So I'm confused about Sennheiser HD429S vs Sennheiser HD215 vs Skullcandy crushers . Now before everyone gets mad because I'm comparing the quality to the fashion : I want to say that I feel the crushers are an exception . I usually listen to vocal dubstep / dubstep / trance / techno / vocal trance& techno and some Romanian pop music "which are very close to vocal trance or techno" . I really love the bass that comes along with my favorite taste of music. I find the crushers the ideal choice for bass response "because they produce real vibrates not only fake bass" but I have some concerns about sq . Some people say it's you who decides the sq because the crushers has a bass level control and of course overwhelming in bass level will damage the sq . On the other hand I'm not sure about the bass performance in Sennheiser HD429S & Sennheiser HD215 but for sure they easily beat the crushers in sq. I currently prefer the crushers , but I'm afraid that their sq will be very ****ty compared to the Sennheisers . I'm seeking for someone who tried the crushers to tell me if they really sound like $5 headphones or worth it ?