S1 and S2 are the normal heart sounds you hear when the heart valves close. Heart murmurs are extra sounds that can be heard during systole, diastole, or as a continuous sound. S3 and S4 are abnormal ...

What causes a split S1 heart sound and/or a widened split S1 heart sound? The first heart sound results from the closing of the mitral and tricuspid valves. The sound produced by the closure of the ...

We’ve had the chance to look at a few pairs of Monster headphones recently, but headphones aren’t the only thing that Monster has going on these days. They’ve recently released the Monster Soundstage ...

With the Magnify Mini, you get great sound out of a small package. So when Polk announced its first home theater sound bar under $200 at CES in Las Vegas, Nevada we were excited to see what they had ...

TV and home video editor Ty Pendlebury joined CNET Australia in 2006, and moved to New York City to be a part of CNET in 2011. He tests, reviews and writes about the latest TVs and audio equipment.

For anyone who relies on headphones to get through the daily grind, there is a familiar and frustrating cycle. You buy a pair ...