... . Suits for all audio 5.CE.FCC.ROHS.6P D-9011 Bar DJ Rock Music DJ studio headphones headphone case DJ ... : NoProductProduct ImagesProduct Specs (Size, material, weight, packaging, design, etc ) 1D-9011 Driver unit: 2 ×40mm speakerFrequency response: 20-20KHzImpedance (+/- 10%): 32ohmsSensitivity ...