Specifications - Better BT4520 Manual De Operaciones

General
Reference Supply Voltage .................................................................... 12V(DC)
Operating Voltage Range ........................................................10.5 - 15.8V(DC)
Max Operating Current .................................................................................15A
Grounding System .................................................... Car Battery Negative Pole
Dimensions(WXHXD) ...................................................... 178X101.5X160.5mm
Weight(main unit) .................................................................................... 1.75kg
FM
Signal Noise Ratio ................................................................................ ≥55dB
Residual Noise Sensitivity (S/N=30dB) ............................................... 18dBμV
Frequency Response (±3dB) ...................................................20Hz~12.5KHz
Station Seeking Level .................................................................... 20~28dBμV
Distortion .............................................................................................. ≤1.0%
Stereo Separation (1KHz) .................................................................... ≥25dB
Antenna Impedance ...................................................................................75Ω
AM
Residual Noise Sensitivity (S/N=20dB) ............................................... 30dBμV
Selectivity (±9KHz) ............................................................................... ≥50dB
LCD
Screen size ............................................................................. 6.2 inches(16:9)
Display resolution ........................................................................800X480dots
Contrast ratio ......................................................................................... 4000:1
DVD Player
Signal / Noise Ratio ..................................................................................80dB
Dynamic Range ........................................................................................80dB
Distortion (line out) ............................................................................... ≤0.1%
Frequency Response (±3dB) ......................................................20Hz~20KHz
Maximum Output Power ........................................................................4×45W
Load Impedance ...........................................................................................4Ω
AUX IN
Distortion .............................................................................................. ≤0.5%
Frequency Response (±3dB) ......................................................20Hz~20KHz
Audio Input Level .................................................................................0.5Vrms
Audio
Audio Output Impedance ..........................................................................100Ω
Audio Output Level ....................................................................... 2Vrms(Max)
Video
Normal Video Input Level (CVBS) ......................................................1.0±0.2V
Video Input Impedance...............................................................................75Ω
Video Output Impedance ............................................................................75Ω
Video Output Level .............................................................................1.0±0.2V
Environment
Operating Temperature .............................................................-10°C ~ +60°C
Storing Temperature..................................................................-20°C ~ +70°C
Operating Humidity ..................................................................... 45%~80%RH
Storing Humidity ......................................................................... 30%~90%RH
Notice:
When the unit is operated to extremes, such as with maximum power output for a long time,
or the temperature is over 70°C, it will enter heat protection mode, the volume will be reduced
automatically. This is normal.

Specifications

EN - 22