projector focus - 4KProjectorGuide

Troubleshooting

Blurry Projector Image: How to Sharpen Focus and Adjust Lens

focus adjust lens properly

I’ll guide you through simple steps to sharpen your blurry projector image and improve your viewing experience.

4KProjectorGuide Team
November 28, 2025

avoiding common installation errors

Troubleshooting

Field Notes: Common Projector Mistakes Installers See and How to Avoid Them

An essential guide to common projector mistakes installers see and how to avoid…

4KProjectorGuide Team
February 4, 2026

wireless hdmi hidden costs

Audio & Integration

Hidden Costs of Wireless HDMI (And How to Maintain Quality & Sync)

Keeping your wireless HDMI setup reliable involves hidden costs; discover how to…

4KProjectorGuide Team
February 4, 2026

ceiling mounting short throw

Throw & Placement

FAQ: Can You Ceiling Mount a Short Throw or UST Projector?

Sure, ceiling mounting a short throw or UST projector is possible, but understanding…

4KProjectorGuide Team
February 3, 2026

top subwoofer hum isolators

Vetted

14 Best Ground Loop Isolators for Subwoofer Hum in 2026

Optimize your audio setup with the 14 best ground loop isolators for subwoofer hum in…

4KProjectorGuide Team
February 3, 2026