English | 57FM tuner sectionFrequency range (200 kHz space): 87.9 MHz – 107.9 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 dBDigital FM tuner section (KDC-HD942U)Frequency range (200 kHz space): 87.5 MHz – 107.9 MHzFrequency response: 20 Hz – 20 kHzSignal to Noise ratio (STEREO): 70 dBAM tuner sectionFrequency range (10 kHz space): 530 kHz – 1700 kHzUsable sensitivity (S/N = 20dB): 28 dBμ (25 μV)Digital AM tuner section (KDC-HD942U)Frequency range (10 kHz space): 530 kHz – 1700 kHzFrequency response: 40 Hz – 15 kHzSignal to Noise ratio (STEREO): 70 dBBluetooth section (KDC-X993)Version: Bluetooth Ver. 1.2 CertifiedFrequency range: 2.402 – 2.480 GHzOutput Power: +4dBm (MAX), 0dBm (AVE) Power Class 2Maximum Communication range: Line of sight approx.10m (32.8 ft)Profiles: HFP (Hands Free Profile): HSP (Headset Profile): SPP (Serial Port Profile): PBAP (Phonebook Access Profile): OPP (Object Push Profile): SYNC (Synchronization Profile): A2DP (Advanced Audio Distribution Profile): AVRCP (Audio/Video Remote Control Profile)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-X993/KDC-X693: 0.008 %KDC-HD942U/KDC-MP642U: 0.010 %Signal to Noise ratio (1 kHz)KDC-X993/KDC-X693: 110 dBKDC-HD942U/KDC-MP642U: 105 dBDynamic range: 93 dBMP3 decode: Compliant with MPEG-1/2 Audio Layer-3WMA decode: Compliant with Windows Media AudioAAC decode: AAC-LC ".m4a" filesSpecificationsSpecifications subject to change without notice.