Comparison Prology DVU-800 vs Prology DVU-750

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	Prology DVU-800	Prology DVU-750
	Outdated Product	Outdated Product
all specs only differences
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Application area	car	car
DIN size	2DIN	2DIN
Media types	microSD USB storage (front)	microSD USB storage (front)
Screen
Screen size	7 "	7 "
Resolution	800х480 px	800х480 px
Touch screen
Equipment
Multimedia	Bluetooth	Bluetooth
Equalizer
Number of bands	5	5
Amplifier specs
Power per channel	55 W	55 W
Number of channels	4	4
Control
Volume control	knob control	knob control
Control functions	remote control steering wheel controls	remote control steering wheel controls
Outputs
Speaker connection	ISO/RCA	ISO/RCA
Line out	1	1
Video output (composite)	2	2
Subwoofer output
Inputs
Video input (composite)	1	1
front AUX
For backup camera
More features
Tuner bands	FM/AМ	FM/AМ
Backlight	white	white
Added to E-Catalog	may 2017	may 2017

Subwoofer output

A separate output for connecting a low-frequency speaker — a subwoofer. Ordinary speakers tend to have low quality bass reproduction; a subwoofer is used to “overlap” this range, as a result, the sound becomes much more powerful and rich. However, connecting to a regular audio output would require the use of frequency filters — so that only low frequencies enter the subwoofer. A separate output for the subwoofer eliminates the need for such devices — this connector is already filtered signal. However note that usually this interface is designed to connect an active subwoofer; passive will need a separate amplifier.