Beyerdynamic DT990 Pro

stdClass Object
(
    [noteCount] => 3
    [globalNote] => 4.5
    [detailNote1] => stdClass Object
        (
            [question1] => Sound Quality
            [note1] => 4.85
        )

    [detailNote2] => stdClass Object
        (
            [question2] => Quality of manufacture
            [note2] => 4.7
        )

    [detailNote3] => stdClass Object
        (
            [question3] => Isolated from outside noise
            [note3] => 4.4705882352941
        )

    [detailNote4] => stdClass Object
        (
            [question4] => 
            [note4] => 0
        )

    [detailNote5] => stdClass Object
        (
            [question5] => 
            [note5] => 0
        )

)

• Sound Quality
• Quality of manufacture
• Isolated from outside noise