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Audiobot Notes
Peak SPL

112.0 dB

This was approximated from the source output at 300 Ω

Damping factor 1.3
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 $499.95
Highest $700.00
Lowest $499.95
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Bottlehead Crack OTL
Type Tube
Output Impedance 120.0 Ω
Power Output 333 mW at 300 Ω
Frequency Range 10 - 50,000 Hz
Portable
Price History
Current $279.00
Highest $279.00
Lowest
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