I have a Presonus Firebox audio interface, take a look at the headphone volume scale. I suspect it's capable of destroying low impedance headphones at even lowe

I have a Presonus Firebox audio interface, take a look at the headphone volume scale. I suspect it's capable of destroying low impedance headphones at even lower settings. http://www.presonus.com/products/detail.aspx?productid=4 http://www.presonus.com/products/detail.aspx?productid=4