The Monster beats solo carry quite a hefty price tag, but according to Dr. Dre, without them, "People aren't hearing all the music." These Monster headphones are the epitome of excellence headphone sound quality. There are both in-ear and over-ear styles in the monster headphones lineup, and both have received rave reviews. But why are the Monster Beats so much better than standard headphones? The answer, it seems, is all in the sound quality.There are many times when standard, cheap quality headphones just aren't allowing you to hear the music the way the artists intended. This is where the Monster Beats Headphones claim to fame comes in. The over-ear headphone design comes in three models: pro, studio, and solo. They are priced at $449.95, $349.95, and $199.95 respectively. The in-ear design comes in quite a few designs, one of the most popular being the tour model, priced at $189.95. Whether in-ear or over-ear, both styles boast some quite amazing specs.The over-ear Monster Beats Headphones are said to "allow you to hear the result of all of the fine tuning that artists do while recording". Basically, they are said to be able to produce sounds with frequencies that cheap dr dre headset have trouble with. The over-ear headphones also incorporate sound-isolation technology. This feature really helps the listener focus in on the music instead of outside distractions like a crying baby sitting a few rows over on a bus. On the Monster Headphones website, the Studio over-ear design has received an average 4.5/5 star review, attesting to their quality.