Kenwood DDX271 User Manual - Page 66
DDX491HD/DDX471HD/DDX371
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REFERENCES 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. Bluetooths 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 (32.8 ft) 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 66