / 2.0 |
| 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 |
Audio Specifications
| Maximum Power | 50 W x 4 |
| Output Power (DIN45324,+B=14.4v) | 30 W x 4 |
| Preout Level | 2500 mV / 10 kOhm, |
| Preout Impedance | ≤ 600 Ohm |
| Speaker Impedance | 4 Ohm ~ 8 Ohm |
| AUX Frequency Response | 20 Hz ~ 20 kHz (±1dB) |
| AUX Maximum Input Voltage | 1200 mV |
| AUX Input Impedance | 10 kOhm |
| Bass Tone Control | 100 Hz ±8 dB |
| Middle Tone Control | 1 kHz ±8 dB |
| Treble Tone Control | 12.5 kHz ±8 dB |
Accessories
| Release keys | 2 pieces |
| Escutcheon | Yes |
| Installation Sleeve | Yes |
| DC cord (Molex to ISO) | 20 cm |
General Specifications
| Operating voltage | 14.4V (11 ~ 16V Allowable) |
| Maximum Current Consumption | 10A |
| Dimensions (WxHxD) | 182 x 53 x 160mm |
| Weight | 1200 gr. |
| Instruction Manuals | ENG/FRE/GER/DUT/ITA/SPA/POR/RUS/UKR |