KDC-348U/4751SD/BT41U/BT648U
/U4549/U4549SD/U549BT/X395/X695
DANGER:
Please do not look at the laser beam directly during
re pair or operation check.
FM tuner section
Frequency range (50 kHz space) ..... 87.5 MHz — 108.0 MHz
Usable sensitivity (S/N= 26 dB) .............................1
μ
V/ 75
Ω
Quieting sensitivity (DIN S/N = 46 dB) ................2.5
μ
V/75
Ω
Frequency response (±3 dB) ........................30 Hz — 15 kHz
Signal-to-Noise ratio (MONO) ...................................... 63 dB
Stereo separation (1 kHz) ............................................. 40 dB
MW tuner section
Frequency range (9 kHz space) .............531 kHz – 1,611 kHz
Usable sensitivity (S/N = 20dB) .....................................36
μ
V
LW tuner section
Frequency range ......................................153 kHz – 279 kHz
Usable sensitivity (S/N = 20dB) .....................................57
μ
V
CD player section
Laser diode .................................................................GaAIAs
Digital
fi
lter (D/A) ............................... 8 Times Over Sampling
D/A converter ............................................................... 24 Bit
Spindle speed .............................. 500 rpm — 200 rpm (CLV)
Wow & Flutter .................................. Below Measurable Limit
Frequency response (±1 dB) ........................20 Hz — 20 kHz
Total harmonic distortion (1 kHz) ................................ 0.01 %
Signal-to-Noise ratio (1 kHz) ...................................... 105 dB
Dynamic range ............................................................. 93 dB
AAC decode .......................................... AAC-LC “.m4a”
fi
les
MP3 decode ......... Compliant with MPEG-1/2 Audio Layer-3
WMA decode .............Compliant with Windows Media Audio
USB interface
USB standard ..................................USB1.1/ 2.0 (Full speed)
Maximum supply current ........................................... 500 mA
File system .............................................................FAT16/ 32
AAC decode .......................................... AAC-LC “.m4a”
fi
les
MP3 decode ......... Compliant with MPEG-1/2 Audio Layer-3
WMA decode .............Compliant with Windows Media Audio
SD card section (KDC-4751SD only)
Compatible physical format ............................... Version 2.00
Maximum memory capacity .........................................32 GB
File System ............................................................FAT 16/ 32
AAC decode .......................................... AAC-LC “.m4a”
fi
les
MP3 decode ......... Compliant with MPEG-1/2 Audio Layer-3
WMA decode .............Compliant with Windows Media Audio
Bluetooth section (KDC-BT41U only)
Technology ..................................Bluetooth Ver. 2.0 Certi
fi
ed
Frequency ................................................. 2.402 – 2.480 GHz
Output Power ... +4 dBm (MAX), 0 dBm (AVE) Power Class 2
Maximum Communication range
.....................................Line of sight approx. 10m (32.8 ft)
Pro
fi
le ......HFP (Hands Free Pro
fi
le), SPP (Serial Port Pro
fi
le)
HSP (Headset Pro
fi
le), OPP (Object Push Pro
fi
le)
PBAP (Phonebook Access Pro
fi
le)
SYNC (Synchronization Pro
fi
le)
Audio section
Maximum output power .......................................... 50 W × 4
Output power (DIN 45324, +B=14.4V) .................... 30 W × 4
Speaker impedance ..............................................4
Ω
— 8
Ω
Tone action
Bass .............................................................100 Hz ±8 dB
Middle ............................................................1 kHz ±8 dB
Treble ........................................................12.5 kHz ±8 dB
Preout level / load (CD) ................................2,500 mV/ 10 k
Ω
Preout impedance .....................................................
≤
600
Ω
Auxiliary input section
Frequency response (±3 dB) ........................20 Hz — 20 kHz
Input maximum voltage ...........................................1,200 mV
Input impedance .......................................................... 10 k
Ω
General
Operating voltage
KDC-BT41U ..................(10.5 V — 16 V allowable): 14.4 V
KDC-4751SD ...................(11 V — 16 V allowable): 14.4 V
Maximum current consumption ......................................10 A
Installation size (W × H × D) ..... 182 mm × 53 mm × 160 mm
Weight ..........................................................................1.3 kg
KENWOOD follows a policy of continuous advancements
in development. For this reason specifications may be
changed without notice.
SPECIFICATIONS (Models for destination “E”)
