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Audiobot Notes
Peak SPL

115.1 dB

This was approximated from the source output at 32 Ω

Damping factor 300.0
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
Current $489.99
Highest $700.00
Lowest $489.99
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Output Impedance 0.5 Ω
Power Output 400 mW at 32 Ω
Frequency Range 1 - 500,000 Hz
Portable
Price History
Current $373.50
Highest $2,717.72
Lowest $373.50
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