English | 27SpecificationsFM tuner sectionFrequency range200 kHz space: 87.9 MHz – 107.9 MHz50 kHz space: 87.5 MHz – 108.0 MHzUsable sensitivity (S/N = 30dB): 9.3dBf (0.8 μV/75 Ω)Quieting Sensitivity (S/N = 50dB): 15.2dBf (1.6 μV/75 Ω)Frequency response (±3 dB): 30 Hz – 15 kHzSignal to Noise ratio (MONO): 70 dBSelectivity (±400 kHz): ≥ 80 dBStereo separation (1 kHz): 40 dBAM tuner sectionFrequency range10 kHz space: 530 kHz – 1700 kHz9 kHz space: 531 kHz – 1611 kHzUsable sensitivity (S/N = 20dB): 28 dBμ (25 μV)CD 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): 10 Hz – 20 kHzTotal harmonic distortion (1 kHz)KDC-MP6539U: 0.008 %KDC-MP6039: 0.010 %Signal to Noise ratio (1 kHz)KDC-MP6539U: 110 dBKDC-MP6039: 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 Interface (KDC-MP6539U)USB Standard: USB1.1/ 2.0Maximum 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 4Full Bandwidth Power (at less than 1% THD): 22 W x 4Speaker Impedance: 4 – 8 ΩTone actionBass : 100 Hz ±8 dBMiddle : 1 kHz ±8 dBTreble : 10 kHz ±8 dBPreout level / Load (CD): 2500 mV/10 kΩPreout impedance: ≤ 600 ΩAuxiliary inputFrequency response (±1 dB): 20 Hz – 20 kHzInput Maximum Voltage: 1200 mVInput Impedance: 100 kΩGeneralOperating voltage (11 – 16V allowable): 14.4 VCurrent consumption: 10 AInstallation Size (W x H x D): 182 x 53 x 155 mmWeight: 1.40 kgSpecifications subject to change without notice.