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USB interface section
USB Standard USB 2.0 Full Speed
File System FAT 16/32
Maximum Power Supply Current
DC 5 V
1 A
D/A Converter 24 bit
Video Decoder MPEG1/MPEG2/DivX*
Audio Decoder MP3/WMA/AAC/WAV
* Only for DDX3071BT/DDX2071.
Bluetooth s ection ( DDX771/
DDX491HD/DDX471HD/DDX371/
DDX310BT/DDX3071BT )
Technology Bluetooth 2.1 + EDR
Frequency 2.402 GHz – 2.480 GHz
Output Power +4 dBm (MAX), 0 dBm (AVE),
Power Class 2
Maximum Communication Range
Line of sight approx. 10 m
(32.8ft)
Audio Codec SBC
Profile HFP (Hands Free Profile)
OPP (Object Push Profile)
PBAP (Phonebook Access Profile)
A2DP (Advanced Audio
Distribution Profile)
AVRCP (Audio/Video Remote
Control Profile)
GAP (Generic Access Profile)
SDP (Service Discovery Profile)
SPP (Serial Port Profile)
FM tuner section
Frequency Range
DDX771/DDX491HD/DDX471HD/DDX371/
DDX310BT/DDX271:
87.9 MHz to 107.9 MHz (200 kHz)
DDX3071BT/DDX2071:
87.5 MHz to 108.0 MHz (50 kHz)
Usable Sensitivity (S/N: 30 dB Dev 22.5 kHz)
9.3 dBf (0.8 μV/75 Ω)
Quieting Sensitivity (S/N: 46 dB Dev 22.5 kHz)
15.2 dBf (1.6 μV/75 Ω)
Frequency Response (± 3.0 dB)
Digital: 20 Hz – 20 kHz*
Analog: 30 Hz – 15 kHz
Signal to Noise Ratio
Digital: 75 dB (STEREO)*
Analog: 75 dB (MONO)
Selectivity (± 400 kHz)
≥ 80 dB
Stereo Separation 45 dB (1 kHz)
* Only for DDX491HD/DDX471HD.
AM tuner section
Frequency Range (10 kHz)
530 kHz to 1 700 kHz
Usable Sensitivity 28 dBμ
Frequency Response (± 3.0 dB)
Digital: 40 Hz – 15 kHz*
Signal to Noise Ratio
Digital: 75 dB (STEREO)*
* Only for DDX491HD/DDX471HD.
Video section
Color System of External Video Input
NTSC/PAL
External Video Input Level ( mini jack)
1 Vp-p/75 Ω
External Audio Max Input Level ( mini jack)
2 V/25 kΩ
Video Output Level (RCA jack)
1 Vp-p/75 Ω
Audio Output Level (mini jack)
1.2 V/10 kΩ
Audio section
Maximum Power (Front & Rear)
50 W × 4
Full Bandwidth Power (Front & Rear)
( 4 Ω, 14.4 V, 1% THD )
22 W × 4
Preout Level 4 V/10 kΩ
Preout Impedance ≤ 600 Ω
Speaker Impedance 4 Ω – 8 Ω
Tone
Bass: 100 Hz ± 8 dB
Middle: 1 kHz ± 8 dB
Treble: 12.5 kHz ± 8 dB
General
Operating Voltage
14.4 V (10.5 V – 16 V allowable)
Maximum Current Consumption
10 A
REFERENCES