The rise of the soundbar has made it easier than ever to upgrade the audio for any TV, new or old. I’ve been testing home theater gear for many years, and can’t imagine setting up a TV without one.

Tip 6: Use shielded cables. Unshielded cables used to hook up the microphone to a mixer can introduce noise and RF interference to the recording. Also, keep cables away from power cords, which can ...

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