Epson Home Cinema 660 vs ViewSonic PJD7820HD review
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Common
Product
Epson Home Cinema 660
ViewSonic PJD7820HD
Model
Home Cinema 660
PJD7820HD
Brand
Epson
ViewSonic
Rating
4.3
Reviews
38
Translation properties
Projection system
3LCD
DLP
Native resolution
800 x 600
1920 x 1080
Aspect ratio
4:3
16:9
Pixel number
480000
480000
Brightness
3300 lumens
3000 lumens
Color reproduction
1.07 billion
1.07 billion
Contrast ratio
15000:1
15000:1
Throw ratio range
1.45 - 1.96
1.15 - 1.5
Lamp
Lamp type
210 W
210 W
Lamp life
Normal mode
4000
4000
Eco mode
6000
6000
Lens
F-number
1.44
2.5 - 2.67
Focal length
16.7 mm
21.86 - 24 mm
Lens shift
Zoom ratio
1.0 - 1.35
1.0 - 1.3
Interface
HDMI
1
1
D-sub 15pin
1
1
Composite video (RCA)
1
1
Audio L/R (RCA)
1
1
Audio out (Mini Jack)
1
1
USB (Type A)
1
has not
USB (Type mini-B)
1
1
RS232 (DB-9pin)
has not
1
Sound
Integrated speaker
Speaker power
2 W
2 W
Sound type
mono
mono
Resolution support
640 x 480
1024 x 768
1280 x 800
1400 x 1050
1920 x 1080
Video compatibility
NTSC
PAL
SECAM
3D
Settings
Keystone correction manual
Horizontal +- 30 degrees
Vertical +- 40 degrees
Keystone correction auto
Vertical +- 30 degrees
Operating distance
19 ft
19 ft
Security functions
Audible noise
Normal mode
37 dBA
35 dBA
Eco mode
28 dBA
29 dBA
Operating temperature
Min
5 C
5 C
Max
35 C
40 C
Features
Color
white
black
Wireless
Remote control
Mouse functions
Warranty
2 Years
1 Year
Dimensions
Product size
20.5 x 17.7 x 7.6 inches
3.3 x 8.7 x 10.6 inches
Product weight
5.3 pounds
4.6 pounds
Epson Home Cinema 660 overview
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