Beyerdynamic M160

stdClass Object
(
    [noteCount] => 1
    [globalNote] => 4.0
    [detailNote1] => stdClass Object
        (
            [question1] => Sound quality 
            [note1] => 0
        )

    [detailNote2] => stdClass Object
        (
            [question2] => Manufacturing quality 
            [note2] => 0
        )

    [detailNote3] => stdClass Object
        (
            [question3] => 
            [note3] => 0
        )

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

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

)

• Sound quality
• Manufacturing quality