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Every speaker and headphone spec sheet includes a frequency response chart, and most shoppers skip right past it. That’s a shame, because it tells you more about how something will actually sound than any adjective on the box. The chart plots loudness (in decibels) against frequency (in Hertz), usually from 20Hz up to 20,000Hz — […]

Three radio standards, three very different trade-offs. Here’s the short version. AM travels furthest, especially at night, and is still the backbone of emergency broadcasting because it keeps working when other infrastructure doesn’t. Sound quality is the lowest of the three. FM sounds noticeably better than AM and covers most local stations, but range is […]

Not all Bluetooth audio sounds the same, and the codec your devices agree on is a big reason why. SBC is the mandatory baseline codec every Bluetooth audio device supports. It works everywhere but compresses hardest, which can soften detail. AAC is the default on Apple devices and generally sounds better than SBC at similar […]