State-of-the-art Planar Magnetic headphone
HE-500 headphones are much higher efficiency than HE-6. Customers can use regular headphone amplifiers to drive HE-500.
Freqency Response: 15 to 50 KHz
Impedence: 38 Ohm
Efficiency: 89 DB
Weight: 502 g
Silver headphone cable (3 meter or 10 Feet)
1 pair of velour ear pads and 1 pair of leather ear pads