Skullcandy Skullcrusher NCAA School Headphones:
If a shock-and-awe level of bass has been missing from your life, look no further. Stereo speakers PLUS mini-sub woofers in each ear of the Skullcandy Skullcrusher Stereo Headphones let you take the club with you on the road. Those pesky voices in your head will never know what hit 'em!

• 30mm neodymium magnet speaker
• 30mm vibration speaker
• Vibration unit: 100hz
• Frequency response: 20-20K Hz
• Impedance: 32ohm
• Sensitivity: 99db
• Gold plated: 3.5mm stereo plug & 6.3mm adapter
• In-line vibration level adjustment and on/off switch
• Cord length 1.5m