Kenwood KDC-348U Service Manual page 49

SPECIFICATIONS (Models for destination "M")
FM tuner section
Frequency range
200 kHz space ............................ 87.9 MHz — 107.9 MHz
50 kHz space .............................. 87.5 MHz — 108.0 MHz
Usable sensitivity (S/N= 26 dB) ............. 11.2 dBf (1 μV/75 Ω)
Quieting sensitivity (DIN S/N = 46 dB)
....................................................... 19.2 dBf (2.5 μV/75 Ω)
Frequency response (±3 dB) ........................30 Hz — 15 kHz
Signal-to-Noise ratio (MONO) ...................................... 63 dB
Stereo separation (1 kHz) ............................................. 40 dB
AM tuner section
Frequency range
10 kHz space ..................................530 kHz — 1,700 kHz
9 kHz space ....................................531 kHz — 1,611 kHz
Usable sensitivity (S/N= 20 dB) ...............AM: 31 dBμ (36 μV)
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
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
MP3 decode ......... Compliant with MPEG-1/2 Audio Layer-3
WMA decode .............Compliant with Windows Media Audio
SD card section (KDC-U4549SD only)
Compatible physical format ............................... Version 2.00
Maximum memory capacity .........................................32 GB
File System ............................................................FAT 16/ 32
MP3 decode ......... Compliant with MPEG-1/2 Audio Layer-3
WMA decode .............Compliant with Windows Media Audio
KDC-348U/4751SD/BT41U/BT648U
/U4549/U4549SD/U549BT/X395/X695
Bluetooth section (KDC-U549BT only)
Technology ..................................Bluetooth Ver. 2.0 Certifi 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)
Profi le ......HFP (Hands Free Profi le), SPP (Serial Port Profi le)
HSP (Headset Profi le), OPP (Object Push Profi le)
PBAP (Phonebook Access Profi le)
Audio section
Maximum output power .......................................... 50 W × 4
Full bandwidth power (at less than 1 % THD) ......... 22 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 kΩ
Preout impedance ..................................................... ≤ 600 Ω
Auxiliary input section
Frequency response (±3 dB) ........................20 Hz — 20 kHz
Input maximum voltage ...........................................1,200 mV
Input impedance .......................................................... 10 kΩ
General
Operating voltage:
KDC-U549BT ................(10.5 V — 16 V allowable): 14.4 V
KDC-U4549SD/KDC-U4549
.........................................(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.
SYNC (Synchronization Profi le)
49