description Optoma HD91+ Overview
The Optoma HD91+ is a Full HD home-cinema projector with a native resolution of 1920 by 1080 pixels. It uses single-chip DLP imaging and an LED light source rather than a conventional replaceable projection lamp, and it supports compatible 3D content. Intended for dedicated movie and gaming setups, it emphasizes long light-source life and home-theater color reproduction rather than the native 4K or HDR capabilities of later projectors.
help Optoma HD91+ FAQ
What resolution does the Optoma HD91+ project?
The Optoma HD91+ has a native Full HD resolution of 1920 by 1080 pixels. It uses single-chip DLP imaging and an LED light source for dedicated home-cinema use.
Does the Optoma HD91+ use a replaceable lamp?
No, the HD91+ uses an LED light source rather than a conventional replaceable projection lamp. That is one of its main hardware differences from older lamp-based home-theater projectors.
Can the Optoma HD91+ display 3D movies?
The projector supports compatible 3D content. The source device, signal format, glasses, and other required equipment must also be compatible for 3D playback to work.
Is the Optoma HD91+ a 4K projector?
No. Its native resolution is Full HD at 1920 by 1080, so it is not a native 4K projector. It belongs to an earlier class of dedicated home-cinema projectors that used DLP and LED illumination.
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