Hey Reader, Your home theater speaks its own language. Not the powerful bass or clear dialogue you expect, but the sounds in between. The hums, crackles, and noises you notice briefly before assuming they're normal. Most of the time, they're not. Here are 5 sounds your system should never make, and what they could be telling you. 1. Low Hum A constant electrical hum is usually a ground loop, two devices conflicting on the same power source. It’s a common home theater issue and often fixed...