Jul 03, 2020
The Optoma HD142x is a budget-friendly home theater unit that ensures a seamless watching experience in the room or the backyard but lacks lumens output for large parties and business events. This mo...
Read MoreOptoma HD142X vs BenQ TH671ST review
Optoma HD142X review
BenQ TH671ST review
Dec 20, 2022
Designed by BenQ, a major player in the monitor and projector market, the BenQ th671st is a reasonably priced gaming projector. With lots of unique features and a compact package, this projector offe...
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Common
Product
Optoma HD142X
BenQ TH671ST
Model
HD142X
TH671ST
Brand
Optoma
BenQ
Rating
4.3
Reviews
799
Translation properties
Projection system
DLP
DLP
Native resolution
1920 x 1080
1920 x 1200
Aspect ratio
16:9
16:9
Pixel number
1024000
2304000
Brightness
3000 lumens
3000 lumens
Color reproduction
1073.4 million
1.07 billion
Contrast ratio
23000:1
10000:1
Throw ratio range
1.48 - 1.6
0.69 - 0.83
Lamp
Lamp type
195 W
240 W
Lamp life
Normal mode
5000
10000
Eco mode
6000
15000
Lens
F-number
2.5 - 2.67
2.6 - 2.78
Focal length
21.86 - 24 mm
10.2 - 12.24
Lens shift
vertical +/- 40%
Zoom ratio
1.0 - 1.1
1.2x
Interface
HDMI
2
2
D-sub 15pin
1
has not
Composite video (RCA)
1
has not
Audio L/R (RCA)
1
has not
Audio out (Mini Jack)
1
1
USB (Type A)
1
1
USB (Type mini-B)
has not
1
RS232 (DB-9pin)
has not
1
Sound
Integrated speaker
Speaker power
10 W
1
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
Vertical +- 40 degrees
40
Keystone correction auto
has not
Operating distance
19 ft
19 ft
Security functions
Audible noise
Normal mode
28 dBA
33 dBA
Eco mode
25 dBA
Operating temperature
Min
5 C
0 C
Max
40 C
40 C
Features
Color
black
white
Wireless
Remote control
Mouse functions
Warranty
1 Year
1 Year
Dimensions
Product size
9 x 11.7 x 3.7 inches
11.7 x 4.6 x 9.5 inches
Product weight
5.5 pounds
5.9 pounds
BenQ TH671ST overview
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