1-2 (No.MA478<Rev.001>)
SPECIFICATION
• Subject to change without notice.
• Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or
other countries.
[KD-R424, KD-R425, KD-R426]
AUDIO AMPLIFIER SECTION
Maximum Power Output 50 W per channel
Continuous Power Output(RMS)
20 W per channel into 4
Ω
, 40 Hz to 20 000 Hz at no more than 1% total harmonic distortion.
Signal-to-Noise Ratio 70 dB
Load Impedance 4 Ω (4 Ω to 8 Ω allowance)
Frequency Response 40 Hz to 20 000 Hz
Line-Out or Subwoofer-Out Level/Impedance 2.5 V/20 kΩ load (full scale)
Output Impedance 1 kΩ
Other Terminal
USB input terminal, Front auxiliary input jack, Rear auxiliary/Bluetooth adapter input
jack, Antenna terminal
TUNER SECTION
Frequency Range FM 87.5 MHz to 108.0 MHz
AM 531 kHz to 1611 kHz
FM Tuner Usable Sensitivity 9.3 dBf (0.8 µV/75 Ω)
50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω)
Alternate Channel Selectivity (400 kHz) 65 dB
Frequency Response 40 Hz to 15 000 Hz
Stereo Separation 40 dB
AM Tuner Sensitivity/Selectivity 20 µV/40 dB
CD PLAYER SECTION
Type Compact disc player
Signal Detection System Non-contact optical pickup (semiconductor laser)
Number of Channels 2 channels (stereo)
Frequency Response 5 Hz to 20 000 Hz
Signal-to-Noise Ratio 98 dB
Wow and Flutter Less than measurable limit
MP3 Decoding Format (MPEG1/2 Audio Layer 3) Max. Bit Rate 320 kbps
WMA (Windows Media
®
Audio) Decoding Format Max. Bit Rate 192 kbps
USB SECTION
USB Standard USB 1.1, USB 2.0
Data Transfer Rate (Full Speed) Max. 12 Mbps
Compatible Device Mass Storage Class
Compatible File System FAT 32/16/12
Playable Audio Format MP3/WMA
Max. Current DC 5 V 500 mA
GENERAL
Power Requirement Operating Voltage DC 14.4 V (11 V to 16 V allowance)
Grounding System Negative ground
Allowable Operating Temperature 0°C to +40°C
Dimensions (W × H × D):(approx.) Installation Size 182 mm × 52 mm × 159 mm
Panel Size 188 mm × 59 mm × 9 mm
Mass 1.2 kg (excluding accessories)
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