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Audiobot Notes
Peak SPL

107.2 dB

This was approximated from the source output at 16 Ω

Damping factor 150.0
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 $475.69
Highest $700.00
Lowest $475.69
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iFi Audio Nano iDSD
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Output Impedance 1.0 Ω
Power Output 130 mW at 16 Ω
Portable
Price History
Current $199.00
Highest $263.99
Lowest $199.00
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