Philips Fidelio X2

Sennheiser HD 660 S

Manufacturer: Philips Sennheiser
Model: Fidelio X2 HD 660 S
Popularity:
Impedance: 35 Ω 150 Ω
Efficiency: 96.5 dB SPL/mW 95.8 dB SPL/mW
Frequency Response: 5 - 40,000 Hz 10 - 41,000 Hz
Transducer Type: Dynamic Dynamic
Operating Principle: Open Open
Ear Coupling: Over-ear Over-ear
Weight: 380 g 260 g
Discontinued:
Current Price: $159.99 $475.69