Marshall Major headphones audio SPL d B test + quick review

Marshall Major professional headphones audio SPL dB test on mobile phone device HTC Desire. Very nice build quality, nice look un good sound, only have one cons, what is not so excellent comfort. MY REVIEW: Price, performance: 7 Comfort: 6 Cable quality: 8 Build quality: 8 Low frequency: 8 Mid frequency: 7 High frequency: 7 Total points: 7 FREQUENCY TEST: 50Hz 150Hz 450Hz 900Hz Spec Major headphones: TRANSDUCER