Used Pioneer SE-MS5T Closed Over-Ears for $36

The Pioneer SE-MS5T closed-back over-ear headphones go for around $50 in three of the four colors available, but if you are comfortable with used, USED prices start at $36~ in the black color scheme, and $39~ in the brown color scheme through Amazon Warehouse Deals.

The link above shows you the lowest prices per color scheme. If you want to see the detailed listings of each color, click on the “See all offers for this product” next to the name of each color. Screenshot example below: