Gear, audio & video

Can you use coaxial cable as speaker wire?

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Coaxial cable and speaker wire look like they could do the same job, but they are designed for different signals. Coax carries low-power, high-frequency signals, such as TV, internet or digital audio. Speaker wire carries high-power, low-frequency current from an amplifier to the speakers. You can use coax as speaker wire in a pinch, but … Read more

Portable green screen: how to choose and light one

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A portable green screen is a collapsible backdrop in a bright, even green. Software replaces that color with any background you want, an effect called chroma keying. Streamers, remote workers and YouTubers use them because they give a cleaner result than the blurry virtual backgrounds built into video apps. The main types Pop-up panels. A … Read more