Ultrasone PRO 650 Surround Sound Stereo Headphones

* S-Logic Natural Surround Sound
* Dynamic principle
* Frequency range: 10-25,000Hz
* Impedance 75 ohms
* Sound pressure level: 95dB
* MU Metal bufferboard, reduced field emissions in accordance with ULE (=Ultra Low Emission) standard
* Driver: 40 mm gold-plated
* Weight: 295 g (without cord)
* Long-term availability of spare part