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TH681 - Refurbished


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Enjoy Full HD Entertainment Anytime

Featuring a Full HD native resolution, a brightness of 3000 ANSI lumens and a high contrast ratio of 10000:1, the TH681 offers a stunning Full HD entertainment with the finest details regardless of the ambient light leve

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Premium Full HD 1080p Resolution

With the BenQ TH681, business presentations will never look the same! The TH681 supports multiple video formats including 480p, 576p, 720p, 1080i and 1080p - giving you the flexibility to present in the latest video formats with Full HD quality. 

The BenQ TH681 sets a new standard of video presentation that delivers 5X more detail than traditional 480p projectors.



Super-bright 3000 ANSI lumens

BenQ TH681 boast super-bright 3000 ANSI lumens, this makes images so bright and clear, you can even watch your favorite movie during the day, even in the brighter room. 



Ultra-High Contrast Ratio

An ultra-high contrast ratio projects sharp images, even for high brightness projectors. BenQ TH681 het better contrast and blacker blacks with a 10000:1 contrast ratio.



Big-Screen Entertainment in Short Distances

80” of Full HD Enjoyment in 2m

The TH681 frees you from space constraints, shadow distortions and glares – all the while giving you 80” of amazing Full HD entertainment in just 2 meters!



Blu-ray Full HD 3D

BenQ TH681 is built with latest DLPR technology to support 3D functionality, allowing schools to bring an immersive learning experience to their students with a simple preparation of 3D glasses and 3D content from your blu-ray player.


Enjoy a truly 3D experience in the comfort of your home.

HDMI Connectivity

TH681 features a convenient HDMI interface to deliver ultra-smooth digital HD signal and sound via just one cable.





Built-in 10W speakers

Built-in speakers are Plug-and-Play ready, only the power cord and video source connection are needed to prepare the viewing experience.


USB Drive Display allows user to play content with a USB flash drive. All they need to do is save the files they need onto a USB flash drive and insert it in the TH681 to start veiwing. File types supported are JPEG, PNG, TIFF, BMP and GIF.







Power Saving , Eco Friendly

With BenQ's SmartEco technology, you are able to save up to 70% of lamp power consumption and lower maintenance costs through dynamic power saving features while bringing an ultra-vivid picture quality.

SmartEco Mode

The SmartEco Mode, which cleverly adjusts the lamp power to maximize power saving by delivering the best contrast and brightness performance using only as much light as needed.


(Source: 2010 Philips white paper)

No Source Detected Mode

The automatic switch to Eco Blank Mode after the projector is turned on for over three minutes without a display source, eliminating unnecessary energy waste and prolonging the life of the projector lamp.



0.5W in Standby Mode


When inactive, the TH681 keeps power consumption to a minimum with 0.5W standby power, achieving what was once a challenge for ealier projector models. This technological advancement in energy saving certainly helps extend the projector lamp life and lower energy costs.


Auto Power Off


Automatic power off after the projector is turned on for over 30 minutes without a display source, eliminating unnecessary energy waste and prolonging the life of the projector lamp.

1 Year On-Site Pickup Warranty

Projector System DLP
Native Resolution 1920 x 1080
Brightness (Lumens) 3000
Contrast ratio 10000:1
Display Color 1.07 Billion Colors
Lens F=2.59-2.87 f=16.88-21.88 mm
Aspect Ratio Native 16:9 (5 aspect ratio selectable)
Throw Ratio 1.15~1.5(78.3"±3% @ 2m)
Image Size (Diagonal) 45"-300"
Zoom Ratio 1.3: 1
Lamp Type 210W
Lamp (Normal/Eco/Smart Eco) 4000/5000/6500 hours
Keystone Adjustment 1D, Vertical ± 40 degrees
Interface Computer in (D-sub 15pin) x 2 (Share with component)
Monitor out (D-sub 15pin) x 1
Composite Video in (RCA) x 1
S-Video in (Mini DIN 4pin) x 1
HDMI x 1
Audio in (Mini Jack) x 1
Audio out (Mini Jack) x 1
Audio L/R in (RCA) x 1
Speaker x 1 (10W)
USB (Type Mini B) x 1
RS232 (DB-9pin) x 1
HDTV Compatibility 311.81 x 104.7 x 244.12 mm
3D Compatibility Frame Sequential: Up to 720p Frame Packing: Up to 1080p Side by Side: Up to 1080i/p Top Bottom: Up to 1080p
Audible Noise 33/28 dBA (Normal/Economic mode)
Power Consumption Normal 270W, Eco 220W, Standby <0.5W