Used NEC NP-PX750U
Used NEC NP-PX750U is a widescreen professional installation projector offering flexible connectivity, integrated HQV video processing and advanced networking capabilities. Available second-hand, it supports stacking of up to four units for combined brightness up to 30,000 lumens. Scroll down to browse current used NP-PX750U listings from sellers worldwide.
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NEC NP-PX750U specifications
| Brand | NEC |
| Segment | Video |
About the NEC NP-PX750U
The NEC NP-PX750U is a widescreen professional installation projector built for flexibility and highly efficient networking. It features integrated HQV technology, a high-performance video processing and scaling system for computer signals and standard or high-definition video. The advanced input panel includes HDMI, DisplayPort and three computer inputs, while networking options cover integrated RJ45 and optional high-speed wireless LAN. The NP-PX750U was the first NEC projector to incorporate Open Pluggable Specification (OPS) technology, standardising option slots to simplify installation and maintenance. Stacking correction supports up to four projectors for a combined output of up to 30,000 lumens, and edge blending enables seamless multi-projector image blending. A complete range of six bayonet-style lenses with built-in lens memory, electronic zoom, focus and lens shift is available separately.
NEC NP-PX750U — buyer FAQs
What is the NEC NP-PX750U and what is it designed for?
The NEC NP-PX750U is a widescreen professional installation projector built for flexible, networked fixed installations. It supports HDMI, DisplayPort and three computer inputs for quick source switching, integrates HQV video processing for computer and HD or SD video signals, and includes RJ45 networking with optional wireless LAN. Automated features such as Auto Power On and direct power off are aimed at reducing setup complexity in professional environments.
How does projector stacking work on the NP-PX750U?
The NP-PX750U supports stacking correction for up to four units simultaneously. When stacked, the projectors combine their output to reach a total brightness of up to 30,000 lumens, which is useful in large venues where a single projector cannot deliver sufficient light output. Edge blending functionality also allows multiple projected images to be merged into a single seamless high-resolution image across a surface.
What is OPS technology on the NP-PX750U and why does it matter?
The NP-PX750U was the first NEC projector to incorporate Open Pluggable Specification (OPS) technology, an industry-wide standardisation of option slots. OPS simplifies installation, use and maintenance by providing a consistent interface for add-on cards. One example is an HD/SD SDI input card, which can be installed via the OPS slot to add SDI connectivity without external adapters.
Who makes the NP-PX750U and where does it sit in the NEC range?
The NP-PX750U is made by NEC, whose display business operates as Sharp NEC Display Solutions. NEC supplies professional visual technology across corporate, education, entertainment and other sectors, covering projectors, large-format displays and LED surfaces. The NP-PX750U sits in NEC's professional installation projector tier, distinguished by its OPS expansion slot, multi-projector stacking support and advanced networking, positioning it above general-purpose presentation projectors.
What should I check when buying a used NEC NP-PX750U?
Confirm which lens is included, as the six bayonet-style lenses are sold separately and the model is sometimes listed as a bundle with a specific lens variant. Check whether any OPS expansion card, such as an SDI input card, is fitted. Lamp hours are relevant to running costs on a lamp-based unit. Used listings on this page show individual configurations and condition details, and each purchase on 10K Used carries a 21-day warranty covering major functional faults; full terms are in the buying guide at 10kused.com/used-av-equipment-guide/.

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