• DRD® 3D surround technology enhances bass and dynamic range
• Comfortable long time wear with velvet ear pad and leather headband
• Swivel ear pad fits easy to any head angle
• Powerful bass and lively acoustics great for any DVD, TV, and Hi-Fi studio
• Frequency response 20Hz~25KHz
• Impendence 32ohm +/- 20%
• Sensitivity 115dB +/- 3dB@1KHz
• Cable length Two meter + two meter extension cable
• Interface 3.5 Ø mm/6.3 Ø mm/RCA
• Two AAA alkaline batteries