Mobile LED Projector


  • “PC-free” viewing – Built-in media player and office viewer
  • MHL support, HDMI connectivity, Built-in speaker, 3D Ready
  • Optional wireless presentations
  • Compact & Lightweight

Palm-sized projection powerhouse

The Optoma ML550 is an incredibly small LED projector with the power and performance of a larger unit. Delivering an impressive 500 lumens and 10,000:1 contrast ratio, along with razor-sharp focus and magnificent color accuracy, the ML550 will make your presentations stand out above the rest.

Designed for traveling professionals, the Optoma ML550 is small in size, light in weight and strong in performance and reliability. Its LED light source is rated to last over 20,000 hours, so there are no expensive bulbs to replace. It is built Optoma tough, so you know it will last for years to come.

Auto Power Off

To help save energy, this feature automatically turns off the projector after a set period of time, if it is not being used.

MHL Connectivity

Turn your projector into a smart display by connecting your smartphone or tablet with a single cable using MHL; now you can view presentations and documents, stream videos and share photos on the big screen.

Wireless Presenting (optional extra)

Making presentations couldn’t be easier using the optional wireless features of the WPS Wireless Adapter (sold separately) – you can connect and display presentations wirelessly from a laptop, PC or mobile device.

Additional information

Aspect Ratio16:10
Audio1 Watt Speaker
Brightness500 ANSI lumens
Compatible Aspect Ratio16:10 Native, 16:9 and 4:3 Compatible
Connections1x HDMI + MHL v1.0, 1x Universal I/O – VGA / Audio-Out 3.5mm, microSD-slot, USB-A reader/wireless
Contrast Ratio10,000:1
Display TechnologySingle 0.45″ WXGA DMD Chip DLP™ Technology by Texas Instruments
Displayable Colors16.7 Million
InputsHDMI MHL v1.0, Universal I/O – VGA, microSD-slot (up to 32GB), USB Type A (Reader/Wireless)
Keystone Correction±40° Vertical
Light Source TypeLED
Light Source Lifeup to 20,000 hours (LED Life)
Lens ShiftNone
Maximum ResolutionVGA: WSXGA+ (1680 x 1050), HDMI: HD (1920 x 1080)
Native ResolutionWXGA (1280 x 800)
Noise Level30dB
On-Screen Display12 Languages: English, French, Spanish, Portuguese (Brazilian), German, Russian, Italian, Polish, Dutch, Swedish, Greek, Turkish
Operating Temperature41-95°F (5-35°C)
OutputsUniversal I/O – audio out (3.5mm)
Power Consumption445W Max (Bright mode), 335W (ECO mode), <0.5W (Standby)
Power SupplyAC input 100-240V, 50-60 Hz, auto-switching
Projection Distance1.8 – 10.6′
Projection LensF=2.5 – 3.39, F=17.63 – 31.36mm Manual Focus
Projection MethodFront, rear, ceiling count, tabletop
Projection Screen Size17″ – 100″
Remote ControlIR remote control
Throw Ratio1.5:1 (distance/width) – 5% variance
3D CompatibiltySVGA 120Hz, XGA 120Hz
Computer CompatibiltyWSXGA+, SXGA+, WXGA+, WXGA, SXGA, XGA, SVGA, VGA resized, VESA, PC and Mac compatible
Horizontal Scan Rate49.64 kHz
Optional WirelessYes
Vertical Scan Rate24 – 120Hz (120Hz for 3D)
Video CompatiblityNTSC, PAL, SECAM, SDTV (480i), EDTV (480p),HDTV (720p, 1080i/p)
Dimensions (W x H x D)W 4.1" x D 4.2" x H 1.5"
SecurityKensington lock
Optional AccessoriesWireless USB dongle
Standard AccessoriesAC power adapter, power cord, carrying case, universal to VGA cable, remote control, battery for remote, quick start card, and warranty card
Warranty Info1 Year Optoma Parts and Labor
  • ML550-Data Sheet

  • ML550-M-en-US

  • ML550_Front_300dpi-Datasheet-img

  • ML550_IO panel_300dpi-Datasheet-img

  • ML550

  • ML550

IR remote control for select Optoma projectors.


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