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Audiobot Notes
Peak SPL

113.4 dB

This was approximated from the source output at 32 Ω

Damping factor 750.0
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 7 hours ago
Current $424.57
Highest $700.00
Lowest $424.57
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Output Impedance 0.2 Ω
Power Output 270 mW at 32 Ω
450 mW at 16 Ω
Frequency Range 20 - 20,000 Hz
Portable
Price History
Current $59.99
Highest $99.99
Lowest $59.99
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