Features:

Fazor waveguide technology for low distortion and precise sonic imaging
Tuned for warm, rich tonality with deep, punchy low end performance
Hand-finished Caribbean rosewood rings
More comfortable than ever with ventilated suspension headband and updated earpads

Specifications:
 
Style: Over-ear, open-back
Transducer type: Planar magnetic
Magnetic structure: Proprietary magnet array
Phase management: Fazor
Magnet type: Neodymium N50
Diaphragm type: Ultra-thin
Transducer size: 106 mm
Maximum power handling: 5W RMS
Maximum SPL: >130dB
Frequency response: 10Hz - 50kHz
THD: <0.1% @ 100dB
Impedance: 70 ohms
Sensitivity: 101 dB/1mW (at Drum Reference Point)
Minimum power requirement: >100mW
Recommended power level: >250mW
Weight: 595g