Epson PowerLite 685W

Brand	Epson · PowerLite
Type	Education
Released	January 2017
Resolution	WXGA
Imaging technology	3LCD
Light source	Lamp
Brightness	3,500 lm ISO
Throw ratio	0.28–0.37:1

An ultra-short-throw 3LCD lamp projector with a native 1280x800 (WXGA, 16:10) panel, rated at 3,500 lumens of both white (ISO 21118) and colour (IDMS 15.4) light output from a 250 W UHE lamp. It projects 60 to 100 inch images from about 0.34 to 0.60 m, has three HDMI inputs (one MHL), Ethernet, a 16 W mono speaker, and takes an optional wireless LAN module.

Data sheet

Picture

White light output	3,500 lm ISO (Normal power)
Colour light output	3,500 lm (Normal power)
Brightness by mode	Normal 3,500 lm · Eco 2,900 lm
Eco brightness	83%Derived
Imaging technology	3LCD
Native resolution	WXGA (1280 × 800)
Native aspect	16:10Derived
Dynamic contrast	Up to 14,000:1
Dynamic contrast method	Dynamic iris
Colour bit depth (per channel)	10 bit

Light source

Light source	Lamp
Lamp power	250 W
Replacement lamp	ELPLP91
Light-source life	5,000 h normal · 10,000 h eco
Cool-down time	0 s

Optics

Throw ratio	0.28–0.37:1100″ · 0.60–0.80 m
Image size	60–100 in
Zoom	Digital
Focal length	3.7 mm
Aperture (f-number)	1.6
Focus	Manual
Vertical keystone	3°
Horizontal keystone	3°

Inputs & control

HDMI inputs	3 × HDMI
Other video inputs	VGA, Composite
Max input resolution	1080p
Audio inputs	3.5 mm, Microphone
USB media playback	Yes
Control ports	RS-232
Control-system drivers	Crestron

Smart platform

Ethernet

Yes

Audio

Speaker power	16 W
Speakers	1
Layout	Mono
Audio outputs	3.5 mm
HDMI audio return	NoneDerived

Physical & installation

Dimensions (W × D × H)	367 × 400 × 149 mm
Weight	5,700 g
Orientations	Table, Ceiling, Rear
Dust filter	Replaceable

Environment & power

Operating temperature	5–40°C
Operating humidity	20–80%RH
Altitude	3,000 m · high-altitude mode
Power draw	Normal 373 W · Eco 324 W
Standby	0.23 W
Networked standby	2.2 W
Mains input	100–240 V · 50/60 Hz
Fan noise	Normal 35 dB(A) · Eco 30 dB(A)

Safety & support

Marks	FCC, UL
Warranty	🇺🇸 US 2 yr (light source 3 mo) Lamp carries a separate 90-day limited warranty (recorded as 3 months).
User manual	files.support.epson.com
Spare parts	Lamp ELPLP91 · Air filter ELPAF49 · Mount ELPMB46

In the box

Power cord, Remote, Remote batteries, Quick start guide, User manual, Software CD

Reviews

Videos

Epson PowerLite 685W WXGA Projector Review: Bright 3500 Lumens Ultra Short Throw Display · EchoTech

Epson PowerLite 685W Ultra Short Throw LCD Honest Review 2026 · Techfeel

Similar models

Model	Resolution	Tech	Lumens	Price
Christie Captiva DHD400S 1080p · DLP	1080p	DLP	3,500	$1,999.99 +$610	Compare
NEC NP-UM351W WXGA · 3LCD	WXGA	3LCD	3,500	—	Compare
Epson PowerLite E20 1024 × 768 · 3LCD	1024 × 768	3LCD	3,400 −100	$469 −$921	Compare
NEC UM361X 1024 × 768 · 3LCD	1024 × 768	3LCD	3,600 +100	—	Compare
Epson PowerLite X49 1024 × 768 · 3LCD	1024 × 768	3LCD	3,600 +100	$497 −$893	Compare
Epson PowerLite E24 1024 × 768 · 3LCD	1024 × 768	3LCD	3,600* +100	$421 −$969	Compare

Other

Tools

Throw calculator — How far from the screen the PowerLite 685W needs to sit for a given image size, set to its 0.28–0.37:1 lens.
Download spec as CSV — Every value on this data sheet with its unit and source, one row per spec.
Download spec as JSON — The same data from the open data API, with variants and identifiers.

Variants & identifiers

Use these to confirm a listing is this exact model. Any of them works at /p/{code}.

Variant	Region	Type	Code
US	🇺🇸 US	UPC	010343924642
US	🇺🇸 US	MPN	V11H744520

Sources

Also known as

CB-685W

All regions

Regional model