Beyerdynamic DT 770 PRO 250 Ohm Over-Ear Studio HeadphonesThe DT 770 PRO (250 ohms) is a closed dynamic headphone that is ideal for professional use as a monitoring headphone in studios or on the move. Nominal sound pressure level 96 dB.For years now, professional users all over the world have placed their trust in our classic range: DT 770/880/990 PRO. The studio reference headphone boasts extremely detailed resolution and very transparent sound.The DT 770 PRO is the closed studio headphone that boasts impressive sound volume.The DT 770 PRO headphones remain the top choice for music producers, sound technicians and broadcast users and are a firmly established piece of equipment in studios worldwide.Items Included With Your Purchase: Beyerdynamic DT 770 PRO 250 Ohm Studio Headphone Stanley 6 pack, 6 inch Hook & Loop Velcro Straps (Assorted Colors)USB Card ReaderGoby Labs Headphone Cleaner 4 fl oz