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Audiobot Notes
Peak SPL

114.6 dB

Damping factor 500.0
Sennheiser HD 660 S
Sennheiser HD 660 S
Impedance 150 Ω
Efficiency 95.8 dB SPL/mW
Frequency Response 10 - 41,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling Over-ear
Weight 260 g
Price History
updated about 13 hours ago
Current $424.99
Highest $700.00
Lowest $424.99
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Output Impedance 0.3 Ω
Power Output 75 mW at 150 Ω
190 mW at 32 Ω
Frequency Range 20 - 20,000 Hz
Portable
Price History
Current $79.99
Highest $124.39
Lowest $79.99
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