Highlights
From Optoma — Project stunning 4K UHD images with the 4,500 lumen, short throw Optoma ProScene 4K550ST. Its 0.78:1 throw ratio, 10,000:1 contrast ratio and HDR compatibility provide razor-sharp, 100-inch projections from several feet away, making it ideal for space constrained environments or edge blending installations, such as corporate meeting spaces and houses of worship.
- Incredible 4K UHD (3840 × 2160) resolution with HDR10 and REC.2020 compatibility
- 4,500 lumens and 10,000:1 contrast ratio
- Project a bright 100-inch image from several feet away
- Short throw lens with 0.78:1 throw ratio
- 3D ready with DLP Link compatibility
- Extensive I/O with HDMI, 12v trigger, RS-232C and LAN control
Product Downloads
Helpful Links
Optoma 4K550ST Projector Specifications
- MSRP
- $6,999
- Brightness
- 4,500 ANSI Lumens
- Resolution
- 3840x2160
- Aspect Ratio
- 16:9 (4K HD)
- Contrast
- 10,000:1
- Display Type
- 0.66" DLP x 1
- Color Wheel
- 6 segments
- Color Processing
- 10-bit
- Video Modes
- 720p, 1080i, 1080p/60, 2160p/60, 576i, 576p, 480p, 480i
- Data Modes
- MAX 4096x2160
- 3D Modes
- Full HD 3D
- Lamp Type
- 330W Metal Halide bulb
- Lamp Life
- 3,000 hours / 5,000 hours
- Lamp Model
- BL-FU330C / SP.7C101GC01 Buy Replacement Lamp
- Included Lens
- Fixed focal length , manual focus
- Optional Lenses
- No
- Lens Shift
- Vertical +10%
- Throw Distance
- 1.6' - 17.0' Calculate Throw Distance
- Image Size
- 28.77" - 300.43"
- Throw Ratio
- 0.78:1
- Digital Zoom
- Yes
- Digital Keystone
- No
- Projector Size
- 5.07" x 15.43" x 11.08"
- Weight
- 13.0 lbs
- Internal Speakers
- 5.0 Watts × 2
- Power
- 461 Watts 100V - 240V
- Connection Panel
-
12-Volt TriggerAudio In: Mini JackAudio Out: Mini JackHDMI (HDCP 2.2)HDMI (MHL)Network: RJ-45RS232: DB-9pinUSB x 2VGA In: Dsub-15pin
- Features
-
Short-ThrowFull HD 3DHDRLaser PointerCrestron RoomView™
Compare to the Competition
More Optoma Projectors
Similar Projectors

BenQ LK936ST
- Resolution: 3840x2160 DLP
- Brightness: 5100 ANSI Lumens
- Light Source: Laser
- Throw Distance: 5'-11" — 6'-6"
- at Image Size: 100 "
ANSI LUMENS is the most commonly accepted industry standard brightness measurement. The ANSI lumen rating measures the brightest white that a projector can produce by averaging nine light meter measurements taken across the projected image.
Manufacturer Cited Brightness:
BUYER BEWARE Either this projector's brightness specification does not cite an industry-accepted unit of measurement, or according to our calculations it seems unlikely that this projector is capable of producing the manufacturer's cited brightness specification.
Manufacturer Cited Brightness: