SPECIFICATIONS
FM Frequency Range
Usable Sensitivity (S/N = 26 dB)
Quieting Sensitivity
(DIN S/N = 46 dB)
Frequency Response (±3 dB)
Signal-to-Noise Ratio (MONO)
Stereo Separation (1 kHz)
AM Frequency Range
Channel Space Selection
Usable Sensitivity (S/N = 20 dB)
Frequency Response (±3 dB)
Signal-to-Noise Ratio
Laser Diode
Digital Filter (D/A)
Spindle Speed
Wow & Flutter
Frequency Response (±1 dB)
Total Harmonic Distortion (1 kHz)
Signal-to-Noise Ratio (1 kHz)
Dynamic Range
Channel Seperation
MP3 Decode
WMA Decode
87.9 MHz — 107.9 MHz (200 kHz space)
9.3 dBf (0.8 μV/75 Ω)
10.2 dBf (1.13 μV/75 Ω)
20 Hz — 20 kHz (HD Radio broadcast)
30 Hz — 15 kHz (Conventional broadcast)
STEREO
75 dB (HD Radio broadcast)
MONO
75 dB (Conventional broadcast)
45 dB
530 kHz — 1 700 kHz (10 kHz space)
10 kHz
28 dBμ (25 μV)
40 Hz — 15 kHz (HD Radio broadcast)
STEREO
70 dB (HD Radio broadcast)
GaAIAs
8 times over sampling
500 rpm — 200 rpm (CLV)
Below measurable limit
20 Hz — 20 kHz
0.01 %
KDC-X498
: 110 dB
KDC-HD458U
: 105 dB
90 dB
85 dB
Compliant with MPEG-1/2 Audio Layer-3
Compliant with Windows Media Audio
USB Standard
File System
Maximum Supply Current
MP3 Decode
WMA Decode
WAV Decode
Maximum Output Power
Full Bandwidth Power
Speaker Impedance
Tone Action
Preout Level/Load (CD)
Preout Impedance
Frequency Response (±3 dB)
Input Maximum Voltage
Input Impedance
Operating Voltage
Maximum Current Consumption
Operational Temperature Range
Installation Size (W × H × D)
Weight
Subject to change without notice.
USB 1.1, USB 2.0 (Full speed)
FAT12/ 16/ 32
DC 5 V
1 A
Compliant with MPEG-1/2 Audio Layer-3
Compliant with Windows Media Audio
Linear-PCM
50 W × 4
22 W × 4 (at less than 1 % THD)
4 Ω — 8 Ω
Bass
200 Hz ±8 dB
Middle
2.5 kHz ±8 dB
Treble
12.5 kHz ±8 dB
KDC-X498
: 4 000 mV/10 kΩ
KDC-HD458U
: 2 500 mV/10 kΩ
≤ 600 Ω
20 Hz — 20 kHz
1 200 mV
30 kΩ
14.4 V (10.5 V — 16 V allowable)
10 A
0°C — +40°C
182 mm × 53 mm × 159 mm
(7-3/16" × 2-1/8" × 6-1/4")
1.2 kg (2.65 lbs)
ENGLISH |
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