26 | KDC-W4544U/ KDC-W4644U/ KDC-W4044U/ KDC-W413USpecifications subject to change without notice.FM tuner sectionFrequency range (50 kHz space): 87.5 MHz – 108.0 MHzUsable sensitivity (S/N = 26dB): 0.7 μV/75 ΩQuieting Sensitivity (S/N = 46dB): 1.6 μV/75 ΩFrequency response (±3.0 dB): 30 Hz – 15 kHzSignal to Noise ratio (MONO): 65 dBSelectivity (DIN) (±400 kHz): ≥ 80 dBStereo separation (1 kHz): 35 dBMW tuner sectionFrequency range (9 kHz space): 531 kHz – 1611 kHzUsable sensitivity (S/N = 20dB): 25 μVLW tuner sectionFrequency range: 153 kHz – 281 kHzUsable sensitivity (S/N = 20dB): 45 μVCD player sectionLaser diode: GaAlAsDigital filter (D/A): 8 Times Over SamplingD/A Converter: 24 BitSpindle speed: 500 – 200 rpm (CLV)Wow & Flutter: Below Measurable LimitFrequency response (±1 dB): 20 Hz – 20 kHzTotal harmonic distortion (1 kHz): 0.01 %Signal to Noise ratio (1 kHz): 105 dBDynamic range: 93 dBMP3 decode: Compliant with MPEG-1/2 Audio Layer-3WMA decode: Compliant with Windows Media AudioAAC decode: AAC-LC “.m4a” filesUSB InterfaceUSB Standard: USB1.1/ 2.0 (Full speed)Maximum Supply current: 500 mAFile System: FAT16/ 32MP3 decode: Compliant with MPEG-1/2 Audio Layer-3WMA decode: Compliant with Windows Media AudioAAC decode: AAC-LC “.m4a” filesAudio sectionMaximum output power: 50 W x 4Output power (DIN 45324, +B=14.4V): 22 W x 4Speaker Impedance: 4 – 8 ΩTone actionBass : 100 Hz ±8 dBMiddle : 1 kHz ±8 dBTreble : 10 kHz ±8 dBPreout level / Load (CD): 2000 mV/10 kΩPreout impedance: ≤ 600 ΩAuxiliary inputFrequency response (±3 dB): 20 Hz – 20 kHzInput Maximum Voltage: 1200 mVInput Impedance: 10 kΩGeneralOperating voltage (11 – 16V allowable): 14.4 VMaximum Current consumption: 10 AInstallation Size (W x H x D): 182 x 53 x 155 mmWeight: 1.3 kgSpecifications